Coupling Fasteners,Connecting 1.ISO,ANSI,CE,DIN,BS& ... capable 3.Grade:4.8 ,6.8,8.8..... Coupling Fasteners,Connecting Fasteners,Aluminum Fasteners. 1.What’s the ... accordingto customer's demand .ThreadType "M","UNC","UNF","BSW"thread are available.Head typeHexagon head,Mushroom head,Pan head, ... should be paid before shipment ,small order will be full payment .6)Shipment:By truck,by air,by sea.. ...