Description
Product type:- No12 x 38 class 3 Material:- Mild steel Finish:- Class 3 Galv Description:- Hexagonal flanged head tek screw with self tapping thread only thread half way then coarse thread plus rubber washer The class 3 coating is the ultimate for roofing barrier and anti-corrosion Diameter:- No 12 / 5.5 mm Head diameter:- 5/16″ Flange diameter:- 10.5 mm
