4pcs Carpentry Countersink Drill Bit Set Woodworking Tools
4pcs #6 #10 #13 #16 Carpentry Countersink Drill Bit Set Woodworking Tools
Material: HSS Drill 4241
Black chamfer drill body material: steel 45
Shank: 2.5mm dia Hex Shank
Function: can drill the screw holes and keep on the same axis,after screw in screw, nut below the board!
Apply to with a clamp or joint drilling machine, suitable for drilling in the hard wood and wood
floor, machine screw for wood screws.
Used for carpenters, cabinet , furniture makers and other woodworking trades.
4 x Countersink DRILL BIT SET
1 x hex shank