定制b6177镀锌平底六角法兰面螺母4m5m6m8m10m12m14自带垫圈光面螺帽
ns88级发黑高强外六角螺栓六方螺丝钉m5m6m8m10m12m14m16m18m20m2050
109级细扣细牙内六角螺丝螺栓螺钉m10x1m10125m12125x15m101202只
12.9级全牙细牙内六角螺丝螺栓 m14m16*1.5x1.
浩动316不锈钢内六角螺丝钉杯头内六螺钉螺丝螺栓m8m10 m12*70【1只】
定制b6177镀锌平底六角法兰面螺母4m5m6m8m10m12m14自带垫圈光面螺帽
ns88级发黑高强外六角螺栓六方螺丝钉m5m6m8m10m12m14m16m18m20m2050
109级细扣细牙内六角螺丝螺栓螺钉m10x1m10125m12125x15m101202只
12.9级全牙细牙内六角螺丝螺栓 m14m16*1.5x1.
浩动316不锈钢内六角螺丝钉杯头内六螺钉螺丝螺栓m8m10 m12*70【1只】