ASTM A193 B7 B7m Heavy Duty Threaded Thread Rod Jiashan Apro Fastener Co., Ltd. Base Info Model NO.：AF-034Material：Carbon SteelSurface Finishing：Zinc PlatedCustomized：CustomizedTrademark：AprofastSpecification：M3-M72Origin：ChinaHS Code：7318190000 Description Pre：High Quality Ss 304 Flat Head Slotted Bolts Next：High Quality Ss 304 Torx Recess Hex Head Bolts
