TechFast Heavy Duty Self Drilling Torx Roof Screw 5.5 x 85mm (100 Pk) in Silver | Steel

11.19 GBP

Self drilling screw with countersunk head and wing tip. For fixing timber to heavy section steel. Salt spray tested to 1,000 hours. Torx bit in each pack. If you're joining timber to heavy section steel, these TechFast roofing screws will give you a strong and secure fix. The screws are fitted with breakaway wings to protect the thread from engaging timber while drilling through. The wings ream a hole, then break off when they come into contact with the metal surface being drilled - this engages the thread with the metal, and not the wood.* Self-drilling screw with countersunk head and wing tip* Used for fixing timber to heavy section steel* No.5 drill tip for self-drilling heavy gauge steel up to 12.5mm* Torx-compatible insert for a higher transmission of power* Breakaway wings protect thread when drilling through* Recessed ribs improves countersinking for a flush finish* Salt spray-tested to 1,000 hours* Torx bit included in each pack | TechFast Heavy Duty Self Drilling Torx Roof Screw 5.5 x 85mm (100 Pk) in Silver | Steel

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