For secure, non-weathered fastening of sheet metal overlaps. Suitable for high thrust load acceptance. Application range: 2x0.6 to 2x1 mm. Austenitic Stainless steel fastening of side laps and flashings. The thread-free zone under the fastener head prevents stripping of the threads in the sheets. The sheets are pulled together tightly, clamped in the thread free zone and sealed. The fasteners can be used without depth stop or torque control.
Washer: A= Aluminium with vulcanised EPDM S = Stainless steel, grade AISI 304 (European standard 104301) with vulcanised EPDM - 3mm x soft for effective weathersealing.
Drill point and lead thread section: Case hardened, special carbon steel.
Coloured fasteners available. Colour heads are achieved through powder coating the hexagon or irius® head and washerface.