DRILL BIT NWKA COBALT DIN-338 FI 12.90 HSSE INOX FANAR

HHSE INOX cylindrical drill. HSSCo5 cobalt drill bits for drilling 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, providing a much longer service life. The spiral of the drill bit is ground.Manufactured to DIN 338 standards.The 135° apex angle ensures perfect centering and reduces pressure.. Types of INOX drill bits. Internal cooling: -Material type: HSSECoating: -. Maximum drilling depth: 5xD Workpiece material type:. Application:.