Heavy Duty Fastener
(Roofing screw #12/#14/#15) from Beyond Screw China are designed to secure insulation to steel, Wood & Structural Concrete Decking.
Beyond also FM approval factory.
Avaliable length from 32mm to 625mm (1 1/4 inch to 25 inch) & Popular size in stock.
Also can match TPO Plate,PVC Washer Or Barbed Plate.
