
Designer Plants
Buildex 12G x 50mm Class 4 roofing screws in a bulk 1000 pack are timber roofing fasteners with a Type 17 point and a sealing washer, sized for larger jobs and trade use. The Type 17 point with a cutting flute gives fast, clean starts in timber and helps minimise splitting.
The Class 4 finish delivers strong, long-term corrosion protection, making these screws well suited to severe external environments and structural roofing exposed to weather or coastal conditions. The top-lock hex head with anti-loosening feature and seal helps keep fixings secure and weather-tight, and the 1000 pack is an economical option for roofers and builders working at scale.
Buildex 12G x 50mm Class 4 Roofing Screws with Seal, 1000 Pack are designed for reliable fixing in timber for roofing applications. Featuring a Type 17 point with a cutting flute, they ensure fast, clean starts in timber and minimise the risk of splitting. The Class 4 finish provides long-term corrosion protection for severe external and coastal applications, and the bulk 1000 pack suits larger jobs.
This is a bulk 1000 pack, suited to larger roofing jobs.
They are 12 gauge and 50mm long.
They have a Type 17 point with a cutting flute for clean starts in timber.
They have a Class 4 finish for severe external and coastal environments.
They use a top-lock hex head with an anti-loosening feature.
Yes. They come with a sealing washer to help keep the fixing weather-tight.





