Wafer Head Stainless Steel (Bi-Metal) Tek Screws
Stainess Steel (Bi-Metal drill point)Wafer Head Tek Screws Self Drilling, PH2 Pozi Bit Wafer head.
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.