1.Name:All kind of dry wall screws 2.Size: 3.5x13---- ... kind of dry wall screws2.StandardDIN, IFI, ISO, JIS, AS,BS, EN, SAE,ASTM3.GradeDIN: Gr.4.6,4.8,5.6,5 ... .8,10.9,12.9; SAE: Gr.2,5,8; ASTM: 307A,307B,A325,A394,A490,A4494.ThreadUNC ... box,then pallet or wooden case11.CaetificateISO9001:2008 What else of nuts we can offer?1.NameHex head bolt, ... SAE, ASTM3.GradeDIN: Gr.4.6,4.8,5.6,5.8,8.8,10.9,12.9; SAE: ...