Details:
Set includes 7 PCS in different diameters: 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm
Pefect for drilling machines with chuck, for drilling on hard wood or wooden floor
Because of five chamfering blade, when the countersink drill bit set are drilling, the chips can be discharged quicker, smooth counterbore drilled at ONE time, the surface of the workpiece will be perfectly embedded screw cap
Drill length can be adjusted for various length screws simply by loosening and tightening the screw
Drill bit set are applicable to bench drill, hand drill etc.
Specification:
Bit diameter: 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm
Diameter of chamfer device: 15.8mm
Full length: 60 mm