【29PCS 1/16"-1/2" Cobalt Drill Bits】29PCS - 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4", 17/64", 9/32", 19/64", 5/16", 21/64", 11/32", 23/64", 3/8", 25/64", 13/32", 27/64", 7/16", 29/64", 15/32", 31/64", 1/2" Metal Drill Bits. This drill bit fits the majority of power drill currently on the market.
【90 Days Warranty】If you are not fully satisfied for any reason, please contact us for 100% refund or replacement.
【M35 Cobalt High Speed Steel】Industry grade M35 high speed steel drill bit set, harder than 4241 HSS used in other similar drill bits set. These drill bits also contain 5% Cobalt, which increases wear-resistance and durability.
【Fully Ground Process & 135° Split Point】Spiral groove design is fully ground to clear particles efficiently, reduce friction and heat, and enhance drilling speed. Split point at 135° angle with straight shank eliminates walking, ensuring accurate and swift drilling without the need for a center punch.
【Multiple Application】Perfectly suitable for cutting through Hard Metal such as Stainless Steel, Steel, Sheet Metal and Cast Iron as well as Plastic, Aluminum Alloy, Wood and Other Softer Metals. Pay attention to speed, pressure and heat control during drilling.