碳钢特氟龙六角螺母PTFE防腐层螺栓螺帽螺丝帽大全可定制M10-M40
对轮靠背轮柱销联轴器螺栓螺丝M8M10M12M14M16M18M20M24M30M36M40
12.9级M18高强度内六角螺丝螺栓M20M22M24M27M30M33M36M40M42M48/
镀锌吊环螺丝吊环螺丝 加长吊环螺栓 M12M16M20M22M24M30M40M80
外六角头发黑高强度调节螺套调整螺栓限位螺丝配螺母M40*1.5*105
不锈钢613012m内。六角膨胀-螺栓爆*内置螺丝701式膨胀内外m40mm8
不锈钢*3012m40膨胀。六角螺栓内置膨胀701mm861螺丝内外m-爆式内
10.9级细牙六角螺母螺帽螺栓螺丝帽M8M10M12M20M30M40M80*1.5x2x3
铜镀镍六角螺母M5M6M8M10M12M16M18M20M25M32M36M40螺栓螺帽螺丝
M18黑色12.9级杯头内六角螺丝圆柱头螺栓滚花M40M45M50M55M60M65
定制m27m28m30m32m36m40m50m6粗t型牙螺栓丝杆螺母螺杆梯形套装
塔吊地脚螺栓M40/42/48/45*1200/1400预埋紧固件9型螺丝塔机配件
大螺丝外六角头螺栓定制特大螺丝 8.8级m36m40m42m48m52m56m60m64
厂家直销钢结构地脚螺栓7字螺杆U型 m18m20m24m30m39m40L型预埋件
定制m27m28m30m32m36m40m50m6粗t型牙螺栓丝杆螺母螺杆梯形套装。
零售镀锌钢丝绳卡头夹头U型夹绳扣卡扣扎头锁扣紧绳器M6-M40