Otter Hex Head SDS with Seal Split Thread, Class 4, Tub
Hex Head Coarse Split Thread with Seal Self Drilling Hex Drive
Hardened point designed to self drill through thin metal, and a broad flanged base for use in structural applications where holding power is paramount. Thread under head is designed to hold sheeting firmly to underside of the head to prevent water ingress and vibration under high wind.
For fixing roofing and cladding (with EPDM washer to weather seal).
Plumbers, Roofers, Builders, Fencers and DIYers.
Cold forged and roll formed, hex flanged head with EPDM washer, top grip thread, coarse thread, made from hardened wire.