1.Bolt No:DIN933,DIN931,DIN934,ASTM 2.Bolt size:M3-M56 3.Bolt material:Carbon steel,iron,stainless steel 4.RoHS,SGS,Bolt We could make production of all kind of bolts,such as hexagon bolts,eyelet bolts,flange bolts,stud bolts,lifting bolts,butterfly bolt,carriage bolts etc,welcome for your inquiry,our quotation will made with 24 hours.HQ double bolt clamp,bolt certificate (RoHS,SGS) Specification ...