Countersink Drill Bit Set:
Countersink drill bit set includes 5 pcs bits for drilling pilot holes. Adjustable counter bore depth for flush screw heads or deeper to cover with matching plugs.
- Standard 1/4 Inch hex shank is quick change compatible.
- Adjustable counter sleeve depth with allen wrench.
- Special designed steel counter sleeve countersinks or counterbores pilot hole.
- Heat treated, tempered and durable high speed steel for superior cutting power.
- Faster discharge of sawdust, you will get a nice smooth surface on any type of hard, soft wood or aluminum.
- Suitable for soft metal, insulation board, PVC board, wood board, etc.