This is a 7 piece countersink chamfer drill set 3~10MM.
Specification:
Material: High Carbon Steel
Size: 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm.
Quantity: 7Pcs
Features:
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.