TechFast Heavy Duty Timber to Steel Roofing Screws 5.5 x 109mm Elementech Bag 50

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General description Forgefix TechFast Roofing Screws are heavy-duty screws designed for securely joining timber to steel or heavy section purlins. They feature a self-drilling point and breakaway wings that create a clearance hole in the timber, preventing jacking and ensuring a strong bond with steel surfaces. The screws have a countersunk, Torx-compatible head that sits flush with the surface for a neat finish. Technical specifications Size: 5.5 x 109mm Pack quantity: 50 screws Fixing method: Suitable for heavy section purlins and timber to steel Coating: Elemtech, corrosion-resistant and salt spray tested for 1000 hours Suitable for steel thicknesses: 6.0mm to 12.5mm Compatibility and accessories Supplied with a Torx compatible bit for easy installation Installation Use the self-drilling point to quickly penetrate steel and timber. The wings create a clearance hole in the timber before breaking off, preventing jacking. Drive the screw using the provided Torx bit until flush with

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Used for joining Timber to steel frame buildings No.5 drill tip for self-drilling light gauge steel up to 12.5mm Screw fitted with breakaway wings that create a clearance hole to protect thread from engaging timber when drilling through Breakaway wings will ream a hole then break-off when they contact the metal surface to be drilled Torx compatible insert for a higher transmission of power, Weight: 1.61598838046 Pounds, Manufacturer: ForgeFix