304不锈钢单头六角接线柱隔离柱阴阳螺柱单通内外牙连接铜柱外住
M20不锈钢304丝杆全螺纹牙棒通丝螺柱螺栓螺丝牙条M4M5M6M8M10
六角铜柱单头铜螺柱电脑机箱主板螺丝帽钉单通螺母间隔离柱支撑柱
16M24 金超304不锈钢双头螺栓双头螺丝螺杆丝杆螺柱M3M4M5M6M8M10
8.8高强度双头螺柱双头螺栓GB901等长螺柱加长M8M10M12M16M33M36
M2M2.5M3mm六角铜柱单头铜螺柱机箱主板螺丝柱隔离柱电路板接线柱
单头六角铜柱M3铜螺柱机箱主板螺丝电路板接线柱单通六角隔离柱M4
304不锈钢双头螺栓两头螺丝白钢螺杆螺柱M3M4M5M6M8M10M12M16M18
单通六角隔离柱塑料螺柱尼龙柱支撑柱塑料pc间隔柱铜柱六角螺丝M3
35CrMoA高强全螺纹螺柱HG20613HG20634高压全牙螺柱M12M16M20M36
铜柱M3M4M5六角双通铜螺柱主板螺丝机箱间隔离支撑柱6角螺母柱2mm
组合牙条螺杆螺柱牙棒螺栓螺帽螺丝 304不锈钢全螺纹丝杆螺母套装
304不锈钢牙条丝杆全螺纹通丝牙棒螺柱无头螺杆M4M5M6M8M10M12M16
铜丝杆黄铜牙条铜全牙螺柱牙棒螺杆丝杆M2.5M3M4M5M6M10M12M14M16