Truss fixing screws
- Material: Specific hardened steel.
- Head type: Hexagon (soket 8 mm).
- Thread diameter: #12 gauge (5.5 mm).
- Thread type: Full thread
- Washer: No.
- Drill capacity: Max 6.0 mm.
- Feature: very fast drilling speed and low loss.
- Finish: KOKEN self-drilling screws apply Hi-tech coating technology for corossion effectiveness better orther traditional silver coating screws.
- Application: Connect Truss's steel (the light weight steel).
- Size: 12-14×20 (5.5-14×20)