6mm HSS Drill Bit Long Series Ref: 21392 9
8mm High Spped Cobalt Drill 21321 9 (S/Steel)
7mm High Speed Drill Bit Ref: 21181 9
High quality straight shank; hot roll forged flute and special heat treatment gives additional toughness; right hand cutting. Designed for drilling in steel, cast steel , grey cast iron, spheroidal graphite iron, sintered metal and low hardness alloyed metals.