NWKA drill bit DIN-338 FI 6.40 HSSCo5 INOX TN2 FANAR

. DIN-338 HSSCo5 INOX TN2 NWB drill bit. HSSCo5 TiN 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) and with a titanium nitride coating (TiN). Providing a much longer service life. The spiral of the drill bit is ground.Manufactured according to DIN 338 standards.The 135° apex angle ensures perfect centering and reduces the pressure force.. . . Types of INOX drill bits. Internal cooling: -Material type: HSSECoating: -/TN2. Maximum drilling depth: 5xD Workpiece material type:. Application:.