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Suitable for interior and exterior use
2mmMaximum Safe Speed: 13200 R
Airbricks are one of the first entry points of flood water into a property
Screw size: 3
The straight valve configuration allows the pipe to connect directly into the radiator or towel rail without a bend
50 x Roofing & Cladding Screws 5.5 x 57mm Self Drill roofline_vents Suitable for interior and exteriorProduct Description Roofing & Cladding Self Drilling Screws Pack of 50 Premium self drilling roofing and cladding screws. Size: 5. 5 x 57mm. 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.