8.8级高强度双头螺柱丝杆等长对穿连接螺栓螺杆M8M10M12M14M16M30

8.8高强度双头螺柱双头螺栓GB901等长螺柱加长M8M10M12M16M33M36

304不锈钢加长等长双头螺栓螺柱螺丝穿墙丝杆牙棒M3M4M5M10M12M16

8.8级镀锌双头螺栓高强度两头牙螺丝GB901-B加长对穿丝杆等长螺柱

8.8级双头螺丝高强度双头螺栓螺柱螺杆两头对丝GB901等长螺丝螺栓

8.8级镀锌双头等长螺栓螺柱M12M14---M30镀锌加长高强度双头螺杆

QD8.8级/10.9级发黑高强度双头螺栓等长加长螺柱螺丝杆牙棒M8-M36

304不锈钢六角双头连接螺栓 等长六角柱外螺纹螺丝连接柱非标定制

304不锈钢双头螺丝等长加长螺栓螺杆连接螺柱牙条丝杆牙棒M3-M16

高强度8.8级双头螺柱螺栓螺母套装等长连接丝杆M8M10M12M14M16M30

8.8级双头螺栓高强度双头螺柱等长双头螺丝GB901发黑螺杆m8-m20

45#钢双头螺丝连接螺杆等长螺栓M10M12M14M16 60-500长中间细杆

8.8高强度双头螺柱双头螺栓GB901等长螺柱加长M8M10M12M16M33M36

304不锈钢双头等长六角螺柱双头螺丝六角接线柱 加长连接螺栓非标

8.8级发黑双头螺丝螺母双头螺栓套装M8M10M12等长高强度双头螺丝

316不锈钢双头螺栓螺丝螺柱螺杆螺丝杆GB901等长牙棒M6M8M10M12

8.8级高强度双头螺栓双头螺丝GB901等长双头螺柱螺杆M8M10M12-M36

GB901双头等长螺栓B型 螺柱 连接螺丝M6M8M10M12M14M16M18M20-M30

304不锈钢双头螺栓GB901-B等长双头牙螺柱两头纹螺柱M3M4M5M6-M24

镀锌双头螺丝螺柱4.8级国标双头螺杆GB901等长双头螺栓M8M10M12

8.8级镀锌双头螺栓高强度加长两头等长牙螺丝杆柱M10M12M14-M27

GB901 8.8级高强度 双头螺丝等长淬火连接螺栓M18M20M24 中间细杆

304双头螺栓不锈钢螺柱加长等长螺丝穿墙丝杆牙棒M3M4M5M10M12M16

304不锈钢加长等长双头螺栓螺柱螺杆穿墙丝杆牙棒M3M4M5M10M12M16