4pcs 3mm-6mm HSS 5 Flute Countersink Drill Bits Set

Specification:

1. Brand new

2. Color: as picture shows

3. Material: HSS drill 4241

4. Black chamfer drill body material: steel #45

5. Diameter of Chamfer: 15.8mm

6. Shank: 1/4 hex shank

7. Size(approx. ): 3mm x 60mm(L) / 4mm x 75mm(L) / 5mm x 85mm(L) / 6mm x 93mm(L)

8. Four piece set includes bits for drilling pilot holes for screw sizes 3mm, 4mm, 5mm, 6mm

9. Special designed steel counter sleeve countersinks or counter bores pilot hole

10. Adjustable counter sleeve depth with wrench

11. Drill and countersink for wood screws without changing bits

12. Drilling length can be adjusted for various length screws simply by loosening and tightening the setscrew

13. 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

Package included:

1. 4pcs x woodworking chamfer

2. 1pc x hex shank

Note:

1. Please allow0.5-1cm errors due to manual measurement

2. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same