螺丝规格代码(精选)
品名代号对照表1 A2 B3 CTAPPING SCREWS 自攻螺丝(MM) S/T/S HEX TAP BOLTS 六角螺栓(全牙) HEX TAP BOLT HEX CAP SCREWS (有华
螺丝规格代码(精选)