Drive Style Drive Style | Show |
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![]() | Tri-Groove |
Drive Style Drive Style | Hide |
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System of Measurement System of Measurement |
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Head Type Head Type |
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![]() | Rounded |
Rounded Head Style Rounded Head Style |
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![]() | Round |
Threading Threading |
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![]() | Fully Threaded |
![]() | Partially Threaded |
Material Material |
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Thread Direction Thread Direction |
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![]() | Right Hand |
Tensile Strength Tensile Strength |
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Finish Finish |
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Hardness Hardness |
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Thread Fit Thread Fit |
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Rounded Head Profile Rounded Head Profile |
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Minimum Thread Length Minimum Thread Length |
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More
Difficult to remove without special tools, these screws have three grooves. For installation tools, see Tri-Groove bits and drivers. Screws are zinc plated for corrosion resistance in wet environments. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Lg. | Threading | Min. Thread Lg. | Head Dia. | Head Ht. | Drive Size | Tensile Strength, psi | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel | |||||||||
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6-32 | |||||||||
3/8" | Fully Threaded | __ | 0.275" | 0.132" | No. 6 | 80,000 | 100 | 000000000 | 000000 |
1/2" | Fully Threaded | __ | 0.275" | 0.132" | No. 6 | 80,000 | 100 | 000000000 | 00000 |
3/4" | Fully Threaded | __ | 0.275" | 0.132" | No. 6 | 80,000 | 100 | 000000000 | 00000 |
8-32 | |||||||||
3/8" | Fully Threaded | __ | 0.275" | 0.132" | No. 6 | 80,000 | 100 | 000000000 | 00000 |
1/2" | Fully Threaded | __ | 0.275" | 0.132" | No. 6 | 80,000 | 100 | 000000000 | 00000 |
3/4" | Fully Threaded | __ | 0.275" | 0.132" | No. 6 | 80,000 | 100 | 000000000 | 00000 |
1" | Fully Threaded | __ | 0.275" | 0.132" | No. 6 | 80,000 | 50 | 000000000 | 00000 |
1 1/4" | Fully Threaded | __ | 0.275" | 0.132" | No. 6 | 80,000 | 50 | 000000000 | 00000 |
1 1/2" | Fully Threaded | __ | 0.275" | 0.132" | No. 6 | 80,000 | 50 | 000000000 | 00000 |
10-24 | |||||||||
1/2" | Fully Threaded | __ | 0.385" | 0.153" | No. 10 | 80,000 | 50 | 000000000 | 00000 |
3/4" | Fully Threaded | __ | 0.385" | 0.153" | No. 10 | 80,000 | 50 | 000000000 | 00000 |
1" | Fully Threaded | __ | 0.385" | 0.153" | No. 10 | 80,000 | 25 | 000000000 | 0000 |
1 1/2" | Fully Threaded | __ | 0.385" | 0.153" | No. 10 | 80,000 | 25 | 000000000 | 0000 |
10-32 | |||||||||
1/2" | Fully Threaded | __ | 0.385" | 0.153" | No. 10 | 80,000 | 50 | 000000000 | 00000 |
3/4" | Fully Threaded | __ | 0.385" | 0.153" | No. 10 | 80,000 | 50 | 000000000 | 00000 |
1" | Fully Threaded | __ | 0.385" | 0.153" | No. 10 | 80,000 | 50 | 000000000 | 00000 |
1 1/2" | Fully Threaded | __ | 0.385" | 0.153" | No. 10 | 80,000 | 25 | 000000000 | 00000 |
1/4"-20 | |||||||||
1/2" | Fully Threaded | __ | 0.385" | 0.153" | No. 10 | 80,000 | 50 | 000000000 | 00000 |
3/4" | Fully Threaded | __ | 0.385" | 0.153" | No. 10 | 80,000 | 50 | 000000000 | 00000 |
1" | Fully Threaded | __ | 0.385" | 0.153" | No. 10 | 80,000 | 25 | 000000000 | 00000 |
1 1/2" | Fully Threaded | __ | 0.385" | 0.153" | No. 10 | 80,000 | 25 | 000000000 | 00000 |
2" | Fully Threaded | __ | 0.385" | 0.153" | No. 10 | 80,000 | 25 | 000000000 | 00000 |
2 1/2" | Partially Threaded | 1 1/2" | 0.385" | 0.153" | No. 10 | 80,000 | 10 | 000000000 | 0000 |
5/16"-18 | |||||||||
5/8" | Fully Threaded | __ | 0.575" | 0.247" | No. 20 | 80,000 | 25 | 000000000 | 00000 |
3/4" | Fully Threaded | __ | 0.575" | 0.247" | No. 20 | 80,000 | 25 | 000000000 | 00000 |
1" | Fully Threaded | __ | 0.575" | 0.247" | No. 20 | 80,000 | 25 | 000000000 | 00000 |