5pcs Countersink Drill Bit Set Screw Woodworking Chamfer Tools Quick Change Woodworking Countersink Drill Tapered Hole Drill Feature: True 82° angle - These pilot screw countersinks are designed to match the most common woodworking 82° screws you may encounter in the U.S. and Canada, and you won't need to force a longer countersink by overdriving the screw. Complete your woodworking - The two-in-one design converts a two-step countersink hole into a first step. This allows you to make perfect countersunk holes for flush and insert screws without splitting the wood and enjoying a neat project with a drill bit kit. High durability - This countersink bit set is made of classic HSS with an excellent HRC 62-64 hardness; it offers excellent cutting power, high durability, and good wear resistance. Sharpness, accuracy, and concentration - This precision countersink bit has a properly centered, and a sharp tip for extreme precision and to prevent marks on the workpiece. Precise drilling - The drill bit fits precisely into the countersink hole sleeve, creating perfectly sized and shaped holes. Versatile - Ideal for the bench, hand, and traditional electric drills, the countersunk hole drill is perfect for wood, fiberboard, particleboard, plywood, plastic, PVC, rubber, and more. SPECIFICATIONS: Material: Knife head YG8 alloy, knife body 45# carbon steel, surface sprayed Color: orange Size: 5pc Countersink drill blade 8mm/0.31in or 5pc Countersink drill blade 10mm/0.39in or 5pc Countersink drill core (2.8/0.1in+3/0.12in+3.2/0.13in+3.5/0.14in+4/0.16in) PACKAGE: 1 set of Woodworking Countersink Drill Tapered Hole Drill NOTE Please allow slight measurement deviations due to manual measurement. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed in the pictures.