COMOWARE Cobalt Drill Bit Set 15Pcs M35 High Speed Steel Twist Jobber Length for Hardened Metal, Stainless Steel, Cast Iron and Wood Plastic with Indexed Storage Case, 1/16" 3/8"

M35 Cobalt HSS Drill Bit Set - Made of high-speed steel with 5% cobalt for superior wear, heat & abrasion resistance. These cobalt drill bits for hardened steel deliver longer lifespan in stainless steel, cast iron & hard alloys versus standard HSS. Set Includes - The set includes 15Pcs (1/16"- 3/8") Cobalt Drill Bits, This cobalt drill bit also includes the drill bit holder with size index for easy storage and organizing. 135° Split Point HSS Drill Bits - This drill bits set feature self-centering 135° quick-cut tips for effortless penetration with minimal pressure. The twisted shank design efficiently clears metal shavings, making them ideal for materials. Professional & Widely Use - This cobalt drill bit excels in drilling stainless steel, copper, cast iron, aluminum alloy, plastic and wood. Engineered for precision, these drill bits deliver unmatched durability across metalworking applications. 15 Sizes Included: 1/16" 2pc,5/64" 1pc ,3/32" 2pc,7/64" 1pc,1/8" 2pc ,9/64" 1pc, 5/32" 1pc, 3/16" 1pc, 7/32" 1pc, 1/4" 1pc, 5/16" 1pc, 3/8" 1pc.