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If your work requires tapping on thick materials, we suggest you choose 6542HSS.
4341 HSS Ideal for drilling, tapping, cutting on wood, soft metal, aluminum plate, iron, etc. (Note: it can not work well with stainless steel 304 or high hardness metal)
Complete hole drilling, tapping, deburring and countersinking in one operation with power drill saves labor and time
Back tapered beyond tap to prevent thread damage from over-drilling
Deburr/countersink also provided on bit beyond back taper
Made from hardened high-speed steel 4341 vs carbon steel for longer life
Designed to tap up to 10-gauge metal
Self-Centering point, do not need assistant center drilling or center punching.
One bit that does it all. Drill, Tap and Countersink in a single operation.
Premium Hex Shank Hand Tap Drill Bit Set combination bits for drilling, tapping, and countersinking - all with one bit.
Tap Drill Bit combination bits are a high-quality solution when you need to drill, tap, and countersink a hole quickly and accurately.
Previously to create a threaded hole you would have to perform three separate operations, each requiring its own tool: a drill bit, a tap, and a countersink tool.
The Tap Drill Bit combination bits perform all three operations with one bit, providing you with the same accuracy and power in a simple, fast, and easy-to-use package. A quick change adapter is also included to help you to drill, tap, and countersink, and even drive fasteners even faster.
For use with up to 10-gauge mild steel, the Tap Drill Bit combination bits make drilling, tapping, and countersinking holes faster and easier than ever before.
Drill, tap and countersink in one quick and easy action
Just as precise and considerably faster than using standard bits, tapping, and countersinking tools
Hardened high-grade tool steel construction for use in up to 10-gauge metal
Back-tapered to avoid damage from over drilling
Strong hex shank ensures strong connection to drill
Quick change adapter included for easy bit switching
Set Size in Metric:
M3x0.5: Total length: 2.17", Spiral length: 0.46", Drill: 3MM (0.11")
M4x0.7: Total length: 2.13", Spiral length: 0.5", Drill: 4MM (0.13")
M5x0.8: Total length: 2.28", Spiral length: 0.575", Drill: 5MM (0.165")
M6x1: Total length: 2.28", Spiral length: 0.61", Drill: 6MM (0.2")
M8x1.25: Total length: 2.32", Spiral length: 0.755", Drill: 8MM (0.267")
M10x1.5: Total length: 2.32", Spiral length: 0.85", Drill: 10MM (0.33")
Square handle: 1/4"
Set Size in Inche:(Updated on 15th May)
1/8-40: Total length: 2.17", Spiral length: 0.46", Drill: 1/8"
5/32-32: Total length: 2.13", Spiral length: 0.5", Drill: 5/32"
3/16-24: Total length: 2.28", Spiral length: 0.575", Drill: 3/16"
1/4-20: Total length: 2.28", Spiral length: 0.61", Drill: 1/4"
5/16-18: Total length: 2.32", Spiral length: 0.755", Drill: 5/16"
3/8-16: Total length: 2.32", Spiral length: 0.85", Drill: 3/8"
Square handle: 1/4"
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