non-standard flat head socket rivets with internal thread 1. standard: non-standard ... 3. finish: zinc non-standard flat head socket rivets with internal thread1.Standards:DIN ,ANSI/ASME,BS, ... ,screws,studs,nuts,washers,threaded Rods,pins,rivets,stamping,circlips and other nonstandard parts.Shanghai ... main products of the company include the following 7 types:1. High strength alloy steel double end stud ...