Countersink Drill Bits Set - M35 Cobalt Countersink Drill Bit Set for Metal 5pcs(1/4"+3/8"+1/2"+5/8"+3/4") Bits Set for Stainless Steel Iron Aluminium Wood,Quick Change Hex Shank
All electronics ship with US style plugs.You may need a voltage converter or a plug adapter.
Special Features
【SIZE】5pcs 1/4"+3/8"+1/2"+5/8"+3/4" M35 cobalt countersink drill bit set; total length 45-63mm, working length 6-17mm, quick change Hex shank.
【APPLICATION】Drilling (countersinking) and chamfering of surfaces of stainless steel (up to 2MM), copper, aluminium and other metals, wood and plastics, etc.; (slower drilling speed recommended for stainless steel).
【M35 Industrial Grade High-speed Steel】High hardness, high sharpness, high wear resistance, long service life.
【Surface Plating】Cobalt/titanium aluminium nitride (TIALN) plated surface for improved cutting performance, increased hardness, wear resistance and corrosion protection.
【Recommended Machine】Corded Drill, cordless Drill, benchtop Drill. General hand drill in the range of 2000-5000RPM, for soft materials, slow down the speed (1000RPM)