Detail Specifications / Descriptions
Roof/Farmer Screw
Self Drilling Screw, Hex Washer Head, BK Thread, Full Thread, Zinc Plated, With 14M/M Black Bonded Washer, Thickness 2.0mm，RAL Colour
Using for fasten sheet-metal to walls and roofs, the aluminium washer with EPDM rubber covering ensures an effective seal and resistance to ageing. Moreover, farmer screws are electro-galvanised with coating thickness as available, and various colors as in RAL and RR for selection.
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