Step drill for corby bolt 4mm x 3.1mm
Step drill for attaching scales to a knife handle using a corby bolt.
- Total length: 72.1 mm (L)
- Drill length: 31.8 mm (I)
- Drill length: 9.55 mm (I2)
- Diameter: 4.05 mm (Dh8)
- Diameter: 3.1 mm (dh10)
Only suitable for wood and plastics/resin.