HSS Twist Drill Bit, Metric M35 Cobalt Extra-Long Straight Shank Drill Bits for Stainless Steel Alloy Steel Cast Iron(10.5x200mm)

Size: 2-14mmLength:160,200,250,300,350,400mmStraight round shank.Smooth surface to reduce friction, sharp blade for fast drilling hole.Metal drill bit set for the professional machining of alloyed and mild steel, stainless steel , grey cast iron, cast steel, acid and heat-resistant steelsMeterial: High speed steel + 5% M35 Cobalt Package Including:1pcs Twist Drill Bit

• Twist drills are made of high hardness, wear-resistant HSS + M35 cobalt.
• The double spiral edge design accelerates chip removal, avoids clogging and improves drilling efficiency.
• The addition of M35 cobalt improves the durability of the drill under high temperature environment and prolongs the service life.
• Suitable for drilling hard metals such as stainless steel, alloy steel, cast iron, etc., and can also quickly drill through soft materials such as wood and PVC.
• Self-centring design to improve efficiency, high hardness, wear resistance and long service life.