... All kind of dry wall screws 2.Size: 3.5x13----4.8x152 3.Grade:Gr.8.8,10.9,12.9,etc 4 ... .Material:#1018,#1022 Specification of our screw: 1.NameAll kind of dry wall screws2. ... StandardDIN, IFI, ISO, JIS, AS,BS, EN, SAE,ASTM3.GradeDIN: Gr.4.6,4 ... pallet or wooden case11.CaetificateISO9001:2008 What else of nuts we can offer?1.NameHex head ...