100 x Roofing & Cladding Screws 5.5 x 51mm Self Drill Extractor Fans & Vents These vents are not a

These vents are not a product of Marley but are designed to fit Marley products

HVAC engineers

Vehicle Marker Boards

Ideal for all types of tradesmen

Wall or ceiling mountable for bathrooms

100 x Roofing & Cladding Screws 5.5 x 51mm Self Drill Extractor Fans & Vents These vents are not aProduct Description Roofing & Cladding Self Drilling Screws Pack of 100 Premium self drilling roofing and cladding screws. Size: 5. 5 x 51mm. Washered self driller with hex head for a 8mm socket. For fixing cladding and sheet steel to steel purlins. Zinc plated Elementech coating for superior anti corrosion salt spray tested to 1000 hours. The 16mm rubber washer beneath the aluminium flange expands under pressure and forms a permanent weather seal.