Description
Wafer Head Self Drilling Screws – Steel to Steel 5.5 x 20mm (Pack of 200)
- Versatile self drilling and self threading multi use screws.
- Low profile wafer head with cross recess.
- Can drill through material up to 3mm thickness.
- Bright zinc plated finish (BZP).
- Drills and fixes in one operation.
- Perfect for fixing thin metal sheets together such as cable trunking, cable tray & metal boxes.
- Large flat area under screw head reduces the requirement for using a washer.