GERYWOLF Cobalt Drill Bit Set, 25 pcs M35 High Speed ​​Steel Twist Bits, Metal Bits for Hard Metal, Stainless Steel, Cast Iron, Wood and Plastic, with Index Box 1.0mm 10.0mm

【Convenient Size Selection】: This 25 pcs M35 drill bit set includes everything you need to meet all your needs, bringing a user-friendly experience. Set includes: 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7.5mm, 8mm, 8.5mm, 9mm, 9.5mm, 10mm,10.5mm,11mm,11.5mm,12mm,12.5mm,13mm， [1-13mm, in 0.5mm increments]. 【Industrial Grade M35】: High-speed steel drill bit set, these drill bits contain 5% cobalt, which is much harder than the high-speed steel used in similar drill bit sets. Fully ground drill bits with smooth surface, high grinding precision, and sharp edges can reduce friction between the drill bit and the material and reduce the temperature of the drill bit during operation. 【Enhanced Precision Design】: Adopts 135° split point tip for faster penetration and less walking. Deep groove twist drill bit design ensures smooth chip evacuation and stable operation, providing accurate results for demanding work. 【High-speed Steel Cobalt Drill Bits】: These drill bits are made of cobalt-containing high-speed steel, which has high hardness characteristics, enabling them to easily penetrate tough materials. This drill bit set comes with a box with size indexing to help you organize the drill bits after use and prevent confusion of different sized drill bits. 【Wide Application】: M35 cobalt high-speed steel is more suitable for processing tough, high-tensile strength materials. Especially suitable for cutting hardened metals such as stainless steel, cast iron, high-temperature alloys, titanium alloys, hard plastics and wood. This cobalt drill bit set is a must-have for professionals, amateurs and home improvement enthusiasts.