Steel Drilling Screws (Metal / Aluminium Framing)
Hex Head Tek Screws
Head Hex Tek Screws. Roofing Self Drilling steel trusses screw, Zinc Plated and 1000 hours Class 4 corrosion protection Ruspert Coated, Mechanically Galvalised, Self Drilling, Three and Five drilling point, 8mm Hex Head and with or without EPDM ring washer seal. Tie roof sheeting to Steel beams.