Bolts,fastener,hex bolts Features: Stud bolts (threaded rods) and hex bolts a) Material: ASTM A193 B7,A320 L7, ASTM A3 Bolts,fastener,hex boltsFeatures: Stud bolts (threaded rods) and hex bolts a) Material ... , ANSI B18.2.6 DIN931,DIN933Packing:Roc-Master export standard Bolts,fastener,hex bolts