JNBPRO COUNTERSINK DRILL BIT SET FOR METAL,5 PC HIGH SPEED STEEL WITH 5% COBALT HSS-Co M35 GRADE, SIZES 1/4", 3/8", 1/2", 5/8" & 3/4",1/4" ROUND SHANK,METAL COUNTERSINK BIT SET

COUNTERSINK FOR METAL. Made from HSS M35 material, these countersink drill bits are sure to provide smooth and clean countersinks on metals. Use these cobalt conuntersink for steel plates or hinges on drop-top tables, cabinets, and doors; stainless shelving racks with countersunk screws; or general use around the house in aluminum bars and plates, mild steel, Formica countertops, acrylic, and even wood furniture. COBALT STEEL. These countersink drill bit set for metal ensure durability as they are made with 5% cobalt steel. Features an 82-degree, 5-flute design they're capable of countersinking in steel, especially when using a hand drill or non-stationary drill where pure carbide bits would chip or break due to changes in drill orientation. STAYS SHARP FOR LONGER. Sharpness remains even after multiple countersinks; edges stay looking new with clean chips and no chatter as the bits are designed to work with metal, offering excellent performance and heat resistance, and can be used without coolant. RIGHT BITS FOR THE RIGHT JOB. Our countersink bit for metal comes in 5 SAE diameters: 1/4", 3/8", 1/2", 5/8", and 3/4". These varying sizes make countersinking easy, providing the right size for every task, whether it's metalwork, DIY, or woodworking projects. VALUE FOR PRICE. Since these counter sink bits are cobalt grade, they will work excellently and exhibit a longer lifespan in cutting hard metals such as stainless steel, cast iron, brass, copper, aluminum, and other soft metals, as well as any type of wood, especially when you apply cutting fluid for added care to the bits.