10 Pcs 4.5mm Drill Bit, M35 HSS Cobalt Bits, CO Bits Set, Twist for Drilling on Stainless Steel

High Quality: with high surface finish, high grinding precision , the blade is sharp and durable in use. Note: The titanium drill bits set can NOT be used in the impact drill. Wide Application: ideal for drilling on stainless steel, cast iron, sheet metal, steel plate, Angle iron; widely used in the drilling of stainless steel plate, automobile spring steel and die steel. Material: Made of M35 material, includes 5% cobalt, high hardness, stable performance. After Sale Guarantee: We care for every customer's feeling. If this product does not meet or exceed your expectations, please do contact us first, we will solve the problem immediately.