1" Screws

FLAT HEAD SLOTTED CAP SCREWS. Dimensions per ANSI B18.6.2. 82 ° countersink angle. Other materials and finishes available. For further information, call or send an information request. Cap screws are threaded fasteners designed to screw into metal, with heads that stick up above the surface. [See More]

• Inch: 1/2"; 5/8"; 3/4"; 7/8"; 1"; 1 1/8"; 1 1/4"
• Length: 1.5 to 6

• Screw Type: Cap Screw
• Other Size Specs: Thread Range: 1/2" - 1-1/4", Course Threads

HEX HEAD BOLTS/HEX CAP SCREWS. Head dimensions per ANSI B18.2.1. Threaded to head. We also stock 1/4" thru 2" diameter and from 1/2 thru 15" in length. Other materials and finishes available. For further information, call or send an information request. One of the basic components of any... [See More]

• Inch: 1/4"; 5/16"; 3/8"; 7/16"; 1/2"; 5/8"; 3/4"; 7/8"; 1"; 1 1/8"; 1 1/4"; 2"
• Length: 0.5000 to 15

• Screw Type: Cap Screw
• Other Size Specs: Thread Range: 1/4" - 1-1/4", Fine and Course Threads

3/4 - 2" DIAMETER - HEX HEAD CAP SCREW - GRADE 5. Our Grade 5, 3/4 - 2 inch diameter hex head cap screws meet ANSI B18.2.1 dimensional specifications and feature rolled threads. Additionally, our Grade 5, 3/4 - 2 inch diameter hex head cap screws offer secure binding for both construction and... [See More]

• Inch: 3/4"; 7/8"; 1"; 1 1/8"; 1 1/4"; 1 3/8"; 1 1/2"; 1 3/4"; 2"
• Length: 0.8750 to 20

• Screw Type: Cap Screw
• Other Size Specs: Thread Range: 3/4" - 2", Fine and Course Threads

HEX SOCKET HEAD CAP SCREWS. National Bolt & Nut offers a large selection of coarse and fine threaded hex socket head cap screws to meet your unique application requirements. And all of our premium hex socket head cap screws meet ANSI B18.3 dimensional specifications. Our line of hex socket head... [See More]

• Inch: # 0; # 1; # 2; # 3; # 4; # 5; # 6; # 8; # 10; 1/4"; 5/16"; 3/8"; 7/16"; 1/2"; 5/8"; 3/4"; 7/8"; 1"; 1 1/4"; 1 1/2"
• Length: 0.1250 to 10

• Screw Type: Cap Screw
• Other Size Specs: Thread Range: #0 - 1-1/2", Fine and Course Threads

HEX SOCKET SET SCREWS. National Bolt & Nut's premium line of hex socket set screws are most regularly used to secure one object against another object, and are ideal for applications involving the fastening of knobs, gears, collars and other devices onto shafts. Designed for better industrial... [See More]

• Inch: # 4; # 5; # 6; # 8; # 10; 1/4"; 5/16"; 3/8"; 7/16"; 1/2"; 5/8"; 3/4"; 7/8"; 1"
• Length: 0.1250 to 3

• Screw Type: Set Screw
• Other Size Specs: Thread Range: #4 - 1", Fine and Course Threads

Replacement screws for safety engineered products [See More]

• Inch: 1"
• Length: 1.71

• Screw Type: Cap Screw; Shoulder Screw
• Other Size Specs: 1-8 x 3

Used to secure end plugs into manifold. Each end plug. should be secured with two set screws. If purchased from. another source, set screws must conform to the following. standards: ANSI B1.1, ANSI B18.3 and ASTM F912. [See More]

• Inch: 3/4"; 7/8"; 1"
• Length: 0.8750 to 1

• Screw Type: Set Screw

Screws are threaded fasteners used to join two or more objects or hold an object in position. We offer a diverse line of screws with imperial or metric threads. Our assortment of cap screws includes standard head, button head, flat head, flange head, and more. We also stock a large selection of... [See More]

• Inch: 1"
• Length: 0.5000

• Screw Type: Set Screw
• Material: Steel

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]

• Inch: # 6; # 8; # 10; # 12; 1/4"; 5/16"; 3/8"; 7/16"; 1/2"; 5/8"; 3/4"; 7/8"; 1"; 1 1/8"; 1 1/4"
• Head Type: Hexagon Head

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

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]

• 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"
• Metric: M1.6; M2; M2.5; M3; M3.5; M4; M5; M6; M8; M10; M12; M14; M16; M18; M20

• Screw Type: Cap Screw; Machine Screw

Machine Screws. General Information. Material: 1006-1010; 1022 Low Carbon Steel; Heat Treatable Medium Carbon Steel; Pre-galvanized Steel. Other material is available on special order. Type of Head: Indented Hex, Truss, Round, Fillister, Flat, Carriage, Pan or Hex Washer, Six Lobe. Special head... [See More]

• 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"
• Length: ? to 52

• Screw Type: Machine Screw
• Head Type: Hexagon Head

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]

• Inch: 1"
• Standard Drives: 12-Point

• Head Type: Hexagon Head; Other; 12 Point Double Hex Bolt/Screw
• Material: Inconel 718 220 KSI

Custom sizes/other finishes available, square cone lock washer sems [See More]

• Inch: 1"
• Length: 1

• Screw Type: Machine Screw
• Head Type: Pan Head

Socket head cap screws are made of heat-treated alloy steel and are best used for applications where extreme strength and hardness are required. However, stainless steel has become the material of choice for exterior and most marine applications, where high corrosion resistance is necessary. [See More]

• Inch: # 0; # 1; # 2; # 3; # 4; # 5; # 6; # 8; # 10; 1/4"; 5/16"; 3/8"; 7/16"; 1/2"; 5/8"; 3/4"; 7/8"; 1"; 1 1/4"; 1 1/2"
• Metric: M4; M5; M6; M8

• Screw Type: Cap Screw
• Length: 0.1250 to 12

Featuring full threads and a socket head with knurling and available in grade Alloy, all NBS socket head cap screws meet IFI specifications and are sourced exclusively from ISO/TS-16949 accredited manufacturers. Available from 1/4 " through 1 " diameter, all low head socket cap screws come... [See More]

• Inch: 1"
• Length: 4

• Screw Type: Cap Screw
• Head Type: Socket Head Cap

Up to 12" long. High-grade alloy steel, heat treated to 38-45 HRC. Tensile strength: 180,000 PSI minimum [See More]

• Inch: 1/4"; 3/8"; 1/2"; 3/4"; 1"
• Length: 0.2500 to 12

• Screw Type: Cap Screw
• Head Type: Socket Head Cap

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]

• Inch: # 0; # 1; # 2; # 3; # 4; # 5; # 6; # 8; # 10; 1/4"; 5/16"; 3/8"; 7/16"; 1/2"; 5/8"; 3/4"; 7/8"; 1"
• Head Type: Flat Head

• Screw Type: Cap Screw
• Material: Alloy Steel

Long-Lok strip fasteners are manufactured by forming a narrow longitudinal slot long enough to assure engagement with the female thread in an otherwise normal bolt or screw, and compressing a special locking material in the slot. The resiliency of the locking insert holds it in place without... [See More]

• Inch: # 0; # 1; # 2; # 3; # 4; # 6; # 8; # 10; 1/4"; 5/16"; 3/8"; 7/16"; 1/2"; 5/8"; 3/4"; 7/8"; 1"
• Length: 0.1250 to 0.7500

• Screw Type: Cap Screw; Machine Screw
• Material: Steel; Hardened Steel

Our set screws work with shaft collars to ensure holding power. [See More]

• Inch: # 0; # 1; # 2; # 3; # 4; # 5; # 6; # 8; # 10; 1/4"; 5/16"; 3/8"; 7/16"; 1/2"; 5/8"; 3/4"; 7/8"; 1"; 1 1/8"; 1 1/4"; 1 1/2"
• Metric: M3; M4; M5; M6; M8

• Screw Type: Set Screw
• Length: 0.0630 to 12

Poly-Lok ® is today ’s most advanced, most reliable prevailing torque type self-locking fastener. And it ’s all due to the unique polyester patch material that is more resilient, has higher strength, and can be reused more often with higher retained torque values than any other patch... [See More]

• Inch: # 0; # 1; # 2; # 3; # 4; # 6; # 8; # 10; 1/4"; 3/8"; 7/16"; 1/2"; 5/8"; 3/4"; 7/8"; 1"

• Screw Type: Cap Screw; Machine Screw

The patented Dyna-Thred lock is formed of the fastener itself and requires use of no additional locking element materials. Locking action takes place in a full hoop, 360 ° around the thread, providing an equal load on all sides. Dyna-Thred II fasteners are available in a wide variety of head... [See More]

• Inch: # 6; # 8; # 10; 1/4"; 5/16"; 3/8"; 7/16"; 1/2"; 5/8"; 3/4"; 7/8"; 1"
• Head Type: Binding Head  ; Button Head; Fillister Head; Round Head; Truss Head

• Screw Type: Cap Screw
• Standard Drives: Bristol Spline; Hex Socket / Allen; Philips / Frearson; Slotted

Tek-Lok ® self-locking threaded fasteners obtain locking action from an engineered plastic pellet compressed into a hole drilled in the threaded region of the fastener, to a depth slightly below the root of the thread. Pellet size and location are standard but can be altered to meet special... [See More]

• Inch: # 0; # 1; # 2; # 3; # 4; # 6; # 8; # 10; 1/4"; 5/16"; 3/8"; 7/16"; 1/2"; 5/8"; 3/4"; 7/8"; 1"
• Material: Steel; Hardened Steel

• Head Type: Fillister Head