TechFast Heavy Duty Timber to Steel Roofing Screws | 5.5 x 85mm | Elementech | Bag 50
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$ 13.20
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$ 35.16
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Colour: multi
Product description
- 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
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