50 PCS M35 Cobalt HSS Twist Drill Bits Set for Stainless Steel Iron Jobber Wood
Professional & Widely Use: M35 HSS Cobalt 5% Jobber Drill Bits for Drilling Stainless Steel & Hard Steels. Top Heat Resistant: M35 HSS Cobalt Twist Drill Bits must be used and operated at 1500 RPM or greater for maximum efficiency.