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Hex Shank Taps for Drills and Screwdrivers
![](/prerenderstable/mvPRE/contents/gfx/imagecache/102/1021n13p1-a02c-digital@halfx_637177038975508274.png?ver=imagenotfound)
Insert these taps directly into drills, power screwdrivers, and other tools that accept a 1/4" hex shank. They're made of high-speed steel and are for use on most metal and plastic. All have a plug chamfer with 3-5 chamfered cutting threads, so they're suitable for start-to-finish tapping. When using them to tap closed-end holes, be sure to leave sufficient space at the bottom for chips to accumulate.
For technical drawings and 3-D models, click on a part number.
Metric
Thread | Drill Bit | Plug Chamfer | |||||||
---|---|---|---|---|---|---|---|---|---|
Size | Pitch, mm | Lg. | Overall Lg. | Size | Decimal Size Equivalent | No. of Flutes | Hex Shank Size | Each | |
Uncoated High-Speed Steel | |||||||||
M3 | 0.5 | 7/16" | 1 5/16" | 2.5 mm | 0.0984" | 3 | 1/4" | 0000000 | 000000 |
M3.5 | 0.6 | 3/8" | 1 5/16" | 2.9 mm | 0.1142" | 3 | 1/4" | 0000000 | 00000 |
M4 | 0.7 | 1/2" | 1 3/8" | 3.3 mm | 0.1299" | 3 | 1/4" | 0000000 | 00000 |
M5 | 0.8 | 5/8" | 1 7/16" | 4.2 mm | 0.1653" | 3 | 1/4" | 0000000 | 00000 |
M6 | 0.75 | 11/16" | 1 15/32" | 5.2 mm | 0.2047" | 3 | 1/4" | 0000000 | 00000 |
M6 | 1 | 11/16" | 1 9/16" | 5 mm | 0.1968" | 3 | 1/4" | 0000000 | 00000 |
M7 | 1 | 5/8" | 1 1/2" | 6 mm | 0.2362" | 3 | 1/4" | 0000000 | 00000 |
M8 | 0.75 | 3/4" | 1 9/16" | 7.2 mm | 0.2834" | 4 | 1/4" | 0000000 | 00000 |
M8 | 1.25 | 3/4" | 1 9/16" | 6.7 mm | 0.2637" | 4 | 1/4" | 0000000 | 00000 |
M10 | 1 | 13/16" | 1 5/8" | 8.9 mm | 0.3503" | 4 | 1/4" | 0000000 | 00000 |
M10 | 1.5 | 13/16" | 1 5/8" | 8.5 mm | 0.3346" | 4 | 1/4" | 0000000 | 00000 |