System of Measurement System of Measurement |
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Drive Style Drive Style |
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Head Type Head Type |
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 | Flat |
Finish Finish |
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Material Material |
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For Use In For Use In |
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Tip Type Tip Type |
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 | Pointed |
Threading Threading |
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 | Partially Threaded |
Flat Head Profile Flat Head Profile |
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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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About Tapping Screws
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Thread-Forming Small-Head Screws for Softwood and Plastic-Wood Composites
Thread-forming screws press threads into drilled holes for a tight, vibration-resistant assembly. Also known as trim-head deck screws, they have a small flat head and slender shank to reduce the risk of splitting. The sharp point and narrow body penetrates softwood and plastic-wood composite decking material. Made from steel, they have a black-phosphate finish to resist corrosion in wet environments. Length is measured from the top of the head.
For technical drawings and 3-D models, click on a part number.
Head | ||||||||||
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| Lg. | Dia. | Ht. | Drive Size | Drill Bit Size | Approximate Threads per Inch | Threading | Min. Thread Lg. | Pkg. Qty. | Pkg. | |
Black-Phosphate Steel | ||||||||||
No. 6 | ||||||||||
| 1 5/8" | 0.224" | 0.135" | No. 1 | 1/16" | 18 | Partially Threaded | 13/16" | 100 | 000000000 | 000000 |
| 2 1/4" | 0.224" | 0.135" | No. 1 | 1/16" | 18 | Partially Threaded | 1 1/8" | 100 | 000000000 | 00000 |
No. 8 | ||||||||||
| 3" | 0.264" | 0.155" | No. 2 | 5/64" | 15 | Partially Threaded | 1 1/2" | 50 | 000000000 | 00000 |