Roofing Screws & Washers
 Material  Q195, Q235, steel
 Shank diameter  4.0/4.5/5/5.5/6.0mm
 Length  65/75/90/120mm
 Shank  twisted/screw/spiral thread
 Finish  E.G.
 Packing  100units per bag, 10 bags per carton
 MOQ  two tons per size