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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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Screw Size Screw Size |
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Minimum Thread Length Minimum Thread Length |
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Thread Size Thread Size |
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Thread Pitch Thread Pitch |
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Head Type Head Type |
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![]() | Hex |
Material Material |
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Drive Style Drive Style |
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Specifications Met Specifications Met |
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Tip Type Tip Type |
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![]() | Pointed |
Threading Threading |
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![]() | Partially Threaded |
DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Tapping Method Tapping Method |
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![]() | Thread Forming |
For Use In For Use In |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Finish Finish |
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About Tapping Screws
More
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.
For technical drawings and 3-D models, click on a part number.
Head | ||||||||
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Lg., mm | Wd., mm | Ht., mm | Threading | Min. Thread Lg., mm | Specifications Met | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel | ||||||||
M8 | ||||||||
130 | 13 | 5.5 | Partially Threaded | 78 | DIN 571 | 10 | 000000000 | 00000 |