摘要
12.9级高强度螺栓圆柱头内六角螺丝杯头螺钉全牙M1M2M3M4M5M6-M24 ...
12.9级高强度螺栓圆柱头内六角螺丝杯头螺钉全牙M1M2M3M4M5M6-M24
谢谢赞赏！