91pcs Cobalt Drill Bit Set - M35 HSS Metal Drill Bits for Stainless Steel - Cast Iron and Hard Metal - with Indexed Iron Case

Product Highlights

• 【High Quality 5% Cobalt Drill】: This fully ground cobalt drill bit set is made of 5% pure cobalt high-speed steel with a hardness of 68 HRC. Although the cost and price are slightly higher, the service life, heat resistance, wear resistance and chipping resistance are 3 times that of ordinary products.
• 【Professional Size】: This 91-piece M35 drill bit set includes everything you need for a convenient user experience. The set includes sizes from [1mm to 10.0mm, in 0.1mm increments]. It features a graduated metal box for efficient storage and retrieval.
• 【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.
• 【HSS Drill Bit Set】: HSS cobalt drill bit set is suitable for hardened steel and has excellent cutting performance. 19 sets of drill bits can be used for a long time. The blade is hardened and polished to improve sharpness, and precise cutting will not shake.
• 【Wide Application】: M35 cobalt high-speed steel drill bits are 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 metal drill bits set is a must-have for professionals, amateurs, and home improvement enthusiasts.