Feature:
-The groove drill bit made of quality high carbon steel, which is quenched at high temperature and has a long service life.
-These groove drill bit, featuring a 'four-flute' design, allows for faster chip ejection and its full screw tip ensures ease of use and pull through.
-The cutting spurs produce clean holes with minimal break out, and the tapered flute reduces binding.
-The drill bits are also fully heat treated for extra durability.
-Self-tapping drill tip - accurate positioning for a variety of soft and hard wood drilling
-1/4'' hex shank prevents slipping in the drill chuck or bit extension.
Specification:
-100% new and high quality.
-Material: high carbon steel
-Diameter: 10mm - 35mm
-Fluter length: about 75mm
-Total length: 165mm
-1/2'' Square to 1/4'' Hex Conversion Adaptor: Enables these drills to be used in electric wrenches.
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