Description:
7pcs Carpentry Countersink Drill Bit Set 5-12# Woodworking Tools

Specifications:
Material: HSS Drill 4241
Black chamfer drill body material: steel 45
Shank: 2.5mm dia hex shank.
Dimension:

	Width (mm)	Length(mm)	The corresponding bit size(mm)	Chamfer size(mm)
5#	16	82	1/8“(3.18mm)	9.5mm
6#	15	80	9/64”(3.58mm)	9.5mm
7#	12	86	5/32“(3.97mm)	9.5mm
8#	16	87	11/64”(4.37mm)	9.5mm
9#	15	91	3/16“(4.76mm)	9.5mm
10#	17	93	13/64”(5.15mm)	12.5mm
12#	16	100	7/32“(5.56mm)	12.5mm

Features:
7pcs Carpentry Countersink Drill Bit Set 5-12# Woodworking Tools
7 Pcs set includes bits for drilling pilot holes for screw sizes 5#,6#,7# ,8#.9#,10# and 12#
Twist screws on the same axis, and screw nut below the board plane, drill collars can adjust up and down!
Apply to with a clamp or joint drilling machine, suitable for drilling in the hard wood and wood floor, machine screw for wood screw.

Package included:
7x Countersink Drill Bits
1x Hex Shank