10pcs M35 HSS Cobalt Drill Bits Set 4mm CO Twist for Drilling on Stainless Steel High speed Applications in Steel, Cast Iron, Titanium

MATERIAL: Made of M35 material, includes 5% cobalt, high hardness, stable performance HIGH QUALITY: with high finish, high grinding precision , the blade is sharp and in use 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 NOTE: The titanium drill bits set can NOT be used in the impact drill 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., Weight: 0.0220462262 pounds, Manufacturer: Hilitand