... .Name: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 ... .6,4.8,5.6,5.8,8.8,10.9,12.9; SAE: Gr.2,5,8; ASTM: 307A,307B ... small box,then pallet or wooden case11.CaetificateISO9001:2008 What else of nuts we can offer?1.NameHex head bolt,Square head ...