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Alloy Steel Socket Head Screws
Fully Threaded
Partially Threaded
With a tensile strength of 170,000 psi, these alloy steel screws are stronger than Grade 8 steel screws. Length is measured from under the head.
Coarse threads are the industry standard; choose these screws if you don’t know the pitch or threads per inch. Fine and extra-fine threads are closely spaced to prevent loosening from vibration; the finer the thread, the better the resistance. They are not compatible with coarse threads.
Screws that meet ASTM A574, ASTM A574M, and ISO 898-1 comply with specifications and testing requirements for material quality. Screws that meet ASME B18.3, ASME B18.3.1M, ISO 21269, and ISO 4762 (formerly DIN 912) comply with specifications for dimensional standards.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Min. Thread Lg. | Thread Spacing  | Dia. | Ht. | Drive Size | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
6-32 | |||||||||||
Zinc-Flake-Coated Alloy Steel | |||||||||||
| 1/4" | Fully Threaded | __ | Coarse | 0.226" | 0.138" | 7/64" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 000000 |
| 3/8" | Fully Threaded | __ | Coarse | 0.226" | 0.138" | 7/64" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 00000 |
| 1/2" | Fully Threaded | __ | Coarse | 0.226" | 0.138" | 7/64" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 0000 |
| 5/8" | Fully Threaded | __ | Coarse | 0.226" | 0.138" | 7/64" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 00000 |
| 3/4" | Fully Threaded | __ | Coarse | 0.226" | 0.138" | 7/64" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 00000 |
| 7/8" | Fully Threaded | __ | Coarse | 0.226" | 0.138" | 7/64" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 00000 |
| 1" | Fully Threaded | __ | Coarse | 0.226" | 0.138" | 7/64" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 00000 |
| 1 1/4" | Partially Threaded | 3/4" | Coarse | 0.226" | 0.138" | 7/64" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 00000 |
| 1 1/2" | Partially Threaded | 3/4" | Coarse | 0.226" | 0.138" | 7/64" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 00000 |
| 1 3/4" | Partially Threaded | 3/4" | Coarse | 0.226" | 0.138" | 7/64" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 00000 |
| 2" | Partially Threaded | 3/4" | Coarse | 0.226" | 0.138" | 7/64" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 00000 |
Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Min. Thread Lg. | Thread Spacing | Dia. | Ht. | Drive Size | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
8-32 | |||||||||||
Zinc-Flake-Coated Alloy Steel | |||||||||||
| 1/4" | Fully Threaded | __ | Coarse | 0.27" | 0.164" | 9/64" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 50 | 000000000 | 000000 |
| 3/8" | Fully Threaded | __ | Coarse | 0.27" | 0.164" | 9/64" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 50 | 000000000 | 0000 |
| 1/2" | Fully Threaded | __ | Coarse | 0.27" | 0.164" | 9/64" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 50 | 000000000 | 00000 |
| 5/8" | Fully Threaded | __ | Coarse | 0.27" | 0.164" | 9/64" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 50 | 000000000 | 0000 |
| 3/4" | Fully Threaded | __ | Coarse | 0.27" | 0.164" | 9/64" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 50 | 000000000 | 00000 |
| 7/8" | Fully Threaded | __ | Coarse | 0.27" | 0.164" | 9/64" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 50 | 000000000 | 00000 |
| 1" | Fully Threaded | __ | Coarse | 0.27" | 0.164" | 9/64" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 50 | 000000000 | 00000 |
| 1 1/4" | Partially Threaded | 7/8" | Coarse | 0.27" | 0.164" | 9/64" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 50 | 000000000 | 00000 |
| 1 1/2" | Partially Threaded | 7/8" | Coarse | 0.27" | 0.164" | 9/64" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 0000 |
| 1 3/4" | Partially Threaded | 7/8" | Coarse | 0.27" | 0.164" | 9/64" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 00000 |
| 2" | Partially Threaded | 7/8" | Coarse | 0.27" | 0.164" | 9/64" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 00000 |
| 2 1/2" | Partially Threaded | 7/8" | Coarse | 0.27" | 0.164" | 9/64" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 10 | 000000000 | 00000 |
Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Min. Thread Lg. | Thread Spacing | Dia. | Ht. | Drive Size | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
10-24 | |||||||||||
Zinc-Flake-Coated Alloy Steel | |||||||||||
| 1/4" | Fully Threaded | __ | Coarse | 5/16" | 0.19" | 5/32" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 00000 |
| 3/8" | Fully Threaded | __ | Coarse | 5/16" | 0.19" | 5/32" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 50 | 000000000 | 0000 |
| 1/2" | Fully Threaded | __ | Coarse | 5/16" | 0.19" | 5/32" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 50 | 000000000 | 0000 |
| 5/8" | Fully Threaded | __ | Coarse | 5/16" | 0.19" | 5/32" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 50 | 000000000 | 0000 |
| 3/4" | Fully Threaded | __ | Coarse | 5/16" | 0.19" | 5/32" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 50 | 000000000 | 00000 |
| 7/8" | Fully Threaded | __ | Coarse | 5/16" | 0.19" | 5/32" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 50 | 000000000 | 00000 |
| 1" | Fully Threaded | __ | Coarse | 5/16" | 0.19" | 5/32" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 50 | 000000000 | 0000 |
| 1 1/4" | Partially Threaded | 7/8" | Coarse | 5/16" | 0.19" | 5/32" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 0000 |
| 1 1/2" | Partially Threaded | 7/8" | Coarse | 5/16" | 0.19" | 5/32" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 50 | 000000000 | 00000 |
| 1 3/4" | Partially Threaded | 7/8" | Coarse | 5/16" | 0.19" | 5/32" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 00000 |
| 2" | Partially Threaded | 7/8" | Coarse | 5/16" | 0.19" | 5/32" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 00000 |
| 2 1/4" | Partially Threaded | 7/8" | Coarse | 5/16" | 0.19" | 5/32" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 10 | 000000000 | 00000 |
| 2 1/2" | Partially Threaded | 7/8" | Coarse | 5/16" | 0.19" | 5/32" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 10 | 000000000 | 00000 |
Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Min. Thread Lg. | Thread Spacing | Dia. | Ht. | Drive Size | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
10-32 | |||||||||||
Zinc-Flake-Coated Alloy Steel | |||||||||||
| 3/8" | Fully Threaded | __ | Fine | 5/16" | 0.19" | 5/32" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 50 | 000000000 | 00000 |
| 1/2" | Fully Threaded | __ | Fine | 5/16" | 0.19" | 5/32" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 50 | 000000000 | 0000 |
| 3/4" | Fully Threaded | __ | Fine | 5/16" | 0.19" | 5/32" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 50 | 000000000 | 00000 |
| 1" | Partially Threaded | 7/8" | Fine | 5/16" | 0.19" | 5/32" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 50 | 000000000 | 00000 |
Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Min. Thread Lg. | Thread Spacing | Dia. | Ht. | Drive Size | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
1/4"-20 | |||||||||||
Zinc-Flake-Coated Alloy Steel | |||||||||||
| 1/4" | Fully Threaded | __ | Coarse | 3/8" | 1/4" | 3/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 000000 |
| 3/8" | Fully Threaded | __ | Coarse | 3/8" | 1/4" | 3/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 50 | 000000000 | 00000 |
| 1/2" | Fully Threaded | __ | Coarse | 3/8" | 1/4" | 3/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 50 | 000000000 | 00000 |
| 5/8" | Fully Threaded | __ | Coarse | 3/8" | 1/4" | 3/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 50 | 000000000 | 00000 |
| 3/4" | Fully Threaded | __ | Coarse | 3/8" | 1/4" | 3/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 50 | 000000000 | 00000 |
| 7/8" | Fully Threaded | __ | Coarse | 3/8" | 1/4" | 3/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 50 | 000000000 | 00000 |
| 1" | Fully Threaded | __ | Coarse | 3/8" | 1/4" | 3/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 50 | 000000000 | 00000 |
| 1 1/4" | Fully Threaded | __ | Coarse | 3/8" | 1/4" | 3/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 50 | 000000000 | 00000 |
| 1 1/2" | Partially Threaded | 1" | Coarse | 3/8" | 1/4" | 3/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 0000 |
| 1 3/4" | Partially Threaded | 1" | Coarse | 3/8" | 1/4" | 3/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 00000 |
| 2" | Partially Threaded | 1" | Coarse | 3/8" | 1/4" | 3/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 00000 |
| 2 1/4" | Partially Threaded | 1" | Coarse | 3/8" | 1/4" | 3/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 00000 |
| 2 1/2" | Partially Threaded | 1" | Coarse | 3/8" | 1/4" | 3/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 00000 |
| 2 3/4" | Partially Threaded | 1" | Coarse | 3/8" | 1/4" | 3/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 10 | 000000000 | 0000 |
| 3" | Partially Threaded | 1" | Coarse | 3/8" | 1/4" | 3/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 10 | 000000000 | 0000 |
| 3 1/4" | Partially Threaded | 1" | Coarse | 3/8" | 1/4" | 3/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 10 | 000000000 | 00000 |
| 3 1/2" | Partially Threaded | 1" | Coarse | 3/8" | 1/4" | 3/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 10 | 000000000 | 00000 |
| 3 3/4" | Partially Threaded | 1" | Coarse | 3/8" | 1/4" | 3/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 10 | 000000000 | 00000 |
| 4" | Partially Threaded | 1" | Coarse | 3/8" | 1/4" | 3/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 10 | 000000000 | 00000 |
Head | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Thread Spacing | Dia. | Ht. | Drive Size | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
1/4"-28 | ||||||||||
Zinc-Flake-Coated Alloy Steel | ||||||||||
| 3/8" | Fully Threaded | Fine | 3/8" | 1/4" | 3/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 50 | 000000000 | 000000 |
| 1/2" | Fully Threaded | Fine | 3/8" | 1/4" | 3/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 50 | 000000000 | 00000 |
| 3/4" | Fully Threaded | Fine | 3/8" | 1/4" | 3/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 50 | 000000000 | 00000 |
| 1" | Fully Threaded | Fine | 3/8" | 1/4" | 3/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 50 | 000000000 | 00000 |
Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Min. Thread Lg. | Thread Spacing | Dia. | Ht. | Drive Size | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
5/16"-18 | |||||||||||
Zinc-Flake-Coated Alloy Steel | |||||||||||
| 3/8" | Fully Threaded | __ | Coarse | 15/32" | 5/16" | 1/4" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 000000 |
| 1/2" | Fully Threaded | __ | Coarse | 15/32" | 5/16" | 1/4" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 0000 |
| 5/8" | Fully Threaded | __ | Coarse | 15/32" | 5/16" | 1/4" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 0000 |
| 3/4" | Fully Threaded | __ | Coarse | 15/32" | 5/16" | 1/4" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 0000 |
| 7/8" | Fully Threaded | __ | Coarse | 15/32" | 5/16" | 1/4" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 00000 |
| 1" | Fully Threaded | __ | Coarse | 15/32" | 5/16" | 1/4" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 00000 |
| 1 1/4" | Fully Threaded | __ | Coarse | 15/32" | 5/16" | 1/4" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 0000 |
| 1 1/2" | Fully Threaded | __ | Coarse | 15/32" | 5/16" | 1/4" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 00000 |
| 1 3/4" | Partially Threaded | 1 1/8" | Coarse | 15/32" | 5/16" | 1/4" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 00000 |
| 2" | Partially Threaded | 1 1/8" | Coarse | 15/32" | 5/16" | 1/4" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 00000 |
| 2 1/4" | Partially Threaded | 1 1/8" | Coarse | 15/32" | 5/16" | 1/4" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 10 | 000000000 | 0000 |
| 2 1/2" | Partially Threaded | 1 1/8" | Coarse | 15/32" | 5/16" | 1/4" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 10 | 000000000 | 00000 |
| 2 3/4" | Partially Threaded | 1 1/8" | Coarse | 15/32" | 5/16" | 1/4" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 10 | 000000000 | 0000 |
| 3" | Partially Threaded | 1 1/8" | Coarse | 15/32" | 5/16" | 1/4" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 10 | 000000000 | 00000 |
| 3 1/4" | Partially Threaded | 1 1/8" | Coarse | 15/32" | 5/16" | 1/4" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 10 | 000000000 | 00000 |
| 3 1/2" | Partially Threaded | 1 1/8" | Coarse | 15/32" | 5/16" | 1/4" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 10 | 000000000 | 00000 |
| 4" | Partially Threaded | 1 1/8" | Coarse | 15/32" | 5/16" | 1/4" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 5 | 000000000 | 00000 |
Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Min. Thread Lg. | Thread Spacing | Dia. | Ht. | Drive Size | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
3/8"-16 | |||||||||||
Zinc-Flake-Coated Alloy Steel | |||||||||||
| 1/2" | Fully Threaded | __ | Coarse | 9/16" | 3/8" | 5/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 000000 |
| 5/8" | Fully Threaded | __ | Coarse | 9/16" | 3/8" | 5/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 00000 |
| 3/4" | Fully Threaded | __ | Coarse | 9/16" | 3/8" | 5/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 00000 |
| 7/8" | Fully Threaded | __ | Coarse | 9/16" | 3/8" | 5/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 00000 |
| 1" | Fully Threaded | __ | Coarse | 9/16" | 3/8" | 5/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 00000 |
| 1 1/4" | Fully Threaded | __ | Coarse | 9/16" | 3/8" | 5/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 25 | 000000000 | 00000 |
| 1 1/2" | Fully Threaded | __ | Coarse | 9/16" | 3/8" | 5/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 10 | 000000000 | 0000 |
| 1 3/4" | Partially Threaded | 1 1/4" | Coarse | 9/16" | 3/8" | 5/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 10 | 000000000 | 0000 |
| 2" | Partially Threaded | 1 1/4" | Coarse | 9/16" | 3/8" | 5/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 10 | 000000000 | 0000 |
| 2 1/4" | Partially Threaded | 1 1/4" | Coarse | 9/16" | 3/8" | 5/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 10 | 000000000 | 00000 |
| 2 1/2" | Partially Threaded | 1 1/4" | Coarse | 9/16" | 3/8" | 5/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 10 | 000000000 | 00000 |
| 2 3/4" | Partially Threaded | 1 1/4" | Coarse | 9/16" | 3/8" | 5/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 10 | 000000000 | 00000 |
| 3" | Partially Threaded | 1 1/4" | Coarse | 9/16" | 3/8" | 5/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 10 | 000000000 | 00000 |
| 3 1/4" | Partially Threaded | 1 1/4" | Coarse | 9/16" | 3/8" | 5/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 5 | 000000000 | 0000 |
| 3 1/2" | Partially Threaded | 1 1/4" | Coarse | 9/16" | 3/8" | 5/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 5 | 000000000 | 0000 |
| 4" | Partially Threaded | 1 1/4" | Coarse | 9/16" | 3/8" | 5/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 5 | 000000000 | 00000 |
| 4 1/2" | Partially Threaded | 1 1/4" | Coarse | 9/16" | 3/8" | 5/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 5 | 000000000 | 00000 |
| 5" | Partially Threaded | 1 1/4" | Coarse | 9/16" | 3/8" | 5/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 5 | 000000000 | 00000 |
| 5 1/2" | Partially Threaded | 1 1/4" | Coarse | 9/16" | 3/8" | 5/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 1 | 000000000 | 0000 |
| 6" | Partially Threaded | 1 1/4" | Coarse | 9/16" | 3/8" | 5/16" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 1 | 000000000 | 0000 |
Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Min. Thread Lg. | Thread Spacing | Dia. | Ht. | Drive Size | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
7/16"-14 | |||||||||||
Zinc-Flake-Coated Alloy Steel | |||||||||||
| 5/8" | Fully Threaded | __ | Coarse | 21/32" | 7/16" | 3/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 10 | 000000000 | 000000 |
| 1" | Fully Threaded | __ | Coarse | 21/32" | 7/16" | 3/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 5 | 000000000 | 0000 |
| 1 1/4" | Fully Threaded | __ | Coarse | 21/32" | 7/16" | 3/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 10 | 000000000 | 00000 |
| 1 1/2" | Fully Threaded | __ | Coarse | 21/32" | 7/16" | 3/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 10 | 000000000 | 00000 |
| 1 3/4" | Fully Threaded | __ | Coarse | 21/32" | 7/16" | 3/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 10 | 000000000 | 00000 |
| 2" | Partially Threaded | 1 3/8" | Coarse | 21/32" | 7/16" | 3/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 10 | 000000000 | 00000 |
| 2 1/4" | Partially Threaded | 1 3/8" | Coarse | 21/32" | 7/16" | 3/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 5 | 000000000 | 00000 |
| 2 1/2" | Partially Threaded | 1 3/8" | Coarse | 21/32" | 7/16" | 3/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 5 | 000000000 | 00000 |
| 3" | Partially Threaded | 1 3/8" | Coarse | 21/32" | 7/16" | 3/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 5 | 000000000 | 00000 |
| 3 1/2" | Partially Threaded | 1 3/8" | Coarse | 21/32" | 7/16" | 3/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 5 | 000000000 | 00000 |
| 4" | Partially Threaded | 1 3/8" | Coarse | 21/32" | 7/16" | 3/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 5 | 000000000 | 00000 |
Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Min. Thread Lg. | Thread Spacing | Dia. | Ht. | Drive Size | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
1/2"-13 | |||||||||||
Zinc-Flake-Coated Alloy Steel | |||||||||||
| 1/2" | Fully Threaded | __ | Coarse | 3/4" | 1/2" | 3/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 10 | 000000000 | 000000 |
| 5/8" | Fully Threaded | __ | Coarse | 3/4" | 1/2" | 3/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 5 | 000000000 | 00000 |
| 3/4" | Fully Threaded | __ | Coarse | 3/4" | 1/2" | 3/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 10 | 000000000 | 00000 |
| 7/8" | Fully Threaded | __ | Coarse | 3/4" | 1/2" | 3/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 10 | 000000000 | 00000 |
| 1" | Fully Threaded | __ | Coarse | 3/4" | 1/2" | 3/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 10 | 000000000 | 00000 |
| 1 1/4" | Fully Threaded | __ | Coarse | 3/4" | 1/2" | 3/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 10 | 000000000 | 00000 |
| 1 1/2" | Fully Threaded | __ | Coarse | 3/4" | 1/2" | 3/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 10 | 000000000 | 00000 |
| 1 3/4" | Fully Threaded | __ | Coarse | 3/4" | 1/2" | 3/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 10 | 000000000 | 00000 |
| 2" | Fully Threaded | __ | Coarse | 3/4" | 1/2" | 3/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 10 | 000000000 | 00000 |
| 2 1/4" | Partially Threaded | 1 1/2" | Coarse | 3/4" | 1/2" | 3/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 5 | 000000000 | 0000 |
| 2 1/2" | Partially Threaded | 1 1/2" | Coarse | 3/4" | 1/2" | 3/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 5 | 000000000 | 0000 |
| 2 3/4" | Partially Threaded | 1 1/2" | Coarse | 3/4" | 1/2" | 3/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 5 | 000000000 | 00000 |
| 3" | Partially Threaded | 1 1/2" | Coarse | 3/4" | 1/2" | 3/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 5 | 000000000 | 00000 |
| 3 1/4" | Partially Threaded | 1 1/2" | Coarse | 3/4" | 1/2" | 3/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 5 | 000000000 | 00000 |
| 3 1/2" | Partially Threaded | 1 1/2" | Coarse | 3/4" | 1/2" | 3/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 5 | 000000000 | 00000 |
| 3 3/4" | Partially Threaded | 1 1/2" | Coarse | 3/4" | 1/2" | 3/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 1 | 000000000 | 0000 |
| 4" | Partially Threaded | 1 1/2" | Coarse | 3/4" | 1/2" | 3/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 5 | 000000000 | 00000 |
| 4 1/2" | Partially Threaded | 1 1/2" | Coarse | 3/4" | 1/2" | 3/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 1 | 000000000 | 0000 |
| 5" | Partially Threaded | 1 1/2" | Coarse | 3/4" | 1/2" | 3/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 1 | 000000000 | 0000 |
| 5 1/2" | Partially Threaded | 1 1/2" | Coarse | 3/4" | 1/2" | 3/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 1 | 000000000 | 0000 |
| 6" | Partially Threaded | 1 1/2" | Coarse | 3/4" | 1/2" | 3/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 1 | 000000000 | 0000 |
| 6 1/2" | Partially Threaded | 1 1/2" | Coarse | 3/4" | 1/2" | 3/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 1 | 000000000 | 0000 |
| 7" | Partially Threaded | 1 1/2" | Coarse | 3/4" | 1/2" | 3/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 1 | 000000000 | 0000 |
| 8" | Partially Threaded | 1 1/2" | Coarse | 3/4" | 1/2" | 3/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 1 | 000000000 | 00000 |
Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Min. Thread Lg. | Thread Spacing | Dia. | Ht. | Drive Size | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
5/8"-11 | |||||||||||
Zinc-Flake-Coated Alloy Steel | |||||||||||
| 1" | Fully Threaded | __ | Coarse | 15/16" | 5/8" | 1/2" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 5 | 000000000 | 000000 |
| 1 1/4" | Fully Threaded | __ | Coarse | 15/16" | 5/8" | 1/2" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 5 | 000000000 | 00000 |
| 1 1/2" | Fully Threaded | __ | Coarse | 15/16" | 5/8" | 1/2" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 5 | 000000000 | 00000 |
| 1 3/4" | Fully Threaded | __ | Coarse | 15/16" | 5/8" | 1/2" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 5 | 000000000 | 00000 |
| 2" | Partially Threaded | 1 3/4" | Coarse | 15/16" | 5/8" | 1/2" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 5 | 000000000 | 00000 |
Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Min. Thread Lg. | Thread Spacing | Dia. | Ht. | Drive Size | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
3/4"-10 | |||||||||||
Zinc-Flake-Coated Alloy Steel | |||||||||||
| 1 1/2" | Fully Threaded | __ | Coarse | 1 1/8" | 3/4" | 5/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 1 | 000000000 | 00000 |
| 1 3/4" | Fully Threaded | __ | Coarse | 1 1/8" | 3/4" | 5/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 1 | 000000000 | 0000 |
| 2" | Fully Threaded | __ | Coarse | 1 1/8" | 3/4" | 5/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 1 | 000000000 | 0000 |
| 2 1/2" | Partially Threaded | 2" | Coarse | 1 1/8" | 3/4" | 5/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 1 | 000000000 | 0000 |
| 3" | Partially Threaded | 2" | Coarse | 1 1/8" | 3/4" | 5/8" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 1 | 000000000 | 0000 |
Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Min. Thread Lg. | Thread Spacing | Dia. | Ht. | Drive Size | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
1"-8 | |||||||||||
Zinc-Flake-Coated Alloy Steel | |||||||||||
| 2" | Fully Threaded | __ | Coarse | 1 1/2" | 1" | 3/4" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 1 | 000000000 | 00000 |
| 3" | Partially Threaded | 2 1/2" | Coarse | 1 1/2" | 1" | 3/4" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 1 | 000000000 | 00000 |
| 4" | Partially Threaded | 2 1/2" | Coarse | 1 1/2" | 1" | 3/4" | 170,000 | ASME B18.3, ASTM A574, ASTM B117 | 1 | 000000000 | 00000 |
Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg., mm | Threading | Min. Thread Lg., mm | Thread Spacing | Dia., mm | Ht., mm | Drive Size, mm | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
M3 × 0.5 mm | |||||||||||
Zinc-Flake-Coated Class 12.9 Alloy Steel | |||||||||||
| 5 | Fully Threaded | __ | Coarse | 5.5 | 3 | 2.5 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 50 | 000000000 | 00000 |
| 6 | Fully Threaded | __ | Coarse | 5.5 | 3 | 2.5 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 50 | 000000000 | 0000 |
| 8 | Fully Threaded | __ | Coarse | 5.5 | 3 | 2.5 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 50 | 000000000 | 0000 |
| 10 | Fully Threaded | __ | Coarse | 5.5 | 3 | 2.5 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 50 | 000000000 | 0000 |
| 12 | Fully Threaded | __ | Coarse | 5.5 | 3 | 2.5 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 50 | 000000000 | 0000 |
| 16 | Fully Threaded | __ | Coarse | 5.5 | 3 | 2.5 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 50 | 000000000 | 0000 |
| 20 | Fully Threaded | __ | Coarse | 5.5 | 3 | 2.5 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 50 | 000000000 | 0000 |
| 25 | Partially Threaded | 18 | Coarse | 5.5 | 3 | 2.5 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 25 | 000000000 | 0000 |
Head | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Lg., mm | Threading | Thread Spacing | Dia., mm | Ht., mm | Drive Size, mm | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
M4 × 0.7 mm | ||||||||||
Zinc-Flake-Coated Class 12.9 Alloy Steel | ||||||||||
| 5 | Fully Threaded | Coarse | 7 | 4 | 3 mm | 170,000 | ASTM B117, DIN 912, ISO 4762 | 50 | 000000000 | 00000 |
| 6 | Fully Threaded | Coarse | 7 | 4 | 3 mm | 170,000 | ASTM B117, DIN 912, ISO 4762 | 50 | 000000000 | 0000 |
| 8 | Fully Threaded | Coarse | 7 | 4 | 3 mm | 170,000 | ASTM B117, DIN 912, ISO 4762 | 50 | 000000000 | 0000 |
| 10 | Fully Threaded | Coarse | 7 | 4 | 3 mm | 170,000 | ASTM B117, DIN 912, ISO 4762 | 50 | 000000000 | 0000 |
| 12 | Fully Threaded | Coarse | 7 | 4 | 3 mm | 170,000 | ASTM B117, DIN 912, ISO 4762 | 50 | 000000000 | 0000 |
| 16 | Fully Threaded | Coarse | 7 | 4 | 3 mm | 170,000 | ASTM B117, DIN 912, ISO 4762 | 50 | 000000000 | 0000 |
| 20 | Fully Threaded | Coarse | 7 | 4 | 3 mm | 170,000 | ASTM B117, DIN 912, ISO 4762 | 50 | 000000000 | 0000 |
| 25 | Fully Threaded | Coarse | 7 | 4 | 3 mm | 170,000 | ASTM B117, DIN 912, ISO 4762 | 25 | 000000000 | 0000 |
Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg., mm | Threading | Min. Thread Lg., mm | Thread Spacing | Dia., mm | Ht., mm | Drive Size, mm | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
M5 × 0.8 mm | |||||||||||
Zinc-Flake-Coated Class 12.9 Alloy Steel | |||||||||||
| 6 | Fully Threaded | __ | Coarse | 8.5 | 5 | 4 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 50 | 000000000 | 00000 |
| 8 | Fully Threaded | __ | Coarse | 8.5 | 5 | 4 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 50 | 000000000 | 0000 |
| 10 | Fully Threaded | __ | Coarse | 8.5 | 5 | 4 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 50 | 000000000 | 0000 |
| 12 | Fully Threaded | __ | Coarse | 8.5 | 5 | 4 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 50 | 000000000 | 0000 |
| 16 | Fully Threaded | __ | Coarse | 8.5 | 5 | 4 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 50 | 000000000 | 0000 |
| 20 | Fully Threaded | __ | Coarse | 8.5 | 5 | 4 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 50 | 000000000 | 0000 |
| 25 | Fully Threaded | __ | Coarse | 8.5 | 5 | 4 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 50 | 000000000 | 0000 |
| 30 | Partially Threaded | 22 | Coarse | 8.5 | 5 | 4 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 50 | 000000000 | 0000 |
Head | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Lg., mm | Threading | Thread Spacing | Dia., mm | Ht., mm | Drive Size, mm | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
M6 × 1 mm | ||||||||||
Zinc-Flake-Coated Class 12.9 Alloy Steel | ||||||||||
| 8 | Fully Threaded | Coarse | 10 | 6 | 5 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 25 | 000000000 | 00000 |
| 10 | Fully Threaded | Coarse | 10 | 6 | 5 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 50 | 000000000 | 0000 |
| 12 | Fully Threaded | Coarse | 10 | 6 | 5 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 50 | 000000000 | 0000 |
| 16 | Fully Threaded | Coarse | 10 | 6 | 5 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 50 | 000000000 | 0000 |
| 20 | Fully Threaded | Coarse | 10 | 6 | 5 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 50 | 000000000 | 0000 |
| 25 | Fully Threaded | Coarse | 10 | 6 | 5 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 50 | 000000000 | 0000 |
| 30 | Fully Threaded | Coarse | 10 | 6 | 5 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 50 | 000000000 | 0000 |
Head | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg., mm | Threading | Min. Thread Lg., mm | Thread Spacing | Dia., mm | Ht., mm | Drive Size, mm | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
M8 × 1.25 mm | |||||||||||
Zinc-Flake-Coated Class 12.9 Alloy Steel | |||||||||||
| 12 | Fully Threaded | __ | Coarse | 13 | 8 | 6 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 25 | 000000000 | 00000 |
| 16 | Fully Threaded | __ | Coarse | 13 | 8 | 6 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 25 | 000000000 | 0000 |
| 20 | Fully Threaded | __ | Coarse | 13 | 8 | 6 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 25 | 000000000 | 0000 |
| 25 | Fully Threaded | __ | Coarse | 13 | 8 | 6 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 25 | 000000000 | 0000 |
| 30 | Fully Threaded | __ | Coarse | 13 | 8 | 6 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 25 | 000000000 | 0000 |
| 35 | Fully Threaded | __ | Coarse | 13 | 8 | 6 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 25 | 000000000 | 00000 |
| 40 | Partially Threaded | 28 | Coarse | 13 | 8 | 6 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 10 | 000000000 | 0000 |
Head | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Lg., mm | Threading | Thread Spacing | Dia., mm | Ht., mm | Drive Size, mm | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
M10 × 1.5 mm | ||||||||||
Zinc-Flake-Coated Class 12.9 Alloy Steel | ||||||||||
| 16 | Fully Threaded | Coarse | 16 | 10 | 8 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 25 | 000000000 | 000000 |
| 20 | Fully Threaded | Coarse | 16 | 10 | 8 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 10 | 000000000 | 0000 |
| 25 | Fully Threaded | Coarse | 16 | 10 | 8 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 10 | 000000000 | 0000 |
| 30 | Fully Threaded | Coarse | 16 | 10 | 8 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 10 | 000000000 | 0000 |
| 35 | Fully Threaded | Coarse | 16 | 10 | 8 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 10 | 000000000 | 0000 |
| 40 | Fully Threaded | Coarse | 16 | 10 | 8 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 10 | 000000000 | 0000 |
Head | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Lg., mm | Threading | Thread Spacing | Dia., mm | Ht., mm | Drive Size, mm | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
M12 × 1.75 mm | ||||||||||
Zinc-Flake-Coated Class 12.9 Alloy Steel | ||||||||||
| 20 | Fully Threaded | Coarse | 18 | 12 | 10 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 10 | 000000000 | 00000 |
| 25 | Fully Threaded | Coarse | 18 | 12 | 10 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 10 | 000000000 | 0000 |
| 30 | Fully Threaded | Coarse | 18 | 12 | 10 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 10 | 000000000 | 0000 |
| 40 | Fully Threaded | Coarse | 18 | 12 | 10 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 10 | 000000000 | 00000 |
| 50 | Fully Threaded | Coarse | 18 | 12 | 10 | 170,000 | ASTM B117, DIN 912, ISO 4762 | 5 | 000000000 | 0000 |
Medium-Strength Grade 5 Steel Hex Head Screws
Fully Threaded
Made from Grade 5 steel, these screws are suitable for fastening most machinery and equipment. Dimensions meet ASME B18.2.1 specifications. Grade 5 steel hex head screws are marked with three radial lines. Length is measured from under the head.
Black corrosion-resistant-coated steel screws resist chemicals and withstand 1,000 hours of salt spray per ASTM B117. To maintain corrosion resistance, use these screws with black corrosion-resistant-coated nuts and washers.
Match the thread spacing of mating components. Coarse threads are the industry standard; choose these screws if you don’t know the threads per inch. Screws that meet ASTM A449 or SAE J429 comply with specifications and testing requirements for material quality.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Thread Spacing | Wd. | Ht. | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
Black Corrosion-Resistant-Coated Grade 5 Steel | |||||||||
1/4"-20 | |||||||||
| 1/2" | Fully Threaded | Coarse | 7/16" | 5/32" | 120,000 | ASME B18.2.1, ASTM B117, SAE J429 | 5 | 000000000 | 00000 |
| 5/8" | Fully Threaded | Coarse | 7/16" | 5/32" | 120,000 | ASME B18.2.1, ASTM B117, SAE J429 | 5 | 000000000 | 0000 |
| 3/4" | Fully Threaded | Coarse | 7/16" | 5/32" | 120,000 | ASME B18.2.1, ASTM B117, SAE J429 | 5 | 000000000 | 0000 |
| 1" | Fully Threaded | Coarse | 7/16" | 5/32" | 120,000 | ASME B18.2.1, ASTM B117, SAE J429 | 5 | 000000000 | 0000 |
| 1 1/4" | Fully Threaded | Coarse | 7/16" | 5/32" | 120,000 | ASME B18.2.1, ASTM B117, SAE J429 | 5 | 000000000 | 0000 |
| 1 1/2" | Fully Threaded | Coarse | 7/16" | 5/32" | 120,000 | ASME B18.2.1, ASTM B117, SAE J429 | 5 | 000000000 | 0000 |
| 1 3/4" | Fully Threaded | Coarse | 7/16" | 5/32" | 120,000 | ASME B18.2.1, ASTM B117, SAE J429 | 5 | 000000000 | 0000 |
| 2" | Fully Threaded | Coarse | 7/16" | 5/32" | 120,000 | ASME B18.2.1, ASTM B117, SAE J429 | 5 | 000000000 | 0000 |
5/16"-18 | |||||||||
| 1/2" | Fully Threaded | Coarse | 1/2" | 13/64" | 120,000 | ASME B18.2.1, ASTM B117, SAE J429 | 5 | 000000000 | 0000 |
| 3/4" | Fully Threaded | Coarse | 1/2" | 13/64" | 120,000 | ASME B18.2.1, ASTM B117, SAE J429 | 5 | 000000000 | 0000 |
| 1" | Fully Threaded | Coarse | 1/2" | 13/64" | 120,000 | ASME B18.2.1, ASTM B117, SAE J429 | 5 | 000000000 | 0000 |
| 1 1/4" | Fully Threaded | Coarse | 1/2" | 13/64" | 120,000 | ASME B18.2.1, ASTM B117, SAE J429 | 5 | 000000000 | 0000 |
| 1 1/2" | Fully Threaded | Coarse | 1/2" | 13/64" | 120,000 | ASME B18.2.1, ASTM B117, SAE J429 | 5 | 000000000 | 0000 |
| 1 3/4" | Fully Threaded | Coarse | 1/2" | 13/64" | 120,000 | ASME B18.2.1, ASTM B117, SAE J429 | 5 | 000000000 | 00000 |
| 2" | Fully Threaded | Coarse | 1/2" | 13/64" | 120,000 | ASME B18.2.1, ASTM B117, SAE J429 | 5 | 000000000 | 00000 |
3/8"-16 | |||||||||
| 3/4" | Fully Threaded | Coarse | 9/16" | 15/64" | 120,000 | ASME B18.2.1, ASTM B117, SAE J429 | 5 | 000000000 | 0000 |
| 1" | Fully Threaded | Coarse | 9/16" | 15/64" | 120,000 | ASME B18.2.1, ASTM B117, SAE J429 | 5 | 000000000 | 0000 |
| 1 1/4" | Fully Threaded | Coarse | 9/16" | 15/64" | 120,000 | ASME B18.2.1, ASTM B117, SAE J429 | 5 | 000000000 | 00000 |
| 1 1/2" | Fully Threaded | Coarse | 9/16" | 15/64" | 120,000 | ASME B18.2.1, ASTM B117, SAE J429 | 5 | 000000000 | 00000 |
| 1 3/4" | Fully Threaded | Coarse | 9/16" | 15/64" | 120,000 | ASME B18.2.1, ASTM B117, SAE J429 | 5 | 000000000 | 00000 |
| 2" | Fully Threaded | Coarse | 9/16" | 15/64" | 120,000 | ASME B18.2.1, ASTM B117, SAE J429 | 5 | 000000000 | 00000 |
1/2"-13 | |||||||||
| 1" | Fully Threaded | Coarse | 3/4" | 5/16" | 120,000 | ASME B18.2.1, ASTM B117, SAE J429 | 1 | 000000000 | 0000 |
| 1 1/4" | Fully Threaded | Coarse | 3/4" | 5/16" | 120,000 | ASME B18.2.1, ASTM B117, SAE J429 | 1 | 000000000 | 0000 |
| 1 1/2" | Fully Threaded | Coarse | 3/4" | 5/16" | 120,000 | ASME B18.2.1, ASTM B117, SAE J429 | 1 | 000000000 | 0000 |
| 1 3/4" | Fully Threaded | Coarse | 3/4" | 5/16" | 120,000 | ASME B18.2.1, ASTM B117, SAE J429 | 1 | 000000000 | 0000 |
| 2" | Fully Threaded | Coarse | 3/4" | 5/16" | 120,000 | ASME B18.2.1, ASTM B117, SAE J429 | 1 | 000000000 | 0000 |
| 2 1/4" | Fully Threaded | Coarse | 3/4" | 5/16" | 120,000 | ASME B18.2.1, ASTM B117, SAE J429 | 1 | 000000000 | 0000 |
| 2 1/2" | Fully Threaded | Coarse | 3/4" | 5/16" | 120,000 | ASME B18.2.1, ASTM B117, SAE J429 | 1 | 000000000 | 0000 |