M4 Bolts

If your equipment is exposed to high pressure, contamination, or vibration, then protect it with ZAGO ’s hex flange sealing nuts. Our hex flange sealing nuts are unique because they are designed with an ingrained rubber element. The power of our sealing technology is unleashed when the nuts... [See More]

• Metric: M1.6; M2; M2.5; M3; M3.5; M4; M5; M6; M8; M10; M12; M14; M16; M18; M20; M22; M24; M27; M30
• Inch: # 0; # 1; # 2; # 4; # 6; # 8; # 10; # 12; 1/4"; 5/16"; 3/8"; 7/16"; 1/2"; 5/8"; 3/4"

• Bolt Type: Flange Bolt; Hexagon Bolt
• Length: 0.0787 to 1.97

Serving a wide array of industries from marine and mining to construction and electronics, our custom fasteners can be used for a broad variety of applications, including boilers, bridges, hydraulics, and machine tools. Offering the capability to work with a large number of materials up to four... [See More]

• Metric: M2; M2.5; M3; M3.5; M4; M5; M6; M8; M10; M12; M14; M16; M18; M20; M22; M24; M25; M26; M27; M28; M30; M32; M33; M35; M36; M38; M40; M42; M48; M56; M64
• Inch: # 4; # 5; # 6; # 7; # 8; # 9; # 10; # 12; # 14; 1/4"; # 16; # 18; 5/16"; # 20; # 24; 3/8"; 7/16"; 1/2"; 5/8"; 3/4"; 7/8"; 1"; 1 1/8"; 1 1/4"; 1 3/8"; 1 1/2"; 1 3/4"; 2"; 2 1/4"; 2 1/2"; 2 3/4"; 3"

• Bolt Type: Anchor Bolt; Carriage Bolt; Elevator Bolt; Flange Bolt; Hexagon Bolt; Lag Bolt; Machine Bolt; Plow Bolt; Shoulder Bolt; Square Head Bolt; T-Head Bolt; U-Bolt; Tamperproof (optional feature); Bent (Hook, J), Countersunk, T-Slot
• Material: Aluminum; Bronze; Brass; Superalloy; Molybdenum; Steel; Hardened Steel; Stainless Steel; Titanium; Exotic Metals; Plastic; Nylon

BJ730-04006 ～20032 - Body. S45C steel Quenched and tempered (for M4-M8 screw). Black oxide finish. BJ730-04006 ～20032 - Ball. SUJ2 steel Heat treated to HRC56-67. BJ730-06113 ～20127 - Body. SCM435 steel. Quenched and tempered. BJ730-06113 ～20127 - Ball. SUJ2 steel. Heat... [See More]

• Metric: M4; M5; M6; M8; M10; M12; M16; M20
• Finish: Black Oxide

• Material: Steel

Goodfellow C/BOLT M4 X 25 Hex Bolt [See More]

• Metric: M4
• Length: 0.9843

• Bolt Type: Hexagon Bolt
• Material: Ceramic

M4x0.7 Cheese Head Bolt Slotted Drive Nylon [See More]

• Metric: M4

• Material: Plastic; Nylon

BUMAX 88 Austenitic Stainless Steel A4/316L ISO 4014 Hex Head Bolt M4 x 50 [See More]

• Metric: M4
• Material: Stainless Steel; Austenitic

• Length: 1.97
• Fastener Standards: ISO 4014

ZAGO ’s hex sealing bolts are designed to withstand extreme pressure, and to form a complete seal along the threading of your bolt. Where liquids, gas, and contamination are present, it is crucial to use ZAGO ’s hex sealing bolts rather than ordinary nuts bolts to ensure optimal... [See More]

• Metric: M1.6; M2; M2.5; M3; M3.5; M4; M5; M6; M8; M10; M12; M14; M16; M18; M20; M22; M24; M27; M30
• Inch: # 0; # 1; # 2; # 4; # 6; # 8; # 10; # 12; 1/4"; 5/16"; 3/8"; 7/16"; 1/2"; 5/8"; 3/4"

• Bolt Type: Hexagon Bolt
• Length: 0.0787 to 1.97

METRIC FLAT HEAD HEX SOCKET CAP SCREWS. Meeting ANSI B18.3.5M dimensional specifications, our line of coarse threaded metric flat head hex socket cap screws are manufactured in various thread sizes to meet your particular application requirements. Metric flat head hex socket cap screws are ideal for... [See More]

• Metric: M3; M4; M5; M6; M8; M10; M12; M16
• Other Size Specs: Thread Range: M3 - M16, Course Threads

• Length: 0.4724 to 1.5
• Material: Steel

RS PRO DIN 933 Hex Bolt [See More]

• Metric: M4
• Length: 0.3150

• Bolt Type: Hexagon Bolt
• Material: Stainless Steel

M4x0.7 Cheese Head Bolt Slotted Drive Nylon [See More]

• Metric: M4

• Material: Plastic; Nylon

METRIC HEX SOCKET HEAD CAP SCREWS. Meeting ANSI B18.3.1M dimensional requirements, our line of coarse threaded metric hex socket head cap screws come equipped with various thread sizes, designed to meet your particular application needs. Constructed from high strength alloy steel, we additionally... [See More]

• Metric: M2; M2.5; M3; M4; M5; M6; M8; M10; M12; M16; M20; M24
• Other Size Specs: Thread Range: M2 - M24, Course Threads

• Length: 0.7874 to 7.48
• Material: Steel

RS PRO DIN 933 Hex Bolt [See More]

• Metric: M4
• Length: 0.4724

• Bolt Type: Hexagon Bolt
• Material: Stainless Steel

M4x0.7 Cheese Head Bolt Slotted Drive Nylon [See More]

• Metric: M4

• Material: Plastic; Nylon

RS PRO DIN 933 Hex Bolt [See More]

• Metric: M4
• Length: 0.6299

• Bolt Type: Hexagon Bolt
• Material: Stainless Steel

M4x0.7 Hex Head Bolt Hex Socket Drive Nylon [See More]

• Metric: M4

• Material: Plastic; Nylon

RS PRO DIN 933 Hex Bolt [See More]

• Metric: M4
• Length: 0.7874

• Bolt Type: Hexagon Bolt
• Material: Stainless Steel

M4x0.7 Hex Head Bolt Hex Socket Drive Nylon [See More]

• Metric: M4

• Material: Plastic; Nylon

RS PRO DIN 933 Hex Bolt [See More]

• Metric: M4
• Length: 0.9843

• Bolt Type: Hexagon Bolt
• Material: Stainless Steel

M4x0.7 Hex Head Bolt Hex Socket Drive Nylon [See More]

• Metric: M4

• Material: Plastic; Nylon

Screw,Hexagon Apset Head Bolt M4x15 [See More]

• Metric: M4
• Length: 0.5906

• Bolt Type: Hexagon Bolt
• Material: Stainless Steel

M4x0.7 Hex Head Bolt Hex Socket Drive Nylon [See More]

• Metric: M4

• Material: Plastic; Nylon

RS PRO DIN 933 Hex Bolt [See More]

• Metric: M4
• Length: 0.3937

• Bolt Type: Hexagon Bolt
• Material: Stainless Steel

M4x0.7 Hex Head Bolt Hex Socket Drive Nylon [See More]

• Metric: M4

• Material: Plastic; Nylon

RS PRO DIN 933 Hex Bolt [See More]

• Metric: M4
• Length: 0.6299

• Bolt Type: Hexagon Bolt
• Material: Stainless Steel

M4x0.7 Hex Head Bolt Hex Socket Drive Nylon [See More]

• Metric: M4

• Material: Plastic; Nylon

RS PRO DIN 933 Hex Bolt [See More]

• Metric: M4
• Length: 0.7874

• Bolt Type: Hexagon Bolt
• Material: Stainless Steel

M4x0.7 Hex Head Bolt Hex Socket Drive Nylon [See More]

• Metric: M4

• Material: Plastic; Nylon

RS PRO A2SETM04 025RS Hex Bolt [See More]

• Metric: M4
• Length: 0.9843

• Bolt Type: Hexagon Bolt
• Material: Stainless Steel

M4x0.7 Hex Head Bolt Hex Socket Drive Nylon [See More]

• Metric: M4

• Material: Plastic; Nylon

RS PRO DIN 933 Hex Bolt [See More]

• Metric: M4
• Length: 0.3937

• Bolt Type: Hexagon Bolt
• Material: Steel

M4x0.7 Hex Head Bolt Slotted Drive Nylon [See More]

• Metric: M4

• Material: Plastic; Nylon

RS PRO DIN 933 Hex Bolt [See More]

• Metric: M4
• Length: 0.4724

• Bolt Type: Hexagon Bolt
• Material: Steel

M4x0.7 Hex Head Bolt Slotted Drive Nylon [See More]

• Metric: M4

• Material: Plastic; Nylon

RS PRO DIN 933 Hex Bolt [See More]

• Metric: M4
• Length: 0.6299

• Bolt Type: Hexagon Bolt
• Material: Steel

M4x0.7 Cheese Head Bolt Hex Drive Titanium [See More]

• Metric: M4

RS PRO DIN 933 Hex Bolt [See More]

• Metric: M4
• Length: 0.7874

• Bolt Type: Hexagon Bolt
• Material: Steel

M4x0.7 Cheese Head Bolt Slotted Drive Nylon [See More]

• Metric: M4

• Material: Plastic; Nylon

RS PRO DIN 933 Hex Bolt [See More]

• Metric: M4
• Length: 0.9843

• Bolt Type: Hexagon Bolt
• Material: Steel

RS PRO &MHS04 030 081 Hex Bolt [See More]

• Metric: M4
• Length: 1.18

• Bolt Type: Hexagon Bolt
• Material: Steel

RS PRO &MHS04 035 081 Hex Bolt [See More]

• Metric: M4
• Length: 1.38

• Bolt Type: Hexagon Bolt
• Material: Steel

RS PRO &MHS04 050 081 Hex Bolt [See More]

• Metric: M4
• Length: 1.97

• Bolt Type: Hexagon Bolt
• Material: Steel

RS PRO &MHS04 040 081 Hex Bolt [See More]

• Metric: M4
• Length: 1.57

• Bolt Type: Hexagon Bolt
• Material: Steel

Electrician stl &brass screw,nut &wash kit [See More]

• Metric: M3.5; M4
• Finish: Nickel plated

• Material: Brass
• Fastener Standards: RoHS Compliant

US INCH STANDARDS & METRICS. Hex Cap Screws have hexagonal heads and machine threads for use with a nut or in a tapped hole. They are generally used in precise applications such as OEM settings where tight tolerances are required. The most common grades for Inch Standard Hex Cap Screws are 2, 5... [See More]

• Metric: M4; M5; M6; M8; M10; M12; M14; M16; M18; M20
• Fastener Standards: ASME/ANSI (optional feature); DIN (optional feature); ISO (optional feature); SAE (optional feature)

• Finish: Black Oxide (optional feature); Galvanized (optional feature); Zinc Plated (optional feature); PTFE (Xylan)

M.S. Aerospace manufactures fasteners for critical space, military, helicopter, commercial aircraft, missile, jet and rocket engine platforms. We manufacture parts for General Electric, Pratt & Whitney, Honeywell, Rolls Royce, Lockheed Martin, ULA, the Department of Defense, MTU, SNECMA, Sikorsky,... [See More]

• Metric: M4

• Material: Incoloy 909

Slotted 3.5mm long Jackscrew bolt, to use with threaded jackscrews for board-mount strain relief. Used with jackscrew types M4, FE, and standard 3mm PC Tail J-Tek connectors. M2 thread. See Component Specification C005xx for Torque recommendations. [See More]

• Metric: M2; M4
• Fastener Standards: RoHS Compliant (2015/863/EU) with no Exemption required

• Length: 0.1378

Socket Head Stripper Bolts MM [See More]

• Metric: M2.5; M4; M5; M6; M8; M10; M12; M14; M16; M18; M20; M22; M24
• Length: 0.2362 to 9.84

• Bolt Type: Shoulder Bolt; Shoulder Bolt

Dri-Loc ® adhesives (from Loctite Corporation), applied to threaded parts, form a unique coating that converts ordinary fasteners into self-locking fasteners. Dry to the touch, Dri-Loc adhesives become an integral part of the fastener and stay inert until parts are used. During the assembly... [See More]

• Metric: M1.6; M2; M2.5; M3; M3.5; M4; M5; M6; M8; M10; M12; M14; M16; M18; M20
• Inch: # 0000; # 000; # 00; # 0; # 1; # 2; # 3; # 4; # 5; # 6; # 7; # 8; # 9; # 10; # 12; # 14; 1/4"; # 16; # 18; 5/16"; # 20; # 24; 3/8"; 7/16"; 1/2"; 5/8"; 3/4"; 7/8"; 1"; 1 1/8"; 1 1/4"; 1 3/8"; 1 1/2"; 1 3/4"; 2"; 2 1/4"; 2 1/2"; 2 3/4"; 3"

• Bolt Type: Carriage Bolt; Hexagon Bolt; Machine Bolt

Aluminum alloy hexalobular socket head cap screws with extreme low profile. The specific gravity is approximately 33% that of stainless steel. There is no electrocorrosion due to contact with aluminum alloy. Hexalobular socket ＊1 head cap screws with ultra-thin head. For space-saving of... [See More]

• Metric: M4
• Length: 0.3937

• Bolt Type: Hexagon Bolt
• Material: Aluminum

Bushings are used as spacers between pulleys and gears to prevent damage caused by vibration and dynamic loads. The durable bushing material is corrosion resistant. . NOVOnox 316L Stainless Steel Hexagon Head Bolt for Hygienic Area. M4 Thread [See More]

• Metric: M4
• Length: 0.3150

• Bolt Type: Hexagon Bolt
• Material: Stainless Steel; 316L Stainless Steel

A type of bolt with a recess inside the bolt's head. Socket head cap screws require assembly with a hex key (Allen Key) or a hex bit driven by an impact tool. Hex socket (Allen) drives are compact and easy to drive, but prone to cam-out. The most common types of Socket Cap Screws are: Socket head... [See More]

• Metric: M3; M4; M5; M6; M8; M10; M12
• Fastener Standards: ASME/ANSI; DIN; ASTM

• Material: Alloy Steel

Prevents fall-off and loss of the screw. They are intended to fix protective and inspection covers that are frequently installed and removed. Tamper resistant screw type. For CE Marking compatibility. ⇒Use the NBK Captive Screw Series to be comply with CE. Install and remove with SRX Dedicated... [See More]

• Metric: M4
• Length: 0.3937

• Bolt Type: Hexagon Bolt

Bushings are used as spacers between pulleys and gears to prevent damage caused by vibration and dynamic loads. The durable bushing material is corrosion resistant. . NOVOnox Hygienic Stainless Steel Hexagon Head Bolt with Collar Fully Threaded. Black Washer [See More]

• Metric: M4
• Material: Stainless Steel; 316L Stainless Steel

• Length: 0.3940

Ceramic made from 99.5% high-purity alumina. Usable continually at 1500 °C. Types can be selected by the end symbol of the part number. SCX-C----Socket Head Cap Screws. SCX-H----Hex Head Screws. Excellent heat resistance, chemical resistance, and electrical insulation. The properties of ceramic... [See More]

• Metric: M4

• Length: 0.3937

Bushings are used as spacers between pulleys and gears to prevent damage caused by vibration and dynamic loads. The durable bushing material is corrosion resistant. . NOVOnox Hygienic Stainless Steel Hexagon Head Bolt with Collar Partially Threaded. Black Washer [See More]

• Metric: M4
• Material: Stainless Steel; 316L Stainless Steel

• Length: 0.9840

Ceramic made from 99.5% high-purity alumina. Usable continually at 1500 °C. Types can be selected by the end symbol of the part number. SCX-C----Socket Head Cap Screws. SCX-H----Hex Head Screws. Excellent heat resistance, chemical resistance, and electrical insulation. The properties of ceramic... [See More]

• Metric: M4

• Length: 0.3937

Bushings are used as spacers between pulleys and gears to prevent damage caused by vibration and dynamic loads. The durable bushing material is corrosion resistant. . NOVOnox Hygienic Stainless Steel Hexagon Head Bolt with Collar Fully Threaded. White Washer [See More]

• Metric: M4
• Material: Stainless Steel; 316L Stainless Steel

• Length: 0.3150

Clamping bolt with an integral ceramic ball. Point contact by full ball securely fixes a work. For tool holder set screw, pressure piece and stopper. We also produce products of special specifications, e.g. nominal diameter of thread, length and surface treatment. Please feel free to contact our... [See More]

• Metric: M4

• Length: 0.4134

Bushings are used as spacers between pulleys and gears to prevent damage caused by vibration and dynamic loads. The durable bushing material is corrosion resistant. . NOVOnox Hygienic Stainless Steel Hexagon Head Bolt with Collar Partially Threaded. White Washer [See More]

• Metric: M4
• Material: Stainless Steel; 316L Stainless Steel

• Length: 0.9840

All sizes are standardized with full thread. The ball rotates flexibly by up to 9 °. The reversal prevention mechanism always ensures secure clamping on the flat plane on the ball. We also produce products of special specifications, e.g. nominal diameter of thread, length and surface treatment. [See More]

• Metric: M4
• Finish: Black Oxide

• Length: 0.3937

Bushings are used as spacers between pulleys and gears to prevent damage caused by vibration and dynamic loads. The durable bushing material is corrosion resistant. . NOVOnox Hygienic Stainless Steel Hexagon Head Bolt with Collar Fully Threaded. Blue Washer [See More]

• Metric: M4
• Material: Stainless Steel; 316L Stainless Steel

• Length: 0.3150

All sizes are standardized with full thread. The ball rotates flexibly by up to 9 °. The reversal prevention mechanism always ensures secure clamping on the flat plane on the ball. We also produce products of special specifications, e.g. nominal diameter of thread, length and surface treatment. [See More]

• Metric: M4

• Length: 0.3937

Bushings are used as spacers between pulleys and gears to prevent damage caused by vibration and dynamic loads. The durable bushing material is corrosion resistant. . NOVOnox Hygienic Stainless Steel Hexagon Head Bolt with Collar Partially Threaded. Blue Washer [See More]

• Metric: M4
• Material: Stainless Steel; 316L Stainless Steel

• Length: 0.9840

Surface is contacted by a flat ball. This does not scratch the work. The ball rotates flexibly by up to 9 °. It securely clamps even when the mating part is tilted. For tool holder set screw and pressure piece stopper. We also produce products of special specifications, e.g. nominal diameter of... [See More]

• Metric: M4
• Finish: Black Oxide

• Length: 0.3937

Bushings are used as spacers between pulleys and gears to prevent damage caused by vibration and dynamic loads. The durable bushing material is corrosion resistant. . NOVOnox Hygienic Stainless Steel Hexagon Head Bolt with Collar Fully Threaded [See More]

• Metric: M4
• Material: Stainless Steel; 316L Stainless Steel

• Length: 0.4720

Surface is contacted by a flat ball. This does not scratch the work. The ball rotates flexibly by up to 9 °. It securely clamps even when the mating part is tilted. For tool holder set screw and pressure piece stopper. We also produce products of special specifications, e.g. nominal diameter of... [See More]

• Metric: M4

• Length: 0.3937

Bushings are used as spacers between pulleys and gears to prevent damage caused by vibration and dynamic loads. The durable bushing material is corrosion resistant. . NOVOnox Hygienic Stainless Steel Hexagon Head Bolt with Collar Partially Threaded [See More]

• Metric: M4
• Material: Stainless Steel; 316L Stainless Steel

• Length: 0.9840

Point contact by full ball securely fixes a work. For tool holder set screw, pressure piece and stopper. We also produce products of special specifications, e.g. nominal diameter of thread, length and surface treatment. Please feel free to contact our customer service. [See More]

• Metric: M4
• Finish: Black Oxide

• Length: 0.4134

Point contact by full ball securely fixes a work. For tool holder set screw, pressure piece and stopper. We also produce products of special specifications, e.g. nominal diameter of thread, length and surface treatment. Please feel free to contact our customer service. [See More]

• Metric: M4

• Length: 0.4134

The ball rotates flexibly by up to 9 °. The reversal prevention mechanism ensures secure clamping. Even coarse surface such as casting surface can be securely clamped by the knurled ball. We also produce products of special specifications, e.g. nominal diameter of thread, length and surface... [See More]

• Metric: M4
• Finish: Black Oxide

• Length: 0.3937

The ball rotates flexibly by up to 9 °. The reversal prevention mechanism ensures secure clamping. Even coarse surface such as casting surface can be securely clamped by the knurled ball. We also produce products of special specifications, e.g. nominal diameter of thread, length and surface... [See More]

• Metric: M4

• Length: 0.3937

Flat head bolt with a pin at the center of the hexalobular socket ＊1. This prevents mounting and removing with regular tools. Install and remove with SRX Dedicated Wrench or SRXB Dedicated Bit and SRD Dedicated Magnetic Screwdriver together. ＊1 ： 　The hexalobular shape is... [See More]

• Metric: M4
• Length: 0.3937

• Bolt Type: Hexagon Bolt
• Fastener Standards: ISO; JIS

Set of Flat Head Bolt with Hexalobular Socket ＊1SRFXS (SRFXS) and Rosette Washer SWAS-RW (SWAS-RW). SRFXS can be used without countersinking. SRFXS cannot be mounted or removed by normal tools. Since the combined use of SWAS-RW will disable pinching and rotating SRFXS directly, the anti-theft... [See More]

• Metric: M4
• Length: 0.3937

• Bolt Type: Hexagon Bolt
• Fastener Standards: ISO; JIS

Flat head bolts with pin at the center of their socket. This prevents mounting and removing with regular tools. Install and remove with SRH Dedicated Wrench or SRHB Dedicated Bit and SRD Dedicated Magnetic Screwdriver together. [See More]

• Metric: M4
• Length: 0.3937

• Bolt Type: Hexagon Bolt

The ventilation hole easily releases gas trapped in the screw holes of equipment and machines, and supports vacuum drawing of vacuum devices. The ventilation hole is machined by a method that has less effect on metal structure. It suppress the brittle failure and generation of outgas in a vacuum... [See More]

• Metric: M4
• Length: 0.3937

• Bolt Type: Hexagon Bolt

For rod end shaft bearing height adjustment, etc. Right thread or left thread can be selected according to the end symbol of the part. number. SHS-R----Right thread. SHS-L----Left thread. All products are provided with hexagon nuts (3 types). [See More]

• Metric: M4
• Length: 1.15

• Bolt Type: Hexagon Bolt; Stud Bolt

Hex socket head cap screw with low head. For space-saving of equipment/device and applications with a limited top space. PEEK is thermoplastic super engineering plastic superior in physical and chemical properties. Excellent chemical resistance. It resists almost all chemicals other than... [See More]

• Metric: M4
• Length: 0.3937

• Bolt Type: Hexagon Bolt
• Material: Plastic; PEEK / Light Brown

Hex socket head cap screw with low head. For space-saving of equipment/device and applications with a limited top space. PPS is excellent in heat resistance and chemical resistance and continuously used at 200 °C. No fat or organic solvent cannot dissolve PPS at 200 ℃ or below. High... [See More]

• Metric: M4
• Length: 0.3937

• Bolt Type: Hexagon Bolt
• Material: Plastic; PPS (Poly Phenylene Sulfide) (Bright Light Brown) (Glass fiber 40%)

Hex socket head cap screw with low head. For space-saving of equipment/device and applications with a limited top space. RENY is thermoplastic engineering plastics with excellent tensile strength and bending strength. It is highly fatigue-resistant and has excellent creeping and heat insulation... [See More]

• Metric: M4
• Length: 0.3937

• Bolt Type: Hexagon Bolt
• Material: Plastic; RENY ＊1 (Glass Fiber 50% Reinforced Polyamide MXD6) (Black)