Specification

Weight:66g
Material: HSS Drill 4241
Dimension:
5# 1.92mm (0.075 inch) x 49.5mm(L)
6# 2.22mm (0.087 inch) x 51mm(L)
8# 2.69mm (0.106 inch) x 60.85mm(L)
10# 3.09mm (0.122 inch) x 63mm(L)
12# 3.43mm (0.135 inch) x 70mm(L)

Features:
- Adjustable counter sleeve depth with Allen wrench
- Allen wrench is best for drill bit depth adjustment and pilot bit replacement
- Pre-drill and countersink to drive screws flush with the material surface or
deep hole counter boring for driving screw - heads below the surface.
- Drilling length can be adjusted for various length screws simply by loosening and
tightening the setscrew
- Special designed Ultra-sharp cutting flute clears chips efficiently and leaves a clean， smooth hole.
- Countersink or counter bore clean， smooth holes for screws and fasteners
- Standard hex shank can change quickly and impact drill/driver compatible
- Best used in wood and plastic

Package include:
5 x Countersink Drill Bits
1 x Hex Shank