SX Stainless Steel Self Drilling Fasteners

A4 (1.4401 [316] grade) austenitic stainless steel self-drilling fasteners, with 5.5 mm diameter threads into the purlin/ rail. The head form comes available in the industry standard 8 mm hex head, Irius® and dome low profiled head.

Features and benefits:

Self drilling fastener range suitable for materials up to 14 mm.

Sealing element:

The sealing element comprises of a light grey EPDM of minimum 2 mm thickness, maximum 75º shore hardness, to achieve air tight and water tight connection.

The EPDM sealing element is permanently bonded (vulcanized) to a 1 mm austenitic stainless steel conical shaped backing washer.

Approvals:

The SX-A4 Fasteners are ETA approved (ETA number 10-0198) and are CE marked. Technical performance in terms of tensile and shear are all documented in the ETA to enable the engineer to determine safe working loads in accordance with EuroNorms.