HSS 3.5mm Drill Bit SupaTool HSS Titanium Coated Drill Bits 10 Pieces

HSS Drill Bits: Designed for drilling in steel, cast steel, cast iron, spherical graphite iron, sintered metal and low hardness alloyed metals. Carbon steel with black oxide coating to reduce friction – Spur tip to provide accurate and quick starts

Titanium Drill Bits: Metal drill bits with high quality surface due to titanium coating, which extends the working life of the drill bit