7pcs 3-10mm Countersink Drill Bit Set Woodworking

Specification: Material: High Carbon Steel Size: 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm Quantity: 7Pcs 7Pcs: 3-10mm Feature: 1.The three-point woodworking drill is made of high-speed steel 4241, and the middle chamfer drill body is 45 # steel. 2.The chamfer is five-edged, and it can discharge the wood chips more quickly during use. 3.Drill a smooth and flat countersink at one time, and insert the screw cap into the surface of the workpiece.