– A set of 7 countersink drill bit combinations size in φ shank 3 mm, 4 mm, 5 mm, 6 mm, 7 mm, 8 mm, 10 mm and 1 Free Hex Key Wrench
– Made of high carbon steel which offer high hardness, superior cutting power, good abrasion resistance. Ideal for household and DIY Projects.
– Tri-pointed Design – tri-cuspid centering that make sure drills will not produce offset, not easy to slip, no bias, good for accurate and fast drilling.
– Removable & Adjustable – easy to adjust or disassemble the countersink drill bit and the five-flutes chamfering with the provided L-shape hex key.