Carbide End Mill, M35 Cobalt Drill Bit Set, 1-13mm Metric Hss Twist for Metal Cast Iron Stainless Steel(3.5mm(10pcs))

Size: 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.2mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7mm, 7.5mm, 8mm, 8.5mm, 9mm, 9.5mm, 10mm, 10.5mm, 11mm, 11.5mm, 12mm, 12.5mm, 13mm Straight 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:5pcs or 10pcs Twist Drill Bit Set

• Twist drills are made of high hardness, wear-resistant HSS + M35 cobalt.
• 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.
• The double spiral edge design accelerates chip removal, avoids clogging and improves drilling efficiency.
• Wide for drilling concrete, walls, bricks, ceramic, wood, glass, tile, stainless steel and more; while drilling harder materials, Water or coolant is highly recommended