Hex head roofing tek screws are used for joining metal roofing panels to steel frame buildings. Self drilling hexagonal head screws for use with a hex drive adaptor. Come complete with 16mm EPDM rubber washer. Fire and corrosion resistant. The No.3 drill tip is a fixing suitable for light gauge steel up to 5mm. The No.5 drill tip is a fixing suitable for heavy gauge steel up to 12.5mm. Light duty hex head tek screws vary in length from 26mm to 60mm, while heavy duty hex head tek screws vary from 38mm to 100mm. Other sizes are available to order on request. Box quantities vary depending on length.
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