Square drive screws are particularly advantageous in volume manufacturing where they are hugely time-saving. This is a far more positive drive than other drive types and the screw is self-retaining on the bit. These are popular screws for ducting manufacture.
- Bright Zinc Plated hardened steel self drill screws
- Pan Head
- No.2 Square drive
- Self retaining on the bit for fast, positive, one-handed operation
- Drilling capacity: 1.5 - 3.0mm