True 82° Angle. These pilot screw countersinks bits are designed to match the most commonly used woodworking 82° screws
Self-Clearing Drill bits are precisely fit into the countersink sleeves and the two chamfered flutes enable faster operation and self-clearing drilling on the swarf, making perfectly sized and shaped holes
Perfect Your Carpentry. The 2 in 1 design turns two-step countersinking into one-step operation. This can make perfect countersink holes for both flush-set and plugged screws, without splitting the wood and enjoying neat projects with drill bit sets
Versatile use Covers the full range of screw sizes. The countersink bits are ideal for bench drill, hand drill, and a conventional electric drill, perfect for wood, fiberboard, particleboard, plywood, plastic, PVC, rubber, etc..