4.2MM M35 COBALT METRIC DRILL BIT PACK OF 10 75MM Long HRC 65-67 Fully Ground
£8.45
4.2MM X 75MM M35 COBALT METRIC DRILL BIT - PACK OF 10Engineering quality drill bits made from M35 steel with 5% Cobalt for longer life.They give a superior performance even when drilling challenging materials such as stainless steel and high alloy steel. With a precision ground tip, split point and 135° angle, these DIN 338 bits are very precise for centring during spot drilling. For tough or hard metal drilling such as high tensile and hardened steels, including stainless steel (Cr-Ni) and purpose made acid resistant metals.Size: 4.2mmFlute length: 43mmOverall length: 75mmBox quantity: 10 pieces• Longer life• Superior performance with stainless steel• M35 HSS• HRC 65-67• 5% Cobalt• DIN338• 135° Split Point• Fully Ground• Amber Finish• Engineering quality