Counter boring for fixed bolt nuts.
Features:
- For 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.
- Shank penetrating type cutter is only available for 50mm cutter size.
SPECIFICATION
Product Number: 28M-GK180
Size: 18 mm (0.71 in)
Overall Length: 150 mm (5.91 in)
Spiral Length: 70 mm (2.76 in)
Shank Shape: 12 mm (0.47 in)
Suitable materials: Wood
Material: Guide, Drill:High Carbon Steel, Cutter:High Carbon Steel with T.C.T.
