Sharp cutting edge, can drill thin sheet such as wood board and do transverse cutting after drilling in.
These sawtooth bits work great in making a smooth hole & trench-cutting.
Made use of HSS high speed steel material with titanium coated, drill bits body edge sharp, faster with less effort.
Titanium coating extends service life of the drilling bits; this drill bits can work more than 5 times longer life than normal high speed steel drill tools and non-coated drills.
Suitable for thin PVC, wood, plank, metal, aluminium alloy, plastic plates pull grooving.