Threaded Caps, Grips, and Closures

Description

Threaded caps, grips, and closures are designed to protect and seal the ends of tubes, hoses, and fittings. They provide a secure closure by threading onto the component, ensuring that the contents are contained and protected from external elements. These components are often used to prevent contamination, leakage, and damage to the threads of the components they cover.

Working Principle

Threaded caps and closures work by engaging with the threads of the component they are designed to protect. The threading mechanism allows for a tight and secure fit, which is essential for maintaining the integrity of the seal. This design is particularly useful because it provides a reliable method of sealing that can withstand various environmental conditions, including pressure changes and exposure to different substances. The threaded design also facilitates easy installation and removal, making them a practical choice for applications requiring frequent access.

Applications

Threaded caps and closures are commonly used in hydraulic systems to protect hose fittings from damage and contamination. They are also employed in the medical industry, where vented caps allow for air flow during gas sterilization processes. Additionally, they are used in the automotive and aerospace industries to protect threaded components during assembly and transit.

Advantages over other Caps, Grips, and Closures

Threaded caps offer several advantages over other types of closures. For instance, their threaded design provides a more secure and reliable seal compared to press-on or snap-fit closures, which may not hold as firmly under pressure. The ability to easily install and remove threaded caps without specialized tools also makes them more convenient for applications that require frequent access to the sealed component.

Limitations

One limitation of threaded caps is that they may not be suitable for applications requiring a completely tamper-proof seal, as they can be easily removed by anyone with access to the component. Additionally, threaded caps may not provide the same level of protection against extreme environmental conditions as some specialized closures, such as those designed for high-pressure or high-temperature applications.

Considerations

When selecting threaded caps and closures, it is important to consider factors such as initial costs, operating expenses, and durability. Threaded caps are generally cost-effective and durable, but the specific material and design should be chosen based on the application's environmental conditions and the level of protection required. Maintenance and replacement costs should also be considered, as frequent removal and reinstallation can lead to wear and tear on the threads, potentially necessitating more frequent replacements.

98 Results
Milvent M8 and M10 Metal Cap Vent,Brether Plugs,Low Profile Vents Plug,Metal Screw-In Cap Vent Plug -- MIV-08MCV
from Shenzhen Milvent Technology Co., Limited

Milvent M8 and M10 Metal Cap Vent, Breather Plugs, Low Profile Vents Plug, Metal Screw-In Cap Vent Plug. Metal Cap Breather Plug. Thread: M8x1.25. Waterproof, IP66, IP67, IP68. Breather able. Application: Lighting, Solar, Telecom, Automotive, Agriculture. WIFI GPS. etc. Performance: · Pressure... [See More]

  • Shape / Application: Screw Cap or Plug
  • NPT Thread: 1 1/4" NPT (M8x1.25)
  • Features: Threaded
  • Material: Brass in Nickel Plate
5-Axis Chip Plugs -- 5PL12002
from Jergens, Inc.

Jergens 5-Axis Chip Plugs keep chips and shavings from clogging or damaging unused holes in plates in milling machines. Features, Benefits, & Product Specifications: Material: Brass. O-Ring included [See More]

  • Shape / Application: Round
  • Straight Thread: M12 x 1.75
  • Features: Threaded
  • Material: Brass
1 1/2 in. NPSH Size Brass Cap with Chain|Master File -- BCAP-24SH
from Kuriyama of America, Inc.

FEATURES AND ADVANTAGES. Designed for use in connection of hoses, nozzles, hydrants, pipes, or other fittings using NST, NPSH, or GHT threads. Made of heavy-duty brass material. Brass adapters are more durable and heat resistant than aluminum adapters. MATERIAL SPECIFICATIONS. Brass ASTM B584, Grade... [See More]

  • Features: Threaded
  • Material: Brass
Bolt Nut Caps Domed -- BNCD.190
from MOCAP LLC

Material: LDPE (Low Density Polyethylene). Stocked Material: LDPE (Black). Finish and Protect Nut and Bolt Threads. Durable. UV Stabilized Material [See More]

  • Features: Threaded
  • Material: Polyethylene (PE)
ASC Series - Threaded Aluminum Caps for Threaded Flared Fittings
from Arizona Sealing Devices, Inc.

A standard aerospace and fluid power protective cap, the Series ASC has a nose section design that forms a low pressure seal on threaded, flared fittings. A more positive seal is possible with the addition of a sealing disc (Series ASC-DN). Stock sealing discs are neoprene; Butyl or Buna N rubber... [See More]

  • Shape / Application: Round; Screw Cap or Plug
  • NPT Thread: 1/2" NPT
  • Features: Threaded
  • Material: Aluminum
American Standard Pipe Caps (12-Thread) -- PCAS-1080
from Caplugs

The PCAS series pipe caps are designed to fit ASTM-A 120 standard schedule 40 pipe. The caps protect the longer thread form associated with piping used in water wells and irrigation. An interrupted bead assures the cap is locked in place. ASTM-A 120 Standard. Schedule 40 Pipe. Protects Threads. [See More]

  • Features: Threaded
  • Material: Polyethylene (PE)
Oversized Silicone Caps -- OSC
from Custom Fabricating & Supplies

Product Features. Temperature Rating: 600 ° F / 315 ° C. Ideal for longer or wider threaded and non-threaded studs for ease in placement and removal. Internal ridge provides tight seal. Can be vented to eliminate movement from pressure build-up. Used in Powder Coating, E-Coating, Wet... [See More]

  • Features: Threaded
  • Material: Rubber - Silicone; Silicone
  • Straight Thread: 6-32, 8-32, M3.5, M4
Special Sealing Plug
from ZAGO Manufacturing Company, Inc.

ZAGO offers clients a wide variety of custom services. Our cutting-edge machine shop has the capacity to rapidly produce specialty orders in small or large quantities. Our team is dedicated to producing the best products available that fit your exact specifications. ZAGO offers: Machine Parts... [See More]

  • Shape / Application: Hex Cap
  • Features: Threaded
Pipe Locks
from McGard Special Products Division

Now you can secure pipe shut-offs reliably and quickly with The Intimidator Pipe Lock. The Pipe Lock prevents unauthorized siphoning of oil and gas from wells, remote storage tanks, and other containment areas. It is also adaptable for use with water storage tanks. Each Pipe Lock is constructed of a... [See More]

  • Shape / Application: Round; Pipe Lock
  • Features: Threaded
EPDM Rubber Caps -- MEC.070-1
from MOCAP LLC

Material: EPDM (Ethylene Propylene Diene Monomer). Flexible for Masking Threaded and Smooth Studs [See More]

  • Features: Threaded
Moss Series - Metric Threaded Caps
from Arizona Sealing Devices, Inc.

Features: Protects threaded components from dust, moisture, and damage during production, storage and shipment. Designed with an easy to grip head for ease of the hand installation. [See More]

  • Shape / Application: Round; Screw Cap or Plug
  • NPT Thread: (M8 x 1)
  • Features: Threaded
  • Material: Polyethylene (PE)
Caps for Threaded Connectors -- EC-10
from Caplugs

The EC Series caps fit 36- and 68- pin Champ 050 series connectors and 50-pin Champ-type connectors. Designed for easy application and removal in areas not readily accessible. Can be installed over threads or cylindrical surfaces. Material: Low-Density Polyethylene. Standard Color: Red. For other... [See More]

  • Features: Threaded
  • Material: Polyethylene (PE)
Silicone Caps -- SC
from Custom Fabricating & Supplies

Product Features. Temperature Rating: 600 ° F / 315 ° C. Recommended for masking studs, pems and tube ends. Used in Powder Coating, E-Coating, Wet Painting, Anodizing and Plating. Can be inverted as a plug. Flexible material allows cap to conform to irregular shapes. Rounded top makes... [See More]

  • Features: Threaded
  • Material: Rubber - Silicone; Silicone
  • Straight Thread: M39
Flanged Plastic Caps for BSP and NPT Threads -- FCB0125
from MOCAP LLC

Material: LDPE (Low Density Polyethylene) (Natural). Flanged for Easy Removal. Use as Thread Protector or End Cap [See More]

  • Features: Threaded; Flange
  • Material: Polyethylene (PE)
  • BSP Thread: (1/8)
Caps for Threaded Connectors -- RC-10
from Caplugs

Originated for the automotive and air conditioning industries, the RC Series caps are suitable for a multitude of applications. They can be installed to fit threaded or smooth cylindrical surfaces. Straight cap. Fits thread or smooth connection ends. Material: Low-density polyethylene. Standard... [See More]

  • Features: Threaded
  • Material: Polyethylene (PE)
Silicone Flange Caps -- FC
from Custom Fabricating & Supplies

Product Features. Temperature Rating: 600 ° F / 315 ° C. Recommended for masking studs and pems with a perimeter for grounding. Used in Powder Coating, E-Coating, Wet Painting, Anodizing and Plating. Can be inverted as a plug. Flexible material allows cap to conform to irregular shapes. [See More]

  • Features: Threaded; Flange
  • Material: Rubber - Silicone; Silicone
  • Straight Thread: 10-24, M5
Flanged Plastic Caps for Metric Threads -- FCM-10
from MOCAP LLC

Material: LDPE (Low Density Polyethylene) (Natural). Flanged for Easy Removal. Use as Thread Protector or End Cap [See More]

  • Features: Threaded; Flange
  • Material: Polyethylene (PE)
Conductive Caps for Threaded Connectors -- CEC-04
from Caplugs

CEC series conductive caps are for all common sizes of threaded electrical and electronic connectors. Also suitable for protecting non-threaded bayonet type connectors. In addition to dissipating electrostatic charges, they provide an electrical shield over the end of the connector. Meet specs MS/AS... [See More]

  • Features: Threaded
  • Material: Polyethylene (PE)
Flanged Plastic Caps for Standard Straight Threads -- FCS.313L
from MOCAP LLC

Material: LDPE (Low Density Polyethylene) (Natural). Flanged for Easy Removal. Use as Thread Protector or End Cap [See More]

  • Features: Threaded; Flange
  • Material: Polyethylene (PE)
Cylinder Valve Threaded Cap -- BC-01
from Caplugs

BC Series cylinder valve threaded caps protect SCBA bottle valve threads during transit and storage. Protect valve threads from impact damage, contaminants and moisture. Large knurled head can be easily removed or applied while wearing gloves. Material: Low-Density Polyethylene. Standard Color:... [See More]

  • Features: Threaded
  • Material: Polyethylene (PE)
Long Flanged Caps for Straight Threads -- FCSL.313
from MOCAP LLC

Material: LDPE (Low Density Polyethylene) (Red). Flanged for Easy Removal. Use as Thread Protector or End Cap [See More]

  • Features: Threaded; Flange
  • Material: Polyethylene (PE)
Flareless Union Fitting Caps -- FUF-10
from Caplugs

Caplugs Flareless Union Fitting Caps (FUF Series) are designed to protect tube fittings in high vibration hydraulic systems typically found in aerospace and military aviation applications. Designed to firmly seal any MS or AS flareless union fitting, this protective cap protects hydraulic parts and... [See More]

  • Features: Threaded
  • Material: Polyethylene (PE)
Pipe Caps -- PC100
from MOCAP LLC

Material: LDPE (Low Density Polyethylene). Stocked Material: LDPE (Black). Designed to Protect Metric, BSP and NPT Male Pipe Threads from Damage and Debris [See More]

  • Features: Threaded
  • Material: Polyethylene (PE)
Flexible Tear-Tab Caps -- TUV-10
from Caplugs

TUV Series flexible tear-tab caps are highly flexible caps that allow for a snug fit on a range of differently sized and odd shaped fittings. The flexibility the TUV series offers allows the caps to be pushed on, and the tear-tab design ensures ease of removal regardless of how tight fitting the cap... [See More]

  • Features: Threaded
  • Material: Vinyl
  • NPT Thread: (7/8)
Threaded Caps and Plugs -- G5400 [G5400 from Heyco Products, Inc.]
from bisco industries

Threaded Caps and Plugs [See More]

  • Features: Threaded
  • Material: Nylon; Nylon 6/6
Round Vinyl Plastic Caps -- RVC9001
from MOCAP LLC

Material: Vinyl. Flexible Yet Durable - Won't Split, Tear or Shred. Printable. Use as Thread Protector or End Cap [See More]

  • Features: Threaded; Tear-tab
  • Material: Ethyl Vinyl Acetate (EVA); Vinyl
Long-Threaded Connector Caps -- OF-10
from Caplugs

The OF series caps have six internal ribs that create a positive grip on the outer surface of the fittings nut. Three internal webs act as a positive stop and positioning feature, preventing movement, which could lead to contamination and damage to the fitting during installation. Caps for various... [See More]

  • Features: Threaded
  • Material: Polyethylene (PE)
Threaded Caps and Plugs -- G5431 [G5431 from Heyco Products, Inc.]
from bisco industries

Threaded Caps and Plugs [See More]

  • Features: Threaded
  • Material: Polyethylene (PE); HDPE
Silicone Rubber Caps -- MSC.070-1
from MOCAP LLC

Material: Silicone. Flexible for Masking Threaded and Smooth Studs [See More]

  • Features: Threaded
  • Material: Rubber - Silicone
Long-Threaded Connector Caps -- RCL-10
from Caplugs

RCL Series long-threaded connecter caps are ideal for protecting threaded or smooth cylindrical surfaces. Originally designed for use on hydraulic double threaded bulkhead fittings, they are especially suitable where greater longitudinal protection is required. Material: Low-density polyethylene. [See More]

  • Features: Threaded
  • Material: Polyethylene (PE)
Straight Plastic Caps with Knurled Top -- S.078-8
from MOCAP LLC

Material: LDPE (Low Density Polyethylene), TPE (Thermoplastic Elastomer). Stocked Material: LDPE (Natural), TPE (Yellow). General Purpose Outside Fitting Caps. Snug Fit for Threaded or Non-Threaded Tubes, Rods and Fittings. Knurled Flange for Additional Grip [See More]

  • Features: Threaded; Flange; Knurled
  • Material: Polyethylene (PE)
Non-Threaded NPT Caps -- EZC-12
from Caplugs

Designed to cap NPT fittings, the EZC series caps can also be used to protect a variety of items. It is a heavy-duty, tapered, multi-use cap with a flange for easy insertion and removal. NPT Tapered Design. Flange for easy installation and removal. Material: LDPE. Standard Color: Orange [See More]

  • Features: Threaded
  • Material: Polyethylene (PE)
Straight Plastic Caps with Plain Top -- S2.125-14
from MOCAP LLC

Material: LDPE (Low Density Polyethylene), TPE (Thermoplastic Elastomer). Stocked Material: LDPE (Red). General Purpose Outside Fitting Caps. Snug Fit for Threaded or Non-Threaded Tubes, Rods and Fittings [See More]

  • Features: Threaded
  • Material: Polyethylene (PE)
Plastic Caps for Threaded Pipe Ends -- CE-14
from Caplugs

CE Series plastic pipe caps are durable and protect against damage and debris. CE-309 through CE-326 feature an NPT Taper; all others have straight walls. Protects pipe ends. Keeps dirt and contaminants out of the pipe. 14 ",16 ",18 ",20 ",24 ",30 ",36 " & 42... [See More]

  • Features: Threaded
  • Material: Polyethylene (PE)
Tear Tab Plastic Caps for BSP Threads -- TCBSP0250
from MOCAP LLC

Material: LDPE (Low Density Polyethylene). Stocked Material: LDPE (Red). Secure Fit Until Removed by Pulling Tab and Breaking Seal. Use as Shipping Cap, End Cap or Thread Protector [See More]

  • Features: Threaded
  • Material: Polyethylene (PE)
  • BSP Thread: 1/4" BSP (1/4 - 19)
Push-On Metric Caps -- PM-10
from Caplugs

The PM Series caps are designed to protect and cap metric fittings. These durable caps have a flange for ease of installation and removal. Fits common metric thread sizes. Easy to use. Versatile design. Material: Low-density polyethylene. Standard Color: Yellow Tint. Optional Color: Natural [See More]

  • Features: Threaded
  • Material: Polyethylene (PE)
Tear Tab Plastic Caps for Metric Threads -- TCM12
from MOCAP LLC

Material: LDPE (Low Density Polyethylene). Stocked Material: LDPE (Red). Secure Fit Until Removed by Pulling Tab and Breaking Seal. Use as Shipping Cap, End Cap or Thread Protector [See More]

  • Features: Threaded
  • Material: Polyethylene (PE)
Push-On NPT Caps -- PN-12
from Caplugs

The PN Series push-on caps are engineered to protect NPT fittings, yet versatile to be used on a variety of threaded or non-threaded fittings. Flanged top ensures quick and easy removal. For NPT fittings. Threaded or non-threaded. Flanged for easy installation and removal. Material: Low-density... [See More]

  • Features: Threaded
  • Material: Polyethylene (PE)
Tear Tab Plastic Caps for NPT Threads -- TCNPT0125
from MOCAP LLC

Material: LDPE (Low Density Polyethylene). Stocked Material: LDPE (Red). Secure Fit Until Removed by Pulling Tab and Breaking Seal. Use as Shipping Cap, End Cap or Thread Protector [See More]

  • Features: Threaded
  • Material: Polyethylene (PE)
  • NPT Thread: 1/8" NPT (1/8)
Push-On, Straight-Thread Caps -- PO-100
from Caplugs

The PO Series caps are designed to protect straight threads with or without O-rings, yet versatile to be used on a variety of threaded or non-threaded fittings. Protects straight threads. Versatile design. Covers a range of threads. Material: Low-density polyethylene. Standard Color: Natural [See More]

  • Features: Threaded
  • Material: Polyethylene (PE)
Tear Tab Plastic Caps for Straight Threads -- TCS0375
from MOCAP LLC

Material: LDPE (Low Density Polyethylene). Stocked Material: LDPE (Red). Secure Fit Until Removed by Pulling Tab and Breaking Seal. Use as Shipping Cap, End Cap or Thread Protector [See More]

  • Features: Threaded
  • Material: Polyethylene (PE)
Shipping Cap Protectors -- SCP-0500
from Caplugs

SCP Series protectors were developed as a packaging and shipping container cap to protect an exposed NPT fitting. Our wide and semi-rigid pinwheel design increases the surface area in contact with cardboard packaging, and is flexible enough to absorb the force at the point of impact, preventing... [See More]

  • Features: Threaded
  • Material: Polyethylene (PE)
Vinyl Hex Plastic Caps -- VHX9184
from MOCAP LLC

Material: Vinyl. Flexible Yet Durable - Won't Split, Tear or Shred. Use as Thread Protector or End Cap [See More]

  • Features: Threaded; Tear-tab
  • Material: Ethyl Vinyl Acetate (EVA); Vinyl
Sleeve Caps for Tube Ends -- PZC-1
from Caplugs

PZC Series sleeve caps for tube ends are designed to protect unified threads, but can be used on both threaded and non-threaded fittings as well. The flanged top allows for quick and easy removal. Can be used as a cap or plug. Material: Low-density polyethylene. Standard Color: Orange [See More]

  • Features: Threaded
  • Material: Polyethylene (PE)
Standard Duty Long Thread Well Casing Protectors -- CLT-4500-3000
from Caplugs

Pin End Open [See More]

  • Features: Threaded
  • Material: Polyethylene (PE)
Standard-Duty Thread Protection -- NSD-100-EU-CE-B
from Caplugs

1 " EUE CLOSED END BOX STD DUTY [See More]

  • Features: Threaded
  • Material: Polyethylene (PE)
Static Dissipative Caps for Threaded Connectors -- SEC-04
from Caplugs

Static Dissipative SEC Series Caplugs provide positive ESD and physical protection for all common sizes of threaded electrical and electronic connectors. Also suitable for protecting non-threaded bayonet type connectors. Material: Static Dissipative Polyethylene. Standard Color: Pink. *Please... [See More]

  • Features: Threaded
  • Material: Polyethylene (PE)
Tear-tab Caps for Metric Threads -- MJS-18
from Caplugs

The MJS series feature a tear-tab cap for straight metric threads. An extra-wide ribbed tab makes it easy to grab and tear off. Made in translucent gold making it possible to view an O-ring on the fitting. Metric straight threads. Translucent color. Easy to remove. Material: Low-density... [See More]

  • Features: Threaded
  • Material: Polyethylene (PE)
10SL Circular Conn. End Cap & Chain -- C90-25042-10SL
from Harwin Plc

External 5/8-24UNEF-2B thread size, use with 10SL shell size. Compatible with MIL-DTL-5015 (MIL-C-5015) Circular Connectors and RoHS compliant equivalent. Fitted with 101.6mm stainless steel chain. [See More]

  • Shape / Application: Round
  • NPT Thread: (5/8-24UNEF-2B)
  • Features: Threaded
700 Series Stand Up Tip Cap, Double Helix Threaded, Blue, (QTY=1000) -- 7015STC-1000
from Techcon

700 Series Stand Up Tip Cap, Double Helix Threaded, Blue. Designed with large flat bottom, the stand-up tip cap enables the syringe barrel to stand upright. Fits all syringe barrel sizes, made from polypropylene. Sold in packs of 1000 and bulk packages [See More]

  • Shape / Application: Round
  • Material: Polyethylene (PE)
  • Features: Threaded
ASC Series (Threaded Aluminum Caps for Threaded Flared Fittings) -- ASC-10
from Daemar Inc.

A standard aerospace and fluid power protective cap, the Series ASC has a nose section design that forms a low pressure seal on threaded, flared fittings. A more positive seal is possible with the addition of a sealing disc (Series ASC-DN). Stock sealing discs are neoprene; Butyl or Buna N rubber... [See More]

  • Features: Threaded
  • Material: Aluminum
Dual Key Micro-Link Closure Cap for external threaded plugs and receptacles, alum -- 75-0028
from Remke Industries

In the Tuff Link family of molded connectors & cordsets, customization means you can mix and match from our extensive selection of special materials, special hardware, special wiring, custom packaging, kitting and private labeling to develop the Molded Connector or Cordset that meets your... [See More]

  • Shape / Application: Round
  • Features: Threaded
CAP ONLY, Screw Top Micro Tube Cap, Grip Cap With Integrated O-Ring, Assorted, Non-sterile -- 230840A
from diaago

Available in various colors for easy identification and color-coding!. Features. High temperature resistivity range –shatter/crack resistant and ideal for boiling. Easy 3/4 turn to open and close. Sterile Assemblies packed in self-standing re-sealable bags offer a unique storage solution. [See More]

  • Shape / Application: Screw Cap or Plug
  • Features: Threaded
Cepure 13mm Vial Caps and Septa
from Pawling Engineered Products, Inc.

13-425 Thread Screw Cap. 13-425 screw thread caps, septa, and vials are designed for specific use with the Waters WISP 48-Position Autosampler. Vials are manufactured of Clear, Type 1 Class A or Amber, Type 1 Class B borosilicate glass and include a write-in patch for sample identification. Caps are... [See More]

  • Shape / Application: Round; Screw Cap or Plug
  • Diameter: 0.5118
  • Features: Threaded
  • Material: Aluminum; Septa available in Red PTFE/White Silicone (standard), Natural PTFE/Natural Silicone, Orange Natural Rubber/FEP, Orange Butyl/FEP
Threaded Protection Caps - BSP/Gas Threads -- 10204A
from Essentra Components

BSP/Gas Threaded Caps protect flared or flareless fittings against dirt, dents and moisture. Fewer thread forms require less rotation and the easy to grip head allows for efficient installation and removal. Red LDPE material is easily visible and resistant to chemicals. [See More]

  • Features: Threaded
  • Material: Polyethylene (PE); Low Density Polyethylene
Cepure 10mm Vial Caps and Septa
from Trelleborg Sealing Solutions Americas

10-425 Thread Screw Cap. 10-425 screw thread caps, septa and vials provide a wider opening to reduce potential needle bending/breaking during sampling. Vials are manufactured of Clear, Type 1 Class A or Amber, Type 1 Class B borosilicate glass and include a write-in patch for sample identification. [See More]

  • Shape / Application: Round; Screw Cap or Plug
  • Diameter: 0.3937
  • Features: Threaded
  • Material: Aluminum; Septa available in Red PTFE/White Silicone (standard), Natural PTFE/Natural Silicone, Orange Natural Rubber/FEP, Orange Butyl/FEP
Adapter Body PEEK Bottle Cap, 6-32 Port -- P-600
from IDEX Health & Science

PEEK Bottle Cap Adapter offers a design that allow you to just insert it into a tubing cap hole then connect to the tubing. The P-600 has a 6-32 port configuration. It is used with our F-126 or F-126H fittings. natural color PEEK Bottle Cap Adapter is for use with 1/32"OD Tubing. [See More]

  • Shape / Application: Round
  • NPT Thread: (1/32)
  • Features: Threaded
  • Material: Polyetheretherketon (PEEK)
Aluminum Threaded Plug with Finger Grip -- GN 441
from J. W. Winco, Inc.

GN 441 threaded plugs have an external diameter d1 matching the screw-in holes for DIN 3852 pipe bolt connections. The seal is embedded in a radial recess on the plane side, which makes the seal captive, so it cannot be squeezed out during tightening. The seal is also relatively soft, enhancing the... [See More]

  • Shape / Application: Round
  • Material: Aluminum
  • Features: Threaded
Casing Protector -- EUE Style
from Hi-Tech Seals, Inc.

Casing protectors are designed to protect the endings of pipe. These casings are a small price to pay to avoid expensive machining costs to repair broken ends. Our casing protectors are designed to be light weight, easy to install and are 100% recyclable. [See More]

  • Shape / Application: Round
  • Features: Threaded
FS Series -- FS-4
from Polymer Molding, Inc.

Designed to fit female O-ring. face-seal fittings. Typical wall thickness: .032. Color: Blue. Material: Low Density Polyethylene. LDPE service temperature: 150 ° F (66 ° C). RoHS Compliant [See More]

  • Shape / Application: Round; Friction Fit Face Seal Cap
  • Straight Thread: 9/16" - 18
  • Features: Threaded; Flange
  • Diameter: 0.7650
10SL Circular Conn. End Cap & Chain -- C90-25043-10SL
from Harwin Plc

Internal 5/8-24UNEF-2B thread size, use with 10SL shell size. Compatible with MIL-DTL-5015 (MIL-C-5015) Circular Connectors and RoHS compliant equivalent. Fitted with 101.6mm stainless steel chain. [See More]

  • Shape / Application: Round
  • NPT Thread: (5/8-24UNEF-2B)
  • Features: Threaded
Caps-Threaded > CD-M Series > CD-M Series Disc Springs -- CD-M-12X1.5
from Daemar Inc.

Ideal for the automotive, hydraulics and electronics industries, the caps are designed using a rolled thread formation for fast production cycle times. The CD-M Series offers low-cost protection with customizable options. The caps can be ordered in high-density materials for further protection, and... [See More]

  • Features: Threaded
Dual Key Micro-Link Closure Cap for internal threaded plugs and receptacles, alum -- 75-0027
from Remke Industries

TUFF-SEAL ™ ENGINEERED SOLUTIONS ARE SECOND TO NONE. In the Tuff-Seal family of Cord Connectors & Wire Mesh Grips customization means you can mix and match from our extensive selection of special materials, wire mesh, components, threading, custom packaging, kitting and private labeling to... [See More]

  • Shape / Application: Round
  • Features: Threaded
CAP ONLY, Screw Top Micro Tube Cap, O-Ring, Opaque, Assorted Colors, Non-sterile -- 230841A
from diaago

Features. High temperature resistivity range –shatter/crack resistant and ideal for boiling. Easy 3/4 turn to open and close. Sterile Assemblies packed in self-standing re-sealable bags offer a unique storage solution. Translucent and Opaque Cap O-rings ensure leak-proof seal, and are a highly... [See More]

  • Shape / Application: Screw Cap or Plug
  • Features: Threaded
Cepure 9mm Vial Caps and Septa
from Pawling Engineered Products, Inc.

9mm Screw Cap. 9mm screw thread caps, septa, and vials are designed especially for use with Agilent's and other rotating or robotic arm samplers. 2ml, 12X32mm vials are manufactured of Clear, Type 1 Class A or Amber, Type 1 Class B borosilicate glass and include a write-in patch for sample... [See More]

  • Shape / Application: Round; Screw Cap or Plug
  • Diameter: 0.3543
  • Features: Threaded
  • Material: Aluminum; Septa available in Red PTFE/White Silicone (standard), Natural PTFE/Natural Silicone, Orange Natural Rubber/FEP, Orange Butyl/FEP
Threaded Protection Caps - Metric Threads -- 12108A
from Essentra Components

Metric Threaded Caps protect flared or flareless fittings against dirt, dents and moisture. Fewer thread forms require less rotation and the easy to grip head allows for efficient installation and removal. Red LDPE material is easily visible and resistant to chemicals. [See More]

  • Features: Threaded
  • Material: Polyethylene (PE); Low Density Polyethylene
Cepure 8mm Vial Caps and Septa
from Trelleborg Sealing Solutions Americas

8-425 Thread Screw Cap. 8-425 screw thread caps and vials are often used in conjunction with Shimadzu, Spectra-Physics, Varian, and other autosamplers. Vials are manufactured of Clear, Type 1 Class A or Amber, Type 1 Class B borosilicate glass and include a write-in patch for sample identification. [See More]

  • Shape / Application: Round; Screw Cap or Plug
  • Diameter: 0.3150
  • Features: Threaded
  • Material: Aluminum; Septa available in Red PTFE/White Silicone (standard), Natural PTFE/Natural Silicone, Orange Natural Rubber/FEP, Orange Butyl/FEP
Tefzel™ (ETFE) Cap 1/16" Male Nut Black -- P-754BLK
from IDEX Health & Science

Our Tefzel (ETFE) Cap is designed to effectively cap and seal off tubing. Tefzel (ETFE) features a higher temperature threshold, increased strength, and lower gas permeability. It is designed for 10-32 Coned Ports and has a Standard Knurl head style. Our cap is yellow and is also available in black. [See More]

  • Shape / Application: Round
  • Material: Genuine Tefzel™ ETFE Resin
  • Features: Threaded; Knurled
Aluminum Threaded Plug with Finger Grip -- GN 442
from J. W. Winco, Inc.

GN 442 threaded plugs have an external diameter d1 matching the screw-in holes for DIN 3852 pipe bolt connections. The seal is embedded in a radial recess on the plane side, which makes the seal captive, so it cannot be squeezed out during tightening. The seal is also relatively soft, enhancing the... [See More]

  • Shape / Application: Round
  • Material: Aluminum
  • Features: Threaded
Tool Joint Protector -- IF Style
from Hi-Tech Seals, Inc.

End Protectors are used to protect the pipe threads for tool joints of downhole tools, during shipping and storage. The distinct styles are selected based on the type of tool or threading involved. Tool joint protectors are designed for API threads. [See More]

  • Shape / Application: Round
  • Features: Threaded; Tapered
SC Series -- SC-1
from Polymer Molding, Inc.

SC Series Caps are manufactured with internal threads to provide a positive snap fit. Part can be threaded or pressed on. Typical wall thickness: .032. Color: Blue. Material: Low Density Polyethylene. LDPE service temperature: 150 ° F (66 ° C). Applicable specs: MIL-C-52078, MIL-C-5501/3R,... [See More]

  • Shape / Application: Round
  • Straight Thread: 3/8" - 24
  • Features: Threaded; Knurled
  • Diameter: 0.3750
14S Circular Conn. End Cap & Chain -- C90-25042-14S
from Harwin Plc

External 7/8-24UNEF-2B thread size, use with 14S shell size. Compatible with MIL-DTL-5015 (MIL-C-5015) Circular Connectors and RoHS compliant equivalent. Fitted with 114.3mm stainless steel chain. [See More]

  • Shape / Application: Round
  • NPT Thread: (7/8-24UNEF-2B)
  • Features: Threaded
CD Series (Threaded Plastic Caps for Flared JIC Fittings) -- CD-10
from Daemar Inc.

Knurled for ease of application, Series CD Caps seal flared JIC fittings exceptionally well against dirt and moisture, and are also used for masking during painting and plating. Material: Low-Density Polyethylene Colour*: Red Applicable Specs: MIL-C-52078, MIL-C-5501/11, NAS-814, NAS-832 [See More]

  • Features: Threaded
Mini-Link Closure Cap for A size plugs, 2 - 6A, alum -- 75-0085
from Remke Industries

The Remke family of Mini-Link Molded Connectors & Cordsets are ideally suited for applications where flexibility and resistance to stress, abuse or harsh environments is important. These connectors are available in: PVC(plastic) for general industrial applications. Rubber for use in applications... [See More]

  • Shape / Application: Round
  • Features: Threaded
CAP ONLY, Screw Top Micro Tube Cap, O-Ring, Translucent, Assorted Colors, Non-sterile -- 230842A
from diaago

Features. High temperature resistivity range –shatter/crack resistant and ideal for boiling. Easy 3/4 turn to open and close. Sterile Assemblies packed in self-standing re-sealable bags offer a unique storage solution. Translucent and Opaque Cap O-rings ensure leak-proof seal, and are a highly... [See More]

  • Shape / Application: Screw Cap or Plug
  • Features: Threaded
Threaded Protection Caps - UNF/JIC Threads -- G2A
from Essentra Components

UNF/JIC Threaded Caps protect flared or flareless fittings against dirt, dents and moisture. The rolled thread design and easy to grip head allows the cap to be pushed on the fitting for efficient installation. Blue LDPE material is easily visible and resistant to chemicals. [See More]

  • Features: Threaded
  • Material: Polyethylene (PE); Low Density Polyethylene
Tefzel™ (ETFE) Cap for M6 Nut -- P-756
from IDEX Health & Science

Our Tefzel (ETFE) Cap is designed to effectively cap and seal off tubing. Tefzel (ETFE) features a higher temperature threshold, increased strength, and lower gas permeability. Our cap is for M6 Flat-Bottom Ports and has a Standard Knurl head style. [See More]

  • Shape / Application: Round
  • Material: Genuine Tefzel™ ETFE Resin
  • Features: Threaded; Knurled
Tapered Series -- POLY-CAP-11
from Polymer Molding, Inc.

The tapered style can either be used as a cap or plug, depending on application. Excellent for protecting threads and keeping unwanted contamination out of pipes, valves, tubing and most other cylindrical openings. The most economical solution for protecting standard size threads, unified threads,... [See More]

  • Shape / Application: Round
  • Straight Thread: 3/8" Standard Threaded
  • Features: Threaded; Tapered; Flange
  • Diameter: 0.3270
14S Circular Conn. End Cap & Chain -- C90-25043-14S
from Harwin Plc

Internal 7/8-24UNEF-2B thread size, use with 14S shell size. Compatible with MIL-DTL-5015 (MIL-C-5015) Circular Connectors and RoHS compliant equivalent. Fitted with 114.3mm stainless steel chain. [See More]

  • Shape / Application: Round
  • NPT Thread: (7/8-24UNEF-2B)
  • Features: Threaded
OF Series (Caps for Long-Threaded Connectors) -- OF 10
from Daemar Inc.

Six internal ribs create a postiive grip on the outer surface of the fittings nut. Three internal webs act as a positive stop and positioning feature, preventing movment, which could lead to contamination and damage to the fitting during installation. Material: Low-Density Polyethylene Colour:... [See More]

  • Features: Threaded
Mini-Link Closure Cap for A size receptacles, 2 - 6A, alum -- 75-0086
from Remke Industries

The Remke family of Mini-Link Molded Connectors & Cordsets are ideally suited for applications where flexibility and resistance to stress, abuse or harsh environments is important. These connectors are available in: PVC(plastic) for general industrial applications. Rubber for use in applications... [See More]

  • Shape / Application: Round
  • Features: Threaded
Screw Caps for externally threaded tubes in 24-well format - Black -- MP53522
from diaago

Micronic Screw Caps for tubes with external thread have a triple start thread for the most optimal sealing quality, ensuring long-term sample preservation and storage at ultra-low temperatures. To prevent the Screw Cap from overturning – manually or mechanically – the screw cap is... [See More]

  • Shape / Application: Screw Cap or Plug
  • Features: Threaded
Threaded Protection Caps - UNJ/UNJS Threads -- DC3A
from Essentra Components

UNJ/UNJS Threaded Caps protect thirteen sizes of tubing from dust, moisture and damage during production, storage and shipment. The easy to grip head design allows for ease of hand installation and durable HDPE material is resistant to chemicals. [See More]

  • Features: Threaded
  • Material: Polyethylene (PE); High Density Polyethylene
TC Series -- TC-3
from Polymer Molding, Inc.

Designed to fit male SAE/JIC O-ring face-seal fittings. Typical wall thickness: .032. Color: Blue or natural. Material: Low Density Polyethylene. LDPE service temperature: 150 ° F (66 ° C). RoHS Compliant [See More]

  • Shape / Application: Round
  • Straight Thread: 3/8" -24
  • Features: Threaded; Tear-tab
  • Diameter: 0.3750
RC Caps (Caps for Threaded Connectors) -- FT-201
from Daemar Inc.

Originated for the automotive and air conditioning industries, Series RC Caps are suitable for a multitude of applications. They can be installed to fit threaded or smooth cylindrical surfaces. Material: Low-Density Polyethylene Colour*: Red [See More]

  • Features: Threaded
Single Key (M12) Micro-Link Closure Cap for external threaded plugs and receptacles, alum -- 75-0026
from Remke Industries

In the Tuff Link family of molded connectors & cordsets, customization means you can mix and match from our extensive selection of special materials, special hardware, special wiring, custom packaging, kitting and private labeling to develop the Molded Connector or Cordset that meets your... [See More]

  • Shape / Application: Round
  • Features: Threaded
Screw Caps for internally threaded tubes in 24-well format - Black -- MP53222
from diaago

Micronic Screw Caps for internally threaded tubes securely seal tubes for long-term sample storage at ultra-low temperatures. Internally threaded tubes can be sealed with a standard Screw Cap, a Screw Cap Ultra, or a Low Profile Screw Cap. The Micronic Screw Caps for tubes with an internal thread... [See More]

  • Shape / Application: Screw Cap or Plug
  • Features: Threaded
Threaded Sealing Caps - Metric Threads -- TSC467040A
from Essentra Components

Metric Threaded Sealing Caps are fitted with an internal neoprene rubber sealing disk to limit fluid leakage and are suitable to protect metric threads. While hand tightening is recommended, the cap can be applied or removed by spanner or socket at a low torque. [See More]

  • Features: Threaded
  • Material: Polyethylene (PE); High Density Polyethylene
RCL Caps (Caps for Long-Threaded Connectors) -- (B-203-2) RCL-2
from Daemar Inc.

Series RCL Caps are ideal for protecting threaded or smooth cylindrical surfaces. Originally designed for use on hydraulic double threaded bulkhead fittings, they are especially suitable where greater longitudinal protection is required. Material: Low-Density Polyethylene Colour*: Red [See More]

  • Features: Threaded
Single Key (M12) Micro-Link Closure Cap for internal threaded plugs and receptacles, alum -- 75-0025
from Remke Industries

TUFF-SEAL ™ ENGINEERED SOLUTIONS ARE SECOND TO NONE. In the Tuff-Seal family of Cord Connectors & Wire Mesh Grips customization means you can mix and match from our extensive selection of special materials, wire mesh, components, threading, custom packaging, kitting and private labeling to... [See More]

  • Shape / Application: Round
  • Features: Threaded
Threaded Sealing Caps - UNF Threads -- TSC467068A
from Essentra Components

UNF Threaded Sealing Caps protect and limit fluid leakage. These HDPE caps are resistant to solvents and reduce potential shearing. A neoprene sealing disk limits fluid leakage and the hexagonal head can be tightened by a wrench or socket at low torque but is hand tightening is recommended. [See More]

  • Features: Threaded
  • Material: Polyethylene (PE); High Density Polyethene