Stainless Steel Hex Self Drill Screws – for Steel 4.0 – 12.5mm
- A2-304 Stainless Steel bi-metal screws
- For fixing to steel 4.0 – 12.5mm thick
- 8mm Hexagon head
Bi-metal screws have a carbon steel point fusion-welded to the stainless steel screw for effective drilling and tapping into steel combined with ultimate corrosion protection. Used in pestigious projects and other situations where corrosion is not an option.
For screws into these steel thicknesses a Tek Screwdriver giving 1500 – 2500rpm should be used to ensure adequate drilling speed and driving torque