amoolo 11/64" Cobalt Drill Bit(5 Pcs), M35 HSS Metal Bit Set for Hard Metal, Stainless Steel, Cast Iron

5 x 11/64 inch cobalt drill bits: 5 pieces, 11/64 inch metal drill bits. This drill bit fits most drills currently on the market. 【M35 High Speed Cobalt Steel】Industrial grade M35 high speed steel drill bit set, much harder than HSS used in other similar drill sets. These drill bits contain 5% cobalt, which increases wear resistance and durability. COMPLETE GRINDING PROCESS & 135° Slotted Tip The fully sharpened spiral groove design quickly removes particles, reduces friction and heat for faster and cooler drilling performance. 135° split point with straight shank prevents slipping and makes drilling more accurate and fast. No center punch required. 【Multiple Uses】Perfectly suitable for cutting hard metals such as stainless steel, steel, sheet metal and cast iron, as well as plastic, aluminum alloy, wood and other softer metals. ✔ When drilling, pay attention to the control of speed, pressure and heat. 【90 DAY WARRANTY】If you are not completely satisfied for any reason, please contact us for a full refund or replacement.