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System of Measurement System of Measurement |
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Length Length | Show |
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Length Length | Hide |
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Tip Type Tip Type |
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![]() | Pointed |
Threading Threading |
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![]() | Partially Threaded |
Head Type Head Type |
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![]() | Hex |
Material Material |
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For Use In For Use In |
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Minimum Thread Length Minimum Thread Length |
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Drive Style Drive Style |
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Finish Finish |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Specifications Met Specifications Met |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Tapping Method Tapping Method |
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![]() | Thread Forming |
About Tapping Screws
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Metric Steel Hex Head Screws for Wood


Drive the pointed tip of these screws into soft material, such as wood and drywall. They are also known as lag bolts. Made from steel, they are strong and wear resistant, and have a zinc plating to protect the steel from rust in wet environments. The hex head provides a secure grip for wrenches, so you can tighten them in place. They meet DIN 571, which is an international standard for the dimensions of wood screws.
Drill a pilot hole slightly smaller than the screw to avoid splitting shorter boards. Screws with larger diameters are more likely to split your wood.
Head | ||||||||
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Lg., mm | Wd., mm | Ht., mm | Threading | Min. Thread Lg., mm | Specifications Met | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel | ||||||||
M5 | ||||||||
30 | 8 | 3.5 | Partially Threaded | 18 | DIN 571 | 100 | 000000000 | 000000 |
M6 | ||||||||
30 | 10 | 4 | Partially Threaded | 18 | DIN 571 | 50 | 000000000 | 00000 |
M8 | ||||||||
30 | 13 | 5.5 | Partially Threaded | 18 | DIN 571 | 25 | 000000000 | 0000 |
M10 | ||||||||
30 | 17 | 7 | Partially Threaded | 18 | DIN 571 | 10 | 000000000 | 0000 |