8.8高强度双头螺柱双头螺栓GB901等长螺柱加长M8M10M12M16M33M36
35CrMoA高强全螺纹螺柱HG20613HG20634高压全牙螺柱M12M16M20M36
高强度双头螺柱双头螺栓35CrMoA高温高压螺柱M12M16M20M24M30M56
螺柱六角螺柱单头六角铁柱隔离柱铜柱铜螺柱m3m2m2.5m4m5m6m8内牙
盲孔压铆螺母柱压铆螺柱 压铆件 压铆螺套 BSO BSOm2m3m4m5m6m8
三点焊接螺丝三点焊钉螺柱电焊螺栓承面凸焊M5M6M8M10焊钉
304不锈钢圆形加长螺母牙条丝杆连接螺帽双通螺柱全牙M3M4M5M6M8
304 316不锈钢丝杆通丝螺杆牙条全螺纹牙棒螺柱2M3M4M5M6M8M10
双通六角铜柱M3M4黄铜双头隔离柱螺母柱空心机箱主板板螺柱铜螺柱
304不锈钢双头螺栓两头牙加长螺丝螺柱螺杆丝杆牙棒M3M4M5M6M8M16
8.8级高强度双头螺栓GB901M10M12M16M22M30镀锌双头螺柱两头螺丝
M3M4M6M8镀铜焊接螺母柱圆形内螺纹点焊种焊碰焊植焊储能焊接螺柱
M18M20M24高强度螺栓8.8级双头螺丝 发黑 丝杆螺柱GB901
304不锈钢柱双通六角支柱螺柱隔离柱螺母柱加长六角 速发M3M4M5M6
8.8级双头螺丝双头螺栓GB901M14M22等长双头螺柱B型细杆模具