DIN-338 FI 7.8 HSSCo5 INOX TN2 FANAR COASTAL SHOOT HOLE.

HHSE INOX Cylindrical Drill Coated TN2. 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 hardness, providing a much longer 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: -/TN2. Maximum drilling depth: 5xD Workpiece material type:. Application:.