1/4 inch Hex Shank Countersink Drill Bit with Wrench 4pcs

 

Main Features:
- High speed steel body designed, durable and excellent for use
- Drill the screw holes and keep on the same axis
- Standard 1/4 inch hex shank is quick change compatible
- Convenient to change the bits with the included mini hex wrench which loosens and tightens the bits to hold and release as needed
- Suitable for drilling in the hard wood and wood floor, machine screw for wood screw
- 4 sizes in one drill bit set, which meets your different needs perfectly