2024 M35 Cobalt Drill Bit Set HSS-CO Drills Set for Drilling on Stainless Steel(5.0mm)

1、Made of M35 material includes 5% cobalt high hardness stable performance 2、135-degree split-point tip starts drilling immediately with less force and eliminates 3、Ideal for drilling on stainless steel cast iron sheet metal steel plate Angle iron 4、With high surface finish high grinding precision the blade is sharp and durable in use 5、It is widely used in the drilling of stainless steel plate automobile spring steel and die steel