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About Hex Head Screws and Bolts
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Choose a hex head fastener with the right threading, thread size, material, and strength for your equipment.
Steel Phillips Hex Head Screws
 |
No wrench, no worries. If there isn't enough room to turn these screws with a wrench, slip a screwdriver into their Phillips drive. When using a wrench or socket, the head's six flat sides prevent slipping and rounding off the drive.
Length is measured from under the head.
High-Strength Fastener—Commonly used to fasten components in valves, pumps, motors, and other high-stress applications. These screws have a tensile strength of 125,000 to 160,000 psi.
Cadmium-Plated Steel—The plating reduces friction between the screw and your mounting surface to prevent sticking when you tighten or loosen screws. It also creates a barrier against rust.
Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Wd. | Ht. | Threading | Thread Spacing | Tensile Strength, psi | Mil. Spec. | Pkg. Qty. | Pkg. | |||
High-Strength Cadmium-Plated Steel | |||||||||||
4-40 | |||||||||||
| 5/16" | 3/16" | 1/16" | Partially Threaded | Coarse | 160,000 | NAS1801-04-5 | 10 | 90046A101 | 000000 | ||
| 1/2" | 3/16" | 1/16" | Partially Threaded | Coarse | 160,000 | NAS1801-04-8 | 10 | 90046A102 | 00000 | ||
| 5/8" | 3/16" | 1/16" | Partially Threaded | Coarse | 160,000 | NAS1801-04-10 | 10 | 90046A103 | 00000 | ||
| 3/4" | 3/16" | 1/16" | Partially Threaded | Coarse | 160,000 | NAS1801-04-12 | 10 | 90046A104 | 00000 | ||
| 1" | 3/16" | 1/16" | Partially Threaded | Coarse | 160,000 | NAS1801-04-16 | 1 | 90046A105 | 0000 | ||
6-32 | |||||||||||
| 3/8" | 1/4" | 3/32" | Partially Threaded | Coarse | 160,000 | NAS1801-06-6 | 1 | 90046A106 | 0000 | ||
| 1/2" | 1/4" | 3/32" | Partially Threaded | Coarse | 160,000 | NAS1801-06-8 | 10 | 90046A107 | 00000 | ||
| 3/4" | 1/4" | 3/32" | Partially Threaded | Coarse | 160,000 | NAS1801-06-12 | 5 | 90046A108 | 00000 | ||
8-32 | |||||||||||
| 3/8" | 1/4" | 3/32" | Partially Threaded | Coarse | 160,000 | NAS1801-08-6 | 25 | 90046A109 | 00000 | ||
| 1/2" | 1/4" | 3/32" | Partially Threaded | Coarse | 160,000 | NAS1801-08-8 | 25 | 90046A111 | 00000 | ||
| 5/8" | 1/4" | 3/32" | Partially Threaded | Coarse | 160,000 | NAS1801-08-10 | 10 | 90046A112 | 00000 | ||
| 3/4" | 1/4" | 3/32" | Partially Threaded | Coarse | 160,000 | NAS1801-08-12 | 5 | 90046A113 | 00000 | ||
| 1" | 1/4" | 3/32" | Partially Threaded | Coarse | 160,000 | NAS1801-08-16 | 5 | 90046A114 | 0000 | ||
10-32 | |||||||||||
| 3/8" | 5/16" | 1/8" | Partially Threaded | Fine | 160,000 | NAS1801-3-6 | 10 | 90046A115 | 0000 | ||
| 1/2" | 5/16" | 1/8" | Partially Threaded | Fine | 160,000 | NAS1801-3-8 | 10 | 90046A116 | 00000 | ||
| 5/8" | 5/16" | 1/8" | Partially Threaded | Fine | 160,000 | NAS1801-3-10 | 10 | 90046A117 | 00000 | ||
| 3/4" | 5/16" | 1/8" | Partially Threaded | Fine | 160,000 | NAS1801-3-12 | 25 | 90046A118 | 00000 | ||
| 1" | 5/16" | 1/8" | Partially Threaded | Fine | 160,000 | NAS1801-3-16 | 10 | 90046A119 | 00000 | ||
| 1 1/2" | 5/16" | 1/8" | Partially Threaded | Fine | 160,000 | NAS1801-3-24 | 5 | 90046A121 | 00000 | ||
1/4"-28 | |||||||||||
| 5/8" | 3/8" | 1/4" | Partially Threaded | Fine | 160,000 | NAS1801-4-10 | 1 | 90046A122 | 0000 | ||
| 3/4" | 3/8" | 1/4" | Partially Threaded | Fine | 160,000 | NAS1801-4-12 | 1 | 90046A123 | 00000 | ||
| 1" | 3/8" | 1/4" | Partially Threaded | Fine | 160,000 | NAS1801-4-16 | 1 | 90046A124 | 00000 | ||
| 1 1/4" | 3/8" | 1/4" | Partially Threaded | Fine | 160,000 | NAS1801-4-20 | 1 | 90046A125 | 0000 | ||
Stainless Steel Flanged Phillips Hex Head Screws
 |
A Phillips screwdriver turns these corrosion-resistant screws in spaces where wrenches won't fit. They have a flange that spreads pressure over a wide area to protect thin and soft materials. When using a wrench or socket, the head's six flat sides prevent slipping and rounding off the drive.
Head height includes the flange. Length is measured from under the flange.
18-8 Stainless Steel—The choice for wet and outdoor environments, these screws won't rust. However, they don't hold up to the harsh chemicals that 316 stainless steel screws can.
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Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Wd. | Ht. | Flange Dia. | Threading | Thread Spacing | Tensile Strength, psi | Pkg. Qty. | Pkg. | |||
18-8 Stainless Steel | |||||||||||
8-32 | |||||||||||
| 3/8" | 1/4" | 9/64" | 11/32" | Fully Threaded | Coarse | 80,000 | 25 | 94442A110 | 000000 | ||
| 1/2" | 1/4" | 9/64" | 11/32" | Fully Threaded | Coarse | 80,000 | 25 | 94442A120 | 0000 | ||
| 3/4" | 1/4" | 9/64" | 11/32" | Fully Threaded | Coarse | 80,000 | 25 | 94442A130 | 0000 | ||
10-24 | |||||||||||
| 1/2" | 5/16" | 5/32" | 13/32" | Fully Threaded | Coarse | 80,000 | 25 | 94442A140 | 00000 | ||
| 3/4" | 5/16" | 5/32" | 13/32" | Fully Threaded | Coarse | 80,000 | 25 | 94442A150 | 00000 | ||
10-32 | |||||||||||
| 3/8" | 5/16" | 5/32" | 13/32" | Fully Threaded | Fine | 80,000 | 25 | 94442A160 | 0000 | ||
| 1/2" | 5/16" | 5/32" | 13/32" | Fully Threaded | Fine | 80,000 | 25 | 94442A170 | 00000 | ||
| 3/4" | 5/16" | 5/32" | 13/32" | Fully Threaded | Fine | 80,000 | 25 | 94442A180 | 00000 | ||
1/4"-20 | |||||||||||
| 3/8" | 3/8" | 15/64" | 33/64" | Fully Threaded | Coarse | 80,000 | 10 | 94442A190 | 00000 | ||
| 1/2" | 3/8" | 15/64" | 33/64" | Fully Threaded | Coarse | 80,000 | 10 | 94442A210 | 00000 | ||
| 5/8" | 3/8" | 15/64" | 33/64" | Fully Threaded | Coarse | 80,000 | 10 | 94442A220 | 00000 | ||
| 3/4" | 3/8" | 15/64" | 33/64" | Fully Threaded | Coarse | 80,000 | 10 | 94442A230 | 00000 | ||
Fastener Assortments
 |
Keep a variety of common screws, nuts, and washers on hand.
Zinc-Plated Steel—Zinc-plated steel fasteners resist corrosion in wet environments.
Black-Oxide Steel—Black-oxide steel fasteners resist corrosion in dry environments.
18-8 Stainless Steel—18-8 stainless steel fasteners are chemical resistant and may be mildly magnetic.
No. of Pieces | Includes | Drive Style | Specs. Met | Container Type | Each | |||
|---|---|---|---|---|---|---|---|---|
Zinc-Plated Steel, Black-Oxide Steel | ||||||||
| 3,345 | 90 Socket Head Screws (6-32 to 5/8"-11) 100 Ring, Spade, and Butt Connectors 480 Rounded Head Screws (6-32 to 1/4"-20) 490 Flat Washers (For No. 6 to 1/4" Screw Sizes) 490 Hex Nuts (6-32 to 1/4"-20) 490 Lock Washers (For No. 6 to 1/4" Screw Sizes) 500 Wood Screws (No. 4 to No. 8) 705 Rounded Head Sheet Metal Screws (No. 4 to No. 14) | Hex, Phillips, Slotted | — | Plastic Cabinet | 92250A680 | 0000000 | ||
| 7,060 | 1,225 Flat Washers (For M4 to M12 Screw Sizes) 1,475 Hex Nuts (M3 to M12) 1,600 Lock Washers (For M3 to M12 Screw Sizes) 60 Set Screws (M4 to M6) 570 Socket Head Screws (M4 to M12) 580 Hex Head Screws (M4 to M12) 750 Rounded Head Screws (M3 to M6) 800 Spring Lock Washers (For M4 to M8 Screw Sizes) | External Hex, Hex, Phillips | DIN 125, DIN 127B, DIN 7985, DIN 912, DIN 916, DIN 933, DIN 934 | Metal Drawer Cabinet | 91284A214 | 00000000 | ||
18-8 Stainless Steel | ||||||||
| 7,060 | 1,225 Flat Washers (For M4 to M12 Screw Sizes) 1,475 Hex Nuts (M3 to M12) 1,600 Lock Washers (For M3 to M12 Screw Sizes) 60 Set Screws (M4 to M6) 570 Socket Head Screws (M4 to M12) 580 Hex Head Screws (M4 to M12) 750 Rounded Head Screws (M3 to M6) 800 Spring Lock Washers (For M4 to M8 Screw Sizes) | External Hex, Hex, Phillips | DIN 125, DIN 127B, DIN 7985, DIN 912, DIN 916, DIN 933, DIN 934 | Metal Drawer Cabinet | 91284A376 | 00000000 | ||
Steel Serrated-Flange Phillips Hex Head Screws
 |
If there isn't room for a wrench, you can slip a screwdriver into the Phillips drive of these screws. They have a flange with a serrated edge to keep them in place, even under vibration. When using a wrench or socket, the head's six flat sides prevent slipping and rounding off the drive.
Head height includes the flange. Length is measured from under the flange.
Low-Strength Fastener—Suitable for light duty applications, such as securing access panels. These screws have a tensile strength of 60,000 psi and lower.
Zinc-Plated Steel—A common choice for areas with occasional exposure to moisture.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Wd. | Ht. | Flange Dia. | Threading | Thread Spacing | Tensile Strength, psi | Pkg. Qty. | Pkg. | |||
Low-Strength Zinc-Plated Steel | |||||||||||
8-32 | |||||||||||
| 1/4" | 1/4" | 9/64" | 11/32" | Fully Threaded | Coarse | 60,000 | 100 | 94491A110 | 000000 | ||
| 3/8" | 1/4" | 9/64" | 11/32" | Fully Threaded | Coarse | 60,000 | 100 | 94491A120 | 00000 | ||
10-24 | |||||||||||
| 3/8" | 5/16" | 5/32" | 13/32" | Fully Threaded | Coarse | 60,000 | 100 | 94491A130 | 00000 | ||
| 1/2" | 5/16" | 5/32" | 13/32" | Fully Threaded | Coarse | 60,000 | 100 | 94491A140 | 00000 | ||
| 3/4" | 5/16" | 5/32" | 13/32" | Fully Threaded | Coarse | 60,000 | 50 | 94491A150 | 0000 | ||
10-32 | |||||||||||
| 3/8" | 5/16" | 5/32" | 13/32" | Fully Threaded | Fine | 60,000 | 50 | 94491A160 | 0000 | ||
| 1/2" | 5/16" | 5/32" | 13/32" | Fully Threaded | Fine | 60,000 | 50 | 94491A170 | 0000 | ||
| 3/4" | 5/16" | 5/32" | 13/32" | Fully Threaded | Fine | 60,000 | 50 | 94491A180 | 0000 | ||
1/4"-20 | |||||||||||
| 1/2" | 3/8" | 15/64" | 33/64" | Fully Threaded | Coarse | 60,000 | 50 | 94491A190 | 00000 | ||
| 3/4" | 3/8" | 15/64" | 33/64" | Fully Threaded | Coarse | 60,000 | 25 | 94491A210 | 0000 | ||
| 1" | 3/8" | 15/64" | 33/64" | Fully Threaded | Coarse | 60,000 | 25 | 94491A220 | 0000 | ||
| 1 1/4" | 3/8" | 15/64" | 33/64" | Fully Threaded | Coarse | 60,000 | 25 | 94491A230 | 0000 | ||
Steel Flanged Phillips Hex Head Screws
 |
Slip a screwdriver into the Phillips drive to turn these screws when there isn't room to use a wrench. They have a flange that spreads pressure over a wide area to protect thin and soft materials. When using a wrench or socket, the head's six flat sides prevent slipping and rounding off the drive.
Head height includes the flange. Length is measured from under the flange.
Low-Strength Fastener—Suitable for light duty applications, such as securing access panels. These screws have a tensile strength of 60,000 psi and lower.
Zinc-Plated Steel—A common choice for areas with occasional exposure to moisture.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Wd. | Ht. | Flange Dia. | Threading | Thread Spacing | Tensile Strength, psi | Pkg. Qty. | Pkg. | |||
Low-Strength Zinc-Plated Steel | |||||||||||
10-24 | |||||||||||
| 3/8" | 5/16" | 5/32" | 13/32" | Fully Threaded | Coarse | 60,000 | 50 | 94468A111 | 00000 | ||
| 3/4" | 5/16" | 5/32" | 13/32" | Fully Threaded | Coarse | 60,000 | 50 | 94468A112 | 00000 | ||
| 1" | 5/16" | 5/32" | 13/32" | Fully Threaded | Coarse | 60,000 | 25 | 94468A113 | 0000 | ||
10-32 | |||||||||||
| 1/2" | 5/16" | 5/32" | 13/32" | Fully Threaded | Fine | 60,000 | 50 | 94468A114 | 0000 | ||
| 3/4" | 5/16" | 5/32" | 13/32" | Fully Threaded | Fine | 60,000 | 50 | 94468A115 | 00000 | ||
| 1" | 5/16" | 5/32" | 13/32" | Fully Threaded | Fine | 60,000 | 25 | 94468A116 | 0000 | ||
1/4"-20 | |||||||||||
| 1/2" | 3/8" | 15/64" | 33/64" | Fully Threaded | Coarse | 60,000 | 25 | 94468A117 | 00000 | ||
| 3/4" | 3/8" | 15/64" | 33/64" | Fully Threaded | Coarse | 60,000 | 25 | 94468A118 | 00000 | ||
| 1" | 3/8" | 15/64" | 33/64" | Fully Threaded | Coarse | 60,000 | 25 | 94468A119 | 00000 | ||
5/16"-18 | |||||||||||
| 3/4" | 1/2" | 9/32" | 43/64" | Fully Threaded | Coarse | 60,000 | 25 | 94468A121 | 00000 | ||
| 1" | 1/2" | 9/32" | 43/64" | Fully Threaded | Coarse | 60,000 | 25 | 94468A122 | 00000 | ||
| 1 1/4" | 1/2" | 9/32" | 43/64" | Fully Threaded | Coarse | 60,000 | 25 | 94468A123 | 00000 | ||
| 1 1/2" | 1/2" | 9/32" | 43/64" | Fully Threaded | Coarse | 60,000 | 25 | 94468A124 | 00000 | ||
Steel Phillips Flanged Hex Head Thread-Cutting Screws
 |
The combination drive lets you install screws with a Phillips driver or switch to a nutdriver or socket for more torque. Because these screws remove material, they take less effort to install and put less stress on your workpiece than thread-forming screws. The flanged head spreads the load to prevent crushing thin metal.
Length is measured from under the flange. Head height includes the flange.
Zinc-Plated Steel—A common choice for areas with occasional exposure to moisture.
