Industrial Grade Nitride-Treated HSS: Engineered from high-speed steel (HSS) with a hardened nitride finish, this woodworking countersink bit provides exceptional durability and wear resistance, doubling the lifespan of ordinary carbon steel bits
Precision Depth Control: Customize pilot hole depth with the adjustable stop collar for consistent, accurate countersinking in woodworking
Professional 4-Flute Multi-Material Performance: Features a 82° countersink angle with high-speed steel (HSS) cutting edges that effortlessly drill through hardwoods (oak, maple), softwoods (pine, cedar), plywood, and MDF. Tapered pilot bits deliver fast, clean pilot holes for a snug screw fit. All-in-one drilling, countersinking, and counterboring maximize efficiency
Wide Application; Perfect for a wide range of woodworking projects, including cabinetry and furniture making, these countersink drill bits are compatible with hand drills, bench drills, and electric drills. Note: For the best cutting performance, we recommend using the wood plug cutter with a bench drill