4Pc M35 Cobalt Countersink Bits 90 Degree for Metal Stainless Steel Wood

4Pc M35 Cobalt Countersink Bits 90 Degree for Metal Stainless Steel Wood

Premium M35 Cobalt Steel for Extreme Durability Made from high-speed M35 cobalt steel with a protective coating, these countersink bits resist heat and wear, ensuring long-lasting performance even in tough materials like stainless steel and hardened alloys Complete 4-Piece Set for Versatile Sizing Covers all common hole sizes (1/4"–15mm), including 1-4mm, 2-5mm, 5-10mm, and 10-15mm—perfect for screws, deburring, and chamfering edges without needing multiple tools Smooth, Chatter-Free Cutting with Efficient Chip Removal The precision 90° cone tip ensures accurate centering, while the deep spiral flutes prevent clogging and eject chips quickly for cleaner, faster drilling Easy Storage & No More Lost Bits Each bit comes in its own protective case, keeping them organized and portable—ideal for workshops, job sites, or home DIY projects Works with Any Drill—From Professionals to DIYers Compatible with hand drills, drill presses, milling machines, and impact drivers, making it a must-have for machinists, metalworkers, carpenters, and hobbyists For chamfering wood and aluminium materials, deburring after chamfering and drilling pipes or used as acrylic sheets. In addition, the shape of the shaft is hexagonal, so it can be used with impact drivers, electric drills and charging drills.