Counter boring for fixed bolt nuts.
Features:
- Counter-boring with the guide bar fitted in the drilled hole.
- Upon changing the guide bar to the drill, counter boring and pre-hole drilling can be done at the same time.
SPECIFICATION
Product Number: 28S-LD120
Size: 12 mm (0.47 in)
Overall Length: 280 mm (11.02 in)
Spiral Length: 200 mm (7.87 in)
Shank Shape: 10 mm (0.39 in)
Suitable materials: Wood
Material: Guide, Drill:High Carbon Steel, Cutter:High Carbon Steel with T.C.T.
