Features
- Special designed steel counter sleeve countersinks or counter bores pilot hole.
- Adjustable counter sleeve depth with a wrench.
- Drill and countersink for wood screws without changing bits.
- Drilling length can be adjusted for various length screws simply by loosening and tightening the setscrew.
- Countersink or counter bore clean, smooth holes for screws and fasteners.
- For use in wood and plastic.
- Apply to with a clamp or joint drilling machine, suitable for drilling in the hard wood and wood floor, machine screw for wood screw.
Specifications
- Material: High Speed Steel Drill 4241
- Black chamfer drill body material: steel 45
- Size:
- 5# ：1.98 mm (0.07795 inches) x 50 mm (length)
- 6#: 2.38 mm (0.0937 inch) x 55 mm (length)
- 8# ：2.78 mm (0.1094 inch) x 60 mm (length)
- 10#: 3.175 mm (0.125 inch) x 63 mm (length)
- 12#: 3.56 mm (0.14 inch) x 65 mm (length)
- Shank diameter: 1/4 hexagonal handle
Package
- 5 x Drill Bits
- 1 x Hex Shank