The Van der Valk VDV774221 is a stainless steel hammerhead bolt M8×20mm plus lock nut, used to connect two carrier rail sections together in the ValkPro+ system.
- M8 × 20mm stainless steel hammerhead bolt + lock nut
- Connects two carrier rail sections together
- Stainless steel for corrosion resistance
- Quick and reliable connection
Manufactured from high-grade anodised aluminium, the Van der Valk Hammerhead Bolt Coupling Set (M8 X 20)(VDV 774221) provides a strong and corrosion-resistant structural element for Van der Valk solar mounting systems on residential and commercial rooftops.
Its compatibility with all standard framed PV modules and straightforward installation ensure reliable long-term performance in demanding UK weather conditions.
