GERYWOLF 91pcs Cobalt Drill Bit Set, M35 HSS Metal Bits for Stainless Steel, Cast Iron and Hard Metal, with Indexed Case, (1.0-10.0mmX0.1mm)

【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.