System of Measurement System of Measurement |
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Finish Finish | Show |
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Finish Finish | Hide |
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Material Material |
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Drive Style Drive Style |
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Phillips | Square | External Hex |
Tip Type Tip Type |
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![]() | Pointed |
For Use In For Use In |
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Threading Threading |
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![]() | Partially Threaded |
![]() | Fully Threaded |
![]() | Threaded on Both Ends |
Rounded Head Style Rounded Head Style |
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![]() | Pan |
Head Height Head Height |
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Head Diameter Head Diameter |
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Minimum Thread Length Minimum Thread Length |
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Tapping Method Tapping Method |
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![]() | Thread Forming |
DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Flat Head Profile Flat Head Profile |
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![]() | Standard |
RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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About Tapping Screws
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About Threaded Studs and Rods
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Steel Square-Drive Flat Head Screws for Wood

Beveled under the head for use in countersunk holes, these steel screws press threads into material for a tight, secure hold. To prevent splitting, drill a pilot hole slightly smaller than the screw. Length is measured from the top of the head.
Black-oxide steel screws are mildly corrosion resistant in dry environments.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Dia. | Ht. | Drive Size | Softwood Drill Bit Size | Hardwood Drill Bit Size | Approximate Threads per Inch | Threading | Min. Thread Lg. | Pkg. Qty. | Pkg. | |
Black-Oxide Steel | |||||||||||
No. 6 | |||||||||||
1/2" | 0.262" | 0.083" | No. 1 | 1/16" | 5/64" | 18 | Partially Threaded | 0.333" | 50 | 000000000 | 000000 |
3/4" | 0.262" | 0.083" | No. 1 | 1/16" | 5/64" | 18 | Partially Threaded | 0.5" | 50 | 000000000 | 00000 |
1" | 0.262" | 0.083" | No. 1 | 1/16" | 5/64" | 18 | Partially Threaded | 0.667" | 50 | 000000000 | 00000 |
1 1/4" | 0.262" | 0.083" | No. 1 | 1/16" | 5/64" | 18 | Partially Threaded | 0.833" | 25 | 000000000 | 00000 |
1 1/2" | 0.262" | 0.083" | No. 1 | 1/16" | 5/64" | 18 | Partially Threaded | 1" | 25 | 000000000 | 00000 |
No. 8 | |||||||||||
1/2" | 0.332" | 0.1" | No. 2 | 5/64" | 3/32" | 15 | Partially Threaded | 0.33" | 50 | 000000000 | 00000 |
3/4" | 0.312" | 0.1" | No. 2 | 5/64" | 3/32" | 15 | Partially Threaded | 0.5" | 50 | 000000000 | 00000 |
1" | 0.332" | 0.1" | No. 2 | 5/64" | 3/32" | 15 | Partially Threaded | 0.66" | 25 | 000000000 | 0000 |
1 1/4" | 0.332" | 0.1" | No. 2 | 5/64" | 3/32" | 15 | Partially Threaded | 0.83" | 10 | 000000000 | 0000 |
1 1/2" | 0.332" | 0.1" | No. 2 | 5/64" | 3/32" | 15 | Partially Threaded | 1" | 25 | 000000000 | 00000 |
2" | 0.332" | 0.1" | No. 2 | 5/64" | 3/32" | 15 | Partially Threaded | 1.33" | 10 | 000000000 | 0000 |
2 1/2" | 0.332" | 0.1" | No. 2 | 5/64" | 3/32" | 15 | Partially Threaded | 1.66" | 10 | 000000000 | 00000 |
3" | 0.332" | 0.1" | No. 2 | 5/64" | 3/32" | 15 | Partially Threaded | 2" | 5 | 000000000 | 0000 |
No. 10 | |||||||||||
1" | 0.362" | 0.116" | No. 2 | 3/32" | 7/64" | 13 | Partially Threaded | 0.667" | 25 | 000000000 | 00000 |
1 1/4" | 0.385" | 0.116" | No. 2 | 3/32" | 7/64" | 13 | Partially Threaded | 0.83" | 10 | 000000000 | 0000 |
1 1/2" | 0.385" | 0.116" | No. 2 | 3/32" | 7/64" | 13 | Partially Threaded | 1" | 10 | 000000000 | 0000 |
2" | 0.385" | 0.116" | No. 2 | 3/32" | 7/64" | 13 | Partially Threaded | 1.33" | 10 | 000000000 | 00000 |
2 1/2" | 0.385" | 0.116" | No. 2 | 3/32" | 7/64" | 13 | Partially Threaded | 1.66" | 5 | 000000000 | 0000 |
3" | 0.385" | 0.116" | No. 2 | 3/32" | 7/64" | 13 | Partially Threaded | 2" | 5 | 000000000 | 0000 |
No. 12 | |||||||||||
1 1/2" | 0.438" | 0.132" | No. 3 | 7/64" | 1/8" | 11 | Partially Threaded | 1" | 10 | 000000000 | 00000 |
2" | 0.412" | 0.132" | No. 3 | 7/64" | 1/8" | 11 | Partially Threaded | 1.333" | 5 | 000000000 | 0000 |
2 1/2" | 0.438" | 0.132" | No. 3 | 7/64" | 1/8" | 11 | Partially Threaded | 1.66" | 5 | 000000000 | 0000 |
3" | 0.412" | 0.132" | No. 3 | 7/64" | 1/8" | 11 | Partially Threaded | 2" | 5 | 000000000 | 0000 |
No. 14 | |||||||||||
2" | 0.507" | 0.153" | No. 3 | 7/64" | 9/64" | 10 | Partially Threaded | 1.333" | 5 | 000000000 | 0000 |
3" | 0.507" | 0.153" | No. 3 | 7/64" | 9/64" | 10 | Partially Threaded | 2" | 5 | 000000000 | 00000 |
4" | 0.507" | 0.153" | No. 3 | 7/64" | 9/64" | 10 | Partially Threaded | 2.667" | 1 | 000000000 | 0000 |
Steel Hex Head Screws for Wood

These steel screws have corrosion-resistant finishes. Also known as lag bolts, they have a hex head for a secure grip with a wrench. They press threads into material for a tight, secure hold. To prevent splitting, drill a pilot hole slightly smaller than the screw. Length is measured from under the head.
Black-oxide steel screws have a coating that protects the steel from rusting in dry environments and blends in with dark surfaces.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||
---|---|---|---|---|---|---|---|---|---|
Lg. | Wd. | Ht. | Approximate Threads per Inch | Threading | Minimum Thread Lg. | Specifications Met | Pkg. Qty. | Pkg. | |
Black-Oxide Steel | |||||||||
1/4" | |||||||||
1" | 0.438" | 0.172" | 10 | Fully Threaded | 0.75" | ASME B18.2.1 | 25 | 000000000 | 000000 |
1 1/4" | 0.438" | 0.172" | 10 | Fully Threaded | 1.125" | ASME B18.2.1 | 10 | 000000000 | 0000 |
1 1/2" | 0.438" | 0.172" | 10 | Partially Threaded | 1.25" | ASME B18.2.1 | 10 | 000000000 | 0000 |
1 3/4" | 0.438" | 0.172" | 10 | Partially Threaded | 1.28" | ASME B18.2.1 | 10 | 000000000 | 0000 |
2" | 0.438" | 0.172" | 10 | Partially Threaded | 1.5" | ASME B18.2.1 | 10 | 000000000 | 0000 |
2 1/2" | 0.438" | 0.172" | 10 | Partially Threaded | 1.75" | ASME B18.2.1 | 10 | 000000000 | 00000 |
3" | 0.438" | 0.172" | 10 | Partially Threaded | 2" | ASME B18.2.1 | 10 | 000000000 | 00000 |
3 1/2" | 0.438" | 0.172" | 10 | Partially Threaded | 2.25" | ASME B18.2.1 | 5 | 000000000 | 0000 |
4" | 0.438" | 0.172" | 10 | Partially Threaded | 2.5" | ASME B18.2.1 | 5 | 000000000 | 0000 |
4 1/2" | 0.438" | 0.172" | 10 | Partially Threaded | 2.75" | ASME B18.2.1 | 5 | 000000000 | 00000 |
5" | 0.438" | 0.172" | 10 | Partially Threaded | 3" | ASME B18.2.1 | 5 | 000000000 | 0000 |
5 1/2" | 0.438" | 0.172" | 10 | Partially Threaded | 3.25" | ASME B18.2.1 | 1 | 000000000 | 0000 |
6" | 0.438" | 0.172" | 10 | Partially Threaded | 3.5" | ASME B18.2.1 | 1 | 000000000 | 0000 |
5/16" | |||||||||
1" | 0.5" | 0.219" | 9 | Fully Threaded | 0.75" | ASME B18.2.1 | 10 | 000000000 | 0000 |
1 1/4" | 0.5" | 0.219" | 9 | Fully Threaded | 1.125" | ASME B18.2.1 | 10 | 000000000 | 0000 |
1 1/2" | 0.5" | 0.219" | 9 | Partially Threaded | 1.25" | ASME B18.2.1 | 10 | 000000000 | 0000 |
1 3/4" | 0.5" | 0.219" | 9 | Partially Threaded | 1.28" | ASME B18.2.1 | 10 | 000000000 | 0000 |
2" | 0.5" | 0.219" | 9 | Partially Threaded | 1.5" | ASME B18.2.1 | 5 | 000000000 | 0000 |
2 1/2" | 0.5" | 0.219" | 9 | Partially Threaded | 1.75" | ASME B18.2.1 | 5 | 000000000 | 0000 |
3" | 0.5" | 0.219" | 9 | Partially Threaded | 2" | ASME B18.2.1 | 5 | 000000000 | 0000 |
3 1/2" | 0.5" | 0.219" | 9 | Partially Threaded | 2.25" | ASME B18.2.1 | 5 | 000000000 | 0000 |
4" | 0.5" | 0.219" | 9 | Partially Threaded | 2.5" | ASME B18.2.1 | 1 | 000000000 | 0000 |
4 1/2" | 0.5" | 0.219" | 9 | Partially Threaded | 2.75" | ASME B18.2.1 | 1 | 000000000 | 0000 |
5" | 0.5" | 0.219" | 9 | Partially Threaded | 3" | ASME B18.2.1 | 1 | 000000000 | 0000 |
5 1/2" | 0.5" | 0.219" | 9 | Partially Threaded | 3.25" | ASME B18.2.1 | 1 | 000000000 | 0000 |
6" | 0.5" | 0.219" | 9 | Partially Threaded | 3.5" | ASME B18.2.1 | 1 | 000000000 | 0000 |
3/8" | |||||||||
1" | 0.563" | 0.25" | 7 | Fully Threaded | 0.75" | ASME B18.2.1 | 10 | 000000000 | 0000 |
1 1/4" | 0.563" | 0.25" | 7 | Fully Threaded | 1.125" | ASME B18.2.1 | 10 | 000000000 | 0000 |
1 1/2" | 0.563" | 0.25" | 7 | Partially Threaded | 1.25" | ASME B18.2.1 | 5 | 000000000 | 0000 |
1 3/4" | 0.563" | 0.25" | 7 | Partially Threaded | 1.28" | ASME B18.2.1 | 5 | 000000000 | 0000 |
2" | 0.563" | 0.25" | 7 | Partially Threaded | 1.5" | ASME B18.2.1 | 5 | 000000000 | 0000 |
2 1/2" | 0.563" | 0.25" | 7 | Partially Threaded | 1.75" | ASME B18.2.1 | 5 | 000000000 | 0000 |
3" | 0.563" | 0.25" | 7 | Partially Threaded | 2" | ASME B18.2.1 | 1 | 000000000 | 0000 |
3 1/2" | 0.563" | 0.25" | 7 | Partially Threaded | 2.25" | ASME B18.2.1 | 1 | 000000000 | 0000 |
4" | 0.563" | 0.25" | 7 | Partially Threaded | 2.5" | ASME B18.2.1 | 1 | 000000000 | 0000 |
4 1/2" | 0.563" | 0.25" | 7 | Partially Threaded | 2.75" | ASME B18.2.1 | 1 | 000000000 | 0000 |
5" | 0.563" | 0.25" | 7 | Partially Threaded | 3" | ASME B18.2.1 | 1 | 000000000 | 0000 |
5 1/2" | 0.563" | 0.25" | 7 | Partially Threaded | 3.25" | ASME B18.2.1 | 1 | 000000000 | 0000 |
6" | 0.563" | 0.25" | 7 | Partially Threaded | 3.5" | ASME B18.2.1 | 1 | 000000000 | 0000 |
1/2" | |||||||||
1 1/2" | 0.75" | 0.344" | 6 | Partially Threaded | 1.25" | ASME B18.2.1 | 5 | 000000000 | 00000 |
2" | 0.75" | 0.344" | 6 | Partially Threaded | 1.5" | ASME B18.2.1 | 5 | 000000000 | 00000 |
2 1/2" | 0.75" | 0.344" | 6 | Partially Threaded | 1.75" | ASME B18.2.1 | 1 | 000000000 | 0000 |
3" | 0.75" | 0.344" | 6 | Partially Threaded | 2" | ASME B18.2.1 | 1 | 000000000 | 0000 |
3 1/2" | 0.75" | 0.344" | 6 | Partially Threaded | 2.25" | ASME B18.2.1 | 1 | 000000000 | 0000 |
4" | 0.75" | 0.344" | 6 | Partially Threaded | 2.5" | ASME B18.2.1 | 1 | 000000000 | 0000 |
4 1/2" | 0.75" | 0.344" | 6 | Partially Threaded | 2.75" | ASME B18.2.1 | 1 | 000000000 | 0000 |
5" | 0.75" | 0.344" | 6 | Partially Threaded | 3" | ASME B18.2.1 | 1 | 000000000 | 0000 |
5 1/2" | 0.75" | 0.344" | 6 | Partially Threaded | 3.25" | ASME B18.2.1 | 1 | 000000000 | 0000 |
6" | 0.75" | 0.344" | 6 | Partially Threaded | 3.5" | ASME B18.2.1 | 1 | 000000000 | 0000 |
8" | 0.75" | 0.344" | 6 | Partially Threaded | 4.5" | ASME B18.2.1 | 1 | 000000000 | 00000 |
10" | 0.75" | 0.344" | 6 | Partially Threaded | 5" | ASME B18.2.1 | 1 | 000000000 | 0000 |
12" | 0.75" | 0.344" | 6 | Partially Threaded | 5" | ASME B18.2.1 | 1 | 000000000 | 00000 |
5/8" | |||||||||
2" | 0.938" | 0.422" | 5 | Partially Threaded | 1.5" | ASME B18.2.1 | 1 | 000000000 | 0000 |
2 1/2" | 0.938" | 0.422" | 5 | Partially Threaded | 1.75" | ASME B18.2.1 | 1 | 000000000 | 0000 |
3" | 0.938" | 0.422" | 5 | Partially Threaded | 2" | ASME B18.2.1 | 1 | 000000000 | 0000 |
4" | 0.938" | 0.422" | 5 | Partially Threaded | 2.5" | ASME B18.2.1 | 1 | 000000000 | 0000 |
4 1/2" | 0.938" | 0.422" | 5 | Partially Threaded | 2.75" | ASME B18.2.1 | 1 | 000000000 | 0000 |
5" | 0.938" | 0.422" | 5 | Partially Threaded | 3" | ASME B18.2.1 | 1 | 000000000 | 00000 |
5 1/2" | 0.938" | 0.422" | 5 | Partially Threaded | 3.25" | ASME B18.2.1 | 1 | 000000000 | 00000 |
6" | 0.938" | 0.422" | 5 | Partially Threaded | 3.5" | ASME B18.2.1 | 1 | 000000000 | 00000 |
3/4" | |||||||||
2 1/2" | 1.125" | 0.5" | 4.5 | Partially Threaded | 1.75" | ASME B18.2.1 | 1 | 000000000 | 00000 |
3" | 1.125" | 0.5" | 4.5 | Partially Threaded | 2" | ASME B18.2.1 | 1 | 000000000 | 0000 |
3 1/2" | 1.125" | 0.5" | 4.5 | Partially Threaded | 2.25" | ASME B18.2.1 | 1 | 000000000 | 00000 |
4" | 1.125" | 0.5" | 4.5 | Partially Threaded | 2.5" | ASME B18.2.1 | 1 | 000000000 | 00000 |
5" | 1.125" | 0.5" | 4.5 | Partially Threaded | 3" | ASME B18.2.1 | 1 | 000000000 | 00000 |
6" | 1.125" | 0.5" | 4.5 | Partially Threaded | 3.5" | ASME B18.2.1 | 1 | 000000000 | 00000 |
8" | 1.125" | 0.5" | 4.5 | Partially Threaded | 4.5" | ASME B18.2.1 | 1 | 000000000 | 00000 |
Rounded Head Screws for Particleboard and Fiberboard


Sharp, angled threads cut into particleboard, medium-density fiberboard (MDF), and hardboard such as masonite without splitting. Black-oxide and black-phosphate steel screws resist corrosion in dry environments. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Head | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Lg. | Dia. | Ht. | Drive Size | Drill Bit Size | Approximate Threads per Inch | Threading | Min. Thread Lg. | Pkg. Qty. | Pkg. | |
Black-Oxide Steel | ||||||||||
No. 6 | ||||||||||
3/8" | 0.27" | 0.097" | No. 2 | 1/16" | 13 | Fully Threaded | __ | 100 | 000000000 | 00000 |
1/2" | 0.27" | 0.082" | No. 1 | 1/16" | 12 | Fully Threaded | __ | 100 | 000000000 | 0000 |
5/8" | 0.27" | 0.097" | No. 2 | 1/16" | 13 | Fully Threaded | __ | 100 | 000000000 | 0000 |
3/4" | 0.27" | 0.097" | No. 2 | 1/16" | 13 | Fully Threaded | __ | 100 | 000000000 | 0000 |
1" | 0.27" | 0.097" | No. 2 | 1/16" | 13 | Fully Threaded | __ | 100 | 000000000 | 00000 |
No. 7 | ||||||||||
3/8" | 0.296" | 0.106" | No. 2 | No. 49 | 12 | Fully Threaded | __ | 100 | 000000000 | 0000 |
No. 8 | ||||||||||
5/8" | 0.322" | 0.115" | No. 2 | 5/64" | 11 | Fully Threaded | __ | 100 | 000000000 | 00000 |
3/4" | 0.322" | 0.096" | No. 2 | 5/64" | 10 | Fully Threaded | __ | 100 | 000000000 | 0000 |
7/8" | 0.322" | 0.115" | No. 2 | 5/64" | 11 | Fully Threaded | __ | 100 | 000000000 | 0000 |
1" | 0.322" | 0.096" | No. 2 | 5/64" | 10 | Fully Threaded | __ | 100 | 000000000 | 0000 |
1 1/8" | 0.322" | 0.115" | No. 2 | 5/64" | 11 | Partially Threaded | 0.753" | 100 | 000000000 | 00000 |
1 3/8" | 0.322" | 0.115" | No. 2 | 5/64" | 11 | Partially Threaded | 0.921" | 100 | 000000000 | 00000 |
1 1/2" | 0.322" | 0.115" | No. 2 | 5/64" | 11 | Partially Threaded | 1.005" | 100 | 000000000 | 00000 |
1 5/8" | 0.322" | 0.115" | No. 2 | 5/64" | 11 | Partially Threaded | 1.088" | 100 | 000000000 | 00000 |
2 1/4" | 0.322" | 0.115" | No. 2 | 5/64" | 11 | Partially Threaded | 1.507" | 100 | 000000000 | 00000 |
2 1/2" | 0.322" | 0.115" | No. 2 | 5/64" | 11 | Partially Threaded | 1.675" | 100 | 000000000 | 00000 |
2 3/4" | 0.322" | 0.115" | No. 2 | 5/64" | 11 | Partially Threaded | 1.842" | 100 | 000000000 | 00000 |
3" | 0.322" | 0.115" | No. 2 | 5/64" | 11 | Partially Threaded | 2.01" | 100 | 000000000 | 00000 |
No. 10 | ||||||||||
1/2" | 0.373" | 0.133" | No. 2 | 3/32" | 9 | Fully Threaded | __ | 100 | 000000000 | 00000 |
5/8" | 0.373" | 0.133" | No. 2 | 3/32" | 9 | Fully Threaded | __ | 100 | 000000000 | 00000 |
3/4" | 0.373" | 0.133" | No. 2 | 3/32" | 9 | Fully Threaded | __ | 100 | 000000000 | 00000 |
1" | 0.373" | 0.11" | No. 2 | 3/32" | 9 | Fully Threaded | __ | 100 | 000000000 | 00000 |
1 1/4" | 0.373" | 0.133" | No. 2 | 3/32" | 9 | Partially Threaded | 0.837" | 100 | 000000000 | 00000 |
1 1/2" | 0.373" | 0.133" | No. 2 | 3/32" | 9 | Partially Threaded | 1.005" | 100 | 000000000 | 00000 |
1 3/4" | 0.373" | 0.133" | No. 2 | 3/32" | 9 | Partially Threaded | 1.172" | 100 | 000000000 | 00000 |
2" | 0.373" | 0.133" | No. 2 | 3/32" | 9 | Partially Threaded | 1.34" | 100 | 000000000 | 00000 |
Flat Head Screws for Particleboard and Fiberboard

Beveled under the head for use in countersunk holes. Sharp, angled threads cut into particleboard, medium-density fiberboard (MDF), and hardboard such as masonite without splitting. Length is measured from the top of the head.
Black-oxide steel screws are mildly corrosion resistant in dry environments.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Dia. | Dia. Tolerance | Ht. | Drive Size | Drill Bit Size | Approximate Threads per Inch | Threading | Min. Thread Lg. | Pkg. Qty. | Pkg. | |
Black-Oxide Steel | |||||||||||
No. 6 | |||||||||||
1/2" | 0.279" | -0.035" | 0.083" | No. 2 | 1/16" | 13 | Fully Threaded | __ | 100 | 000000000 | 000000 |
5/8" | 0.279" | -0.035" | 0.083" | No. 2 | 1/16" | 13 | Fully Threaded | __ | 100 | 000000000 | 0000 |
3/4" | 0.279" | -0.035" | 0.083" | No. 2 | 1/16" | 13 | Fully Threaded | __ | 100 | 000000000 | 0000 |
1" | 0.279" | -0.035" | 0.083" | No. 2 | 1/16" | 13 | Fully Threaded | __ | 100 | 000000000 | 0000 |
1 1/8" | 0.279" | -0.035" | 0.083" | No. 2 | 1/16" | 13 | Partially Threaded | 3/4" | 100 | 000000000 | 0000 |
1 1/4" | 0.279" | -0.035" | 0.083" | No. 2 | 1/16" | 13 | Partially Threaded | 0.838" | 100 | 000000000 | 00000 |
1 1/2" | 0.279" | -0.035" | 0.083" | No. 2 | 1/16" | 13 | Partially Threaded | 1" | 100 | 000000000 | 00000 |
No. 8 | |||||||||||
1/2" | 0.332" | -0.04" | 0.1" | No. 2 | 5/64" | 11 | Fully Threaded | __ | 100 | 000000000 | 0000 |
5/8" | 0.332" | -0.04" | 0.1" | No. 2 | 5/64" | 11 | Fully Threaded | __ | 100 | 000000000 | 0000 |
3/4" | 0.332" | -0.04" | 0.1" | No. 2 | 5/64" | 11 | Fully Threaded | __ | 100 | 000000000 | 0000 |
1" | 0.332" | -0.04" | 0.1" | No. 2 | 5/64" | 11 | Fully Threaded | __ | 100 | 000000000 | 00000 |
1 1/8" | 0.332" | -0.04" | 0.1" | No. 2 | 5/64" | 11 | Partially Threaded | 3/4" | 100 | 000000000 | 0000 |
1 1/4" | 0.332" | -0.04" | 0.1" | No. 2 | 5/64" | 11 | Partially Threaded | 0.838" | 100 | 000000000 | 00000 |
1 3/8" | 0.332" | -0.04" | 0.1" | No. 2 | 5/64" | 11 | Partially Threaded | 0.92" | 100 | 000000000 | 0000 |
1 1/2" | 0.332" | -0.04" | 0.1" | No. 2 | 5/64" | 11 | Partially Threaded | 1" | 100 | 000000000 | 00000 |
1 5/8" | 0.332" | -0.04" | 0.1" | No. 2 | 5/64" | 11 | Partially Threaded | 1.09" | 100 | 000000000 | 00000 |
1 3/4" | 0.332" | -0.04" | 0.1" | No. 2 | 5/64" | 11 | Partially Threaded | 1.17" | 100 | 000000000 | 00000 |
2" | 0.332" | -0.04" | 0.1" | No. 2 | 5/64" | 11 | Partially Threaded | 1.34" | 100 | 000000000 | 00000 |
2 1/4" | 0.332" | -0.04" | 0.1" | No. 2 | 5/64" | 11 | Partially Threaded | 1.485" | 100 | 000000000 | 00000 |
2 1/2" | 0.332" | -0.04" | 0.1" | No. 2 | 5/64" | 11 | Partially Threaded | 1.675" | 50 | 000000000 | 00000 |
2 3/4" | 0.332" | -0.04" | 0.1" | No. 2 | 5/64" | 11 | Partially Threaded | 1.84" | 50 | 000000000 | 00000 |
3" | 0.332" | -0.04" | 0.1" | No. 2 | 5/64" | 11 | Partially Threaded | 2.01" | 50 | 000000000 | 00000 |
3 1/8" | 0.332" | -0.04" | 0.1" | No. 2 | 5/64" | 11 | Partially Threaded | 2.09" | 50 | 000000000 | 00000 |
No. 9 | |||||||||||
3/4" | 0.358" | -0.042" | 0.108" | No. 2 | No. 45 | 10 | Fully Threaded | __ | 100 | 000000000 | 0000 |
1" | 0.358" | -0.042" | 0.108" | No. 2 | No. 45 | 10 | Fully Threaded | __ | 100 | 000000000 | 00000 |
1 1/4" | 0.358" | -0.042" | 0.108" | No. 2 | No. 45 | 10 | Partially Threaded | 0.838" | 100 | 000000000 | 00000 |
1 1/2" | 0.358" | -0.042" | 0.108" | No. 2 | No. 45 | 10 | Partially Threaded | 1" | 100 | 000000000 | 00000 |
1 3/4" | 0.358" | -0.042" | 0.108" | No. 2 | No. 45 | 10 | Partially Threaded | 1.17" | 50 | 000000000 | 0000 |
2 1/2" | 0.358" | -0.042" | 0.108" | No. 2 | No. 45 | 10 | Partially Threaded | 1.675" | 50 | 000000000 | 00000 |
3" | 0.358" | -0.042" | 0.108" | No. 2 | No. 45 | 10 | Partially Threaded | 2.01" | 50 | 000000000 | 00000 |
No. 10 | |||||||||||
3/4" | 0.385" | -0.045" | 0.116" | No. 3 | 3/32" | 9 | Fully Threaded | __ | 100 | 000000000 | 00000 |
1" | 0.385" | -0.045" | 0.116" | No. 3 | 3/32" | 9 | Fully Threaded | __ | 100 | 000000000 | 00000 |
1 1/4" | 0.385" | -0.045" | 0.116" | No. 3 | 3/32" | 9 | Partially Threaded | 0.838" | 100 | 000000000 | 00000 |
1 1/2" | 0.385" | -0.045" | 0.116" | No. 3 | 3/32" | 9 | Partially Threaded | 1" | 100 | 000000000 | 00000 |
1 3/4" | 0.385" | -0.045" | 0.116" | No. 3 | 3/32" | 9 | Partially Threaded | 1.17" | 50 | 000000000 | 00000 |
2" | 0.385" | -0.045" | 0.116" | No. 3 | 3/32" | 9 | Partially Threaded | 1.34" | 50 | 000000000 | 00000 |
2 1/2" | 0.385" | -0.045" | 0.116" | No. 3 | 3/32" | 9 | Partially Threaded | 1.675" | 50 | 000000000 | 00000 |
3" | 0.385" | -0.045" | 0.116" | No. 3 | 3/32" | 9 | Partially Threaded | 2.01" | 25 | 000000000 | 00000 |
Steel Wood Screw Threaded Studs

These studs are also known as hanger bolts—use them to hang, mount, and fasten parts to wood structures. Install with a stud driver or create wrench flats by threading two nuts onto the stud and jamming them together.
Black-oxide steel studs are mildly corrosion resistant in dry environments.
For technical drawings and 3-D models, click on a part number.
(A) | (B) | ||||||||
---|---|---|---|---|---|---|---|---|---|
Screw Size | Thread Lg. | Thread Size | Thread Lg. | Lg. | Tensile Strength | Hardness | Pkg. Qty. | Pkg. | |
Black-Oxide Steel | |||||||||
No. 8 | 7/8" | 8-32 | 5/8" | 1 1/2" | Not Rated | Not Rated | 50 | 000000000 | 000000 |
No. 8 | 1" | 8-32 | 3/4" | 1 3/4" | Not Rated | Not Rated | 25 | 000000000 | 00000 |
No. 8 | 1" | 8-32 | 1" | 2" | Not Rated | Not Rated | 25 | 000000000 | 00000 |
No. 10 | 7/8" | 10-24 | 5/8" | 1 1/2" | Not Rated | Not Rated | 25 | 000000000 | 00000 |
No. 10 | 1" | 10-24 | 1" | 2" | Not Rated | Not Rated | 25 | 000000000 | 00000 |
No. 10 | 1 1/2" | 10-24 | 1" | 2 1/2" | Not Rated | Not Rated | 25 | 000000000 | 00000 |
No. 10 | 1 1/2" | 10-24 | 1 1/2" | 3" | Not Rated | Not Rated | 10 | 000000000 | 0000 |
1/4" | 1" | 1/4"-20 | 1" | 2" | Not Rated | Not Rated | 10 | 000000000 | 0000 |
1/4" | 1 1/2" | 1/4"-20 | 1" | 2 1/2" | Not Rated | Not Rated | 10 | 000000000 | 0000 |
1/4" | 1 1/2" | 1/4"-20 | 1 1/2" | 3" | Not Rated | Not Rated | 10 | 000000000 | 00000 |
5/16" | 1 1/2" | 5/16"-18 | 1" | 2 1/2" | Not Rated | Not Rated | 10 | 000000000 | 00000 |
5/16" | 1 1/2" | 5/16"-18 | 1 1/2" | 3" | Not Rated | Not Rated | 5 | 000000000 | 0000 |
5/16" | 2" | 5/16"-18 | 1 1/2" | 3 1/2" | Not Rated | Not Rated | 5 | 000000000 | 0000 |
3/8" | 1 1/2" | 3/8"-16 | 1 1/2" | 3" | Not Rated | Not Rated | 5 | 000000000 | 0000 |
3/8" | 2" | 3/8"-16 | 1 1/2" | 3 1/2" | Not Rated | Not Rated | 5 | 000000000 | 00000 |
3/8" | 2" | 3/8"-16 | 2" | 4" | Not Rated | Not Rated | 5 | 000000000 | 00000 |
3/8" | 3" | 3/8"-16 | 1 3/8" | 5" | Not Rated | Not Rated | 5 | 000000000 | 00000 |
3/8" | 3" | 3/8"-16 | 1 1/2" | 6" | Not Rated | Not Rated | 5 | 000000000 | 00000 |
3/8" | 3" | 3/8"-16 | 2 1/2" | 10" | Not Rated | Not Rated | 1 | 000000000 | 00000 |