Round Plugs, Stoppers, and Inserts

Nickel-Plated Brass Metric Thread Plugs -- 6700612
from Altech Corp.

Features: Polyamide. 25 % glass fiber reinforced Characteristics: Metric Threads. Round, with slot [See More]

  • Shape / Application: Round
  • Straight Thread: 1
  • Features: Threaded; Slotted Head
  • Diameter: 0.5512
ADP Series - Threaded Aluminum Plugs for Flareless Tube and Hose Assemblies -- Item # ADP-10
from Arizona Sealing Devices, Inc.

Series ADP Plugs have a dimpled nose section that forms a low pressure seal with flareless tube ends. The addition of a neoprene shoulder gasket enables the ADP-GN to provide a positive seal on the spot face of the O-ring port. Gaskets are also optionally available in Butyl or Buna N rubber. [See More]

  • Shape / Application: Round
  • NPT Thread: 5/8 in
  • Features: Threaded
  • Material: Aluminum
Plugs for Round Tubing -- CCF-1 1/2-10-14
from Caplugs

CCF Series plugs for round tubing features a series of tapered ribs which ensures a secure fit perfect for use on a wide range of metal furniture, appliances and similar items. A thick, impact and abrasion resistant base makes these plugs ideal tubing closures for products subject to heavy-duty... [See More]

  • Shape / Application: Round
  • Material: Polyethylene (PE)
K Series (Plugs For Round Tubing) -- K-10
from Daemar Inc.

Series K Tubing Plugs are especially designed for applications where the outside diameter of the closure should not exceed the outside diameter of the tubing. Flanges fit flush with outer walls of tubing, providing positive protection against moisture and dirt. Especially suitable for general... [See More]

  • Shape / Application: Round
High Temperature Septa -- 75801
from Hamilton Co.

High Temperature Septa is made of preconditioned PTFE/silicone rubber and is 3.175 mm (0.125 in) thick. The average life of these septa is up to 100 injections with a 26s gauge needle. The maximum operating temperature is 212 ° C. [See More]

  • Shape / Application: Round
  • Fitted Depth: 0.1252
  • Diameter: ? to 0.2500
  • Material: Rubber - Silicone
Nylon Hole Plug -- 8600 [8600 from Keystone Electronics Corp.]
from Heilind Electronics, Inc.

Type: Hole Plug. Style: Solid. Material: Nylon. Hole Diameter: .250 [6.4] [See More]

  • Shape / Application: Round
  • Material: Nylon
  • NPT Thread: 1/4" NPT
Caterpillar-Style Split Flange Plug
from HydraCheck Inc.

For use with the Pressure/Leak, Hand-operated Pump. These HydraCheck connectors are designed exclusively for pressure/leak testing components with split flange connectors. Simply remove the transmission line and install the HydraCheck pressure/leak connector – you are ready to test!. Comes... [See More]

  • Shape / Application: Round
  • Diameter: 0.5000 to 2
  • Features: Flange
Grey Cap 6 D30 -- 0.0.634.45
from item America, LLC

Caps for the ends of Profiles and Tubes are available in two variants - grey and a black, electrostatically dissipative version. This makes it easy to identify the intended application of a Cap. [See More]

  • Shape / Application: Round
  • Overall Length: 0.1181
  • Diameter: 1.18
  • Material: Nylon
5-Axis Aluminum Chip Plug
from Jergens, Inc.

5-Axis Aluminum Chip Plug [See More]

  • Shape / Application: Round
  • Material: Aluminum
  • Diameter: 0.4724 to 0.9843
Nylon Hole Plug -- 8600
from Keystone Electronics Corp.

Type: Hole Plug. Style: Solid. Material: Nylon. Hole Diameter: .250 [6.4] [See More]

  • Shape / Application: Round
  • Material: Nylon
  • NPT Thread: 1/4" NPT
Plug Locks
from McGard Special Products Division

Plug Locks protect against water theft & losses. Registered key patterns. Simple one-piece construction. Easy installation. Constructed from heat treated alloy steel to prevent removal with common tools. Triple-nickel chrome plating to resist corrosion. Locks into standard NPT and coupling... [See More]

  • Shape / Application: Round
  • Overall Length: 0.5000 to 4
  • Features: Threaded
Plastic Screw - Socket Head Cap Screw Plugs - PEEK -- SPE-R
from NBK America LLC

PEEK is a thermoplastic super-engineering plastic with excellent physical and chemical properties. These screws have excellent chemical resistance. They are mostly unaffected by chemicals excluding concentrate sulfuric acid, concentrate nitric acid, and concentrate hydrofluoric acid. These screws... [See More]

  • Shape / Application: Round
  • Overall Length: 0.3150 to 0.4724
  • NPT Thread: 1/8" NPT; 1/4" NPT; 3/8" NPT
  • Material: Polyetheretherketon (PEEK)
Cast Iron Elbow Vent Adapter Vent, 2" NPT Bung Drum Dollies, Pumps & Accessories DRM324 -- DRM324
from New Pig Corporation

Add this adapter to your Non-Metallic Drum Vent to allow easy venting of horizontal drums. For use with Non-Metallic Drum Vent Allows you to use vent with a horizontal drum Durable cast iron construction Fits 2" bungs [See More]

  • Shape / Application: Round; Drum Bung Plug
  • NPT Thread: 2" NPT
Non-Vented, Threaded Male Cap Plug, Blue -- 65816
from Qosina Corp.

Single-Use Medical Luer Connectors. Non-sterile medical luer lock connectors are available with male luer and female luer fittings. Connector configurations include male luer locks, male luer slips, female luer locks and female luer slips that connect to tubing in a wide selection of sizes. Qosina... [See More]

  • Shape / Application: Round
  • Material: Polypropylene (PP)
  • Features: Threaded
Dome Cap Blind Stop Plug, M16 thread, gray -- RBMP16-GY
from Remke Industries

Dome Cap Cable Glands provide easy handling, quick installation, impact & abrasion resistance even at very low temperatures. These connectors are designed to withstand the rigors of continuous flexing & bending with ease and can be used with a wide range of cables both indoors &... [See More]

  • Shape / Application: Round
  • Material: Nylon
  • Features: Threaded; Slotted Head
from RS Components, Ltd.

Black low density polyethylene. In metric and imperial sizes. Sizes are Tube O/D x Wall thickness. Structural Element Type = Round Tube Plug. Fits Tube Diameter = 38.1mm. Material = PE. Colour = Black. Product Family = RS [See More]

  • Shape / Application: Round
  • Material: Polyethylene (PE); PE
End Caps
from Techcon

Designed to securely clip over the large end of the syringe barrel ensuring no contaminants come into contact with the area behind the air powered piston, during storage and shipment. Made from polyethylene. [See More]

  • Shape / Application: Round
  • Material: Polyethylene (PE)
#10 Tap-On Screw Cover
from Ark-PlasĀ® Products, Inc.

Ark-Plas ® Screw Cover line includes screw covers that can be used with many different types of fasteners along with specialized covers designed for specific fastening hardware. Tap-On Screw Covers are ideal for use with Phillips head screws and feature a tapered edge that blends nicely into any... [See More]

  • Shape / Application: Round; Screw Cap or Plug
  • Straight Thread: #10
  • Features: Tapered; Flange
  • Fitted Depth: 0.1650
Hexagon Plug (BC-DPM-P Type) -- BC-DPM-P 11
from BOXCO Inc.

Material : Nickel-plated brass. Protection degree : IP68 [See More]

  • Shape / Application: Round
  • Diameter: 0.7323
  • Features: Flange
  • Fitted Depth: 0.2362
Angle Pin Insert -- API Series
from DME Company

D-M-E Angle Pin Inserts are pre-machined with 10 °, 15 ° or 20 ° angle holes to eliminate costly angle set-ups and machining. Supplied with a machined flat to prevent rotation, Angle Pin Inserts are available in over 50 size/angle combinations to suit most applications. Made from... [See More]

  • Shape / Application: Round
  • Fitted Depth: 2.88
  • Diameter: 0.6250 to 2.25
  • Overall Length: 0.8750 to 2.88
Round Inserts & Glides - Angled -- RAG1220A
from Essentra Components

Round Angled Inserts & Glides are ideal for load bearing applications with fixed leg angles. The glides fit flush with tubing outer dimensions for a clean, finished appearance. [See More]

  • Shape / Application: Round
  • Material: Nylon; Nylon
Pipe Plugs
from G.L. Huyett

Used to seal threaded pipes when you no longer need to use the opening. We carry a variety of sizes and materials. [See More]

  • Shape / Application: Round; Square; Screw Cap or Plug
  • Material: Steel - Stainless; Carbon Steel
  • Overall Length: 0.1880 to 19.5
Hydraulic Fitting Plugs -- HF
from Hi-Tech Seals, Inc.

The flared- fitting plugs are commonly used by hydraulic companies. This protector will meet low- pressure requirements. Note that unlike most other plugs, this plug is made with high-density polyethylene. [See More]

  • Shape / Application: Round
  • NPT Thread: 1/4" NPT (optional feature); 3/8" NPT (optional feature); 1/2" NPT (optional feature); 3/4" NPT (optional feature); 1" NPT (optional feature); 1 1/4" NPT (optional feature); 1 1/2" NPT (optional feature); 2" NPT (optional feature)
  • Features: Threaded; Tapered (optional feature)
  • Diameter: 0.3750 to 2
Bottle Cap Plug for 1/8" OD -- A-628
from IDEX Health & Science

Our Bottle Cap Plug is designed to seal the third "tapered" luer hole found in most Bottle Caps. This plug is manufactured from durable UHMWPE. This plug is for 1/16", 1/8" or 3/16" holes. [See More]

  • Shape / Application: Round
  • Material: Polyethylene (PE)
  • NPT Thread: 1/8" NPT
Pipe Plug Fittings
from International Polymer Solutions Inc.

Pressure Ratings: Performance at ambient room conditions: 120 psi for 1/16 ” fittings linear decreasing to 80 psi for 3/4 ” fittings and 60 psi for fittings larger than 3/4". Performance at elevated temperatures up to 85 ºC/185 ºF: 90 psi for 1/16 ” fittings linear... [See More]

  • Shape / Application: Round
  • NPT Thread: 1/8" NPT; 1/4" NPT; 3/8" NPT; 1/2" NPT; 3/4" NPT; 1" NPT; 1 1/2" NPT; 1/16 NPT
  • Features: Tapered
  • Diameter: 0.4400 to 2
from MOCAP, Inc.

MOCAP manufactures several families of dip molded vinyl plastic plugs, injection molded plastic plugs and rubber molded plugs for all of your product protection, masking or appearance finishing needs. From injection molded low density polyethylene (LDPE) plastic tapered plug caps, sheet metal plugs... [See More]

  • Shape / Application: Round; Button Plug
  • Features: Threaded; Tapered; Flange; Slotted Head
Orifice Reducers -- OR 13
from Pacific Vial Manufacturing, Inc.

Pacific Vial carries coordinating sizes of screw caps,corks,and plastic stoppers in stock. A variety of other closures/liners are available,depending on customer requirements and requests.All closures are packaged and sold separately. [See More]

  • Shape / Application: Round
  • Material: Plastic
F&R Series -- F-1
from Polymer Molding, Inc.

Sheet Metal Plugs are used in automobiles, rust proofing, appliances, hot water tanks and any place needing a secure plug in a thinner type material. They are easily snapped into place and will not become loose because of the retaining beads. Typical wall thickness: .032. Color: Black. Material: Low... [See More]

  • Shape / Application: Round; Button Plug; Sheet Metal Plug
  • Fitted Depth: 0.2500
  • Diameter: 1.04
  • Material: Polyethylene (PE)
Pull Thru Masking Plugs
from Precision Associates Incorporated

Pull-Thru Hol-Masks ™ are used to protect through holes during plating, painting, anodizing, de-burring, etc. PAI Hol-Masks ™ are made of a specially developed high-strength compound that is resistant to all plating soloutions, high temperatures, etc. as normally encountered in the... [See More]

  • Shape / Application: Round
  • Overall Length: 1.12 to 2.79
  • Diameter: 0.0550 to 0.7650
Plug -- P
from SAS Automation, LLC

Plugs for one-touch fittings. Ideal for testing or for blocking off unnecessary air lines [See More]

  • Shape / Application: Round; Air Line Plug
  • Diameter: 0.1575 to 0.3150
Concave Type Expansion Plugs
from Seastrom Manufacturing Co., Inc.

Concave Expansion Plugs, Dome Expansion Plugs, Welch Style Expansion Plugs, Core Plugs. Concave expansion plugs are used to plug or seal a shallower depth existing hole than the tapered cup style. Use our Quick Search below to source aluminum, brass, steel (cold rolled steel), stainless steel and... [See More]

  • Shape / Application: Round
  • Material: Aluminum (optional feature); Steel - Stainless (optional feature); Brass
Bell End Plug -- 301-106
from Taylor Made Plastics, Inc.

The Pipe Plug is a patented polyethylene plug used to keep all types of pipe clean. If you need to keep your pipe free of water, sand, mud, animals, or just about anything else, this is the answer. It saves time and money and fits pipe from 6" to 60". It's THE PIPE PLUG, and it's made to fit your... [See More]

  • Shape / Application: Round; Bell End Plug
  • Material: Ductile Iron & C-900
  • Diameter: 6
Round Black Tubing Plugs -- 41161
from U.S. Plastic Corporation

Fits tubes with an outside diameter of .750", an inside diameter of .58" to .68" and a wall thickness of 14-20 gauge (.083" - .035"). [See More]

  • Shape / Application: Round
Rubber Stopper -- MR 200-0009
from Western Rubber & Supply, Inc.

Standard compound 40 durometer, available solid or with holes [See More]

  • Shape / Application: Round
  • Diameter: 0.5512 to 0.7480
  • Features: Tapered
  • Overall Length: 0.9843