Techfast Roofing Screws 5.5 x 38mm Heavy Section Hex Self Drilling Pack of 100.
Product Reference: TFHH5538
Self drilling roofing screws with a hexagon head for fastening timber to heavy section purlins. They have a 16mm epdm and steel washer to provide a seal against the weather. Techfast roofing screws have superior anti-corrosive protection from the elements and are 1000 hour salt-spray tested. An 8mm hexagon drive socket is required for these screws which is sold separately.
Size: 5.5 x 38mm
Driver Bit Size: 8mm Hex
Pack Quantity: 100
Finish: 1000 Hour Salt-spray Tested Elementech
Hex headed self drilling roofing screws known as Tek screws with 16mm washer for fastening into heavy section steel.
Head size 8mm / 5/16".
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