... -5mm Finish:EG,CC,VC,HDG,PC Type:umbrella head,with washers,spiral shank Umbrella head roofing nailMaterial:Q195/Q235/Q215(standard ... per box,8 boxes per carton,or as per customer's requestWidly used to connect the concrete, wooden strip and steel ... bag,10/20 bags per carton,or as per customer's request contact: Bessie xu phone:86-15010698456 or 86-13831800310Fax ...