A4 (1.4401  grade) austenitic stainless steel self drilling fastener for rainscreen cladding support systems.
Frame fastener for aluminium support systems.
A4 (1.4401  grade) austenitic stainless steel self drilling clamping fastener for rainscreen aluminium bracket/rail connections. The head form comes available in the industry standard 8 mm hex head and SR2 internal drive.
It features a new patent pending thread geometry and optimized drill point. It fixes pre-punched stainless steel or aluminium cladding support sections to aluminium sections with a thickness of 1.5 mm or more, securely and permanently.
Under the head is a unique thread geometry, which enables the aluminium rail/ bracket to be clamped tightly together and prevent over torqueing on fixed point applications. It also allows thermal movement on sliding point applications.
Features and benefits:
Dual drive (Hex8/ SR2) clamping fastener with reduced thread geometry under head to minimise connection failures due to over driving.
Can drill up to 5 mm aluminium.
The unique thread geometry also allows for clamping of 3.5–8 mm.
The SDA5-A4 Fasteners are DIN compliant application (in accordance with DIN 18516-1).
Up to 40 years - consult with manufacturer.
H20/10 Sheet cladding
H20/150 Sheet cladding
H20/155 Sheet cladding
H92/120 Rainscreen cladding
Stainless steel A4.
8 mm hex head and SR2.
13 mm flange.
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