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

Specification:

1. Brand new
2. Color: as shown in the picture
3. Material: HSS drill 4241
4. Black chamfer drill body material: steel #45
5. Chamfer diameter: 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. Specially designed steel counter sleeve for 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 by loosening and tightening the setscrew
13. Chamfer is 5 flutes, during use, can discharge wood more rapidly, hole is drilled smoothly in one go, screw cap perfectly embedded in the workpiece surface

Package included:

1. 4pcs x woodworking chamfer
2. 1pc x hex shank

Note:

1. Please allow 0.5-1cm errors due to manual measurement
2. Item color displayed in photos may appear slightly different on your computer monitor as monitors are not calibrated the same