Hardware Milling Cutter Titanium Coated M42 Twist Drill Bit 8% High Cobalt HSS Industrial Grade Drill Bit Set 13/19/25Pcs For Stainless Steel Drilling (Color : 13pcs)

Hardware Milling Cutter Titanium Coated M42 Twist Drill Bit 8% High Cobalt HSS Industrial Grade Drill Bit Set 13/19/25Pcs For Stainless Steel Drilling (Color : 13pcs)

• Suitable for side milling, end milling and finishing of cast iron and titanium
• 1. Use M42 high-speed steel with 8% high cobalt, which is very suitable for drilling hard materials, such as stainless steel.
• 2. The titanium coating surface makes the drill bit more wear-resistant and heat-resistant, suitable for high-speed processing.
• 3. The 135 degree bifurcation design makes drilling easier, not easy to break, and not slip.
• 4. High heat treatment hardness 70-75 HRC.