7pcs HSS Countersink Drill Bit Set Carpentry Reamer Drill Bit Woodwork 3mm-10mm
[Product Information]
- 7 piece set includes bits for drilling pilot holes for screw sizes 3mm, 4mm, 5mm, 6mm,7mm,8mm,10mm
- The woodworking drill is made of HSS 4241, the middle chamfer drill body is NO. 45 steel.
- Adjustable counter sleeve depth with wrench.Drilling length can be adjusted for various length screws simply by loosening and tightening the setscrew.
- Chamfer is 5 flutes,In the process of using, can discharge the wood more rapid, sink hole disposable drilled smooth, screw cap perfect embedded in the surface of workpiece.
- It is suitable for drilling machines with chuck, for drilling on hard wood or wooden floor.
