DIN-338 FI 4.7 HSSCo5 INOX FANAR WORTH DRILL

. DIN-338 FI 4.7 HSSCo5 INOX cobalt drill bit. HSSCo5 cobalt drill bits for drilling in stainless steel, acid-resistant steel and structural steels.The drill bit is made of high-speed steel containing 5% cobalt (Co). The additional 5% cobalt improves the hardness, ensuring a much longer service life. The spiral of the drill bit is ground.Made to DIN 338 standards.. Apex angle of 135°provides perfect centering and reduces pressure.. Types of INOX drill bits. Internal cooling: -Material type: HSSECoating: -. Maximum drilling depth: 5xD Workpiece material type:. Application:. .