12.9级细牙外六角螺丝细扣螺栓细丝幼牙螺钉M10M12M14M16M18-M27

12.9级细牙圆柱头内六角螺丝螺栓M24M27M33M36M39M42M48M27*x2x3

8.8级外六角螺丝高强度六角螺栓发黑加长螺丝钉M4M5M6M8M10M12M27

8.8级镀锌外六角螺丝 加长螺杆 六角螺栓 M5M6M8M10M12M16M20M27

12.9级内六角螺丝高强度圆柱头螺栓杯头螺丝钉M22M24M27M30m33M36

8.8级黑色外六角螺丝螺母大全套装组合高强度螺栓M6M8M10M12-M27

7字地脚螺栓L型地角螺丝预埋件螺栓M12M14M16M18M20M24M27M30M36

地脚螺栓钢结构预埋螺栓地脚螺丝M12M14M16M18M20M22M24M27M30M36

GB825吊环螺丝吊环螺栓加长起重模具M10M12M16M18M20M22M24M27M30

M1012162024M27M30M33M36高强度8.8级镀锌外六角螺栓全牙半牙螺丝

M18M22M24M27M30 不锈钢304双头螺栓 双头牙螺丝杆 螺柱定做

M20M22M24M27M30M36】304不锈钢全牙内六角螺丝 圆柱头螺栓DIN912

M27*2/1.5牙10.9级细牙外六角螺丝细丝螺钉细扣螺栓70x80x100-400

M24M22M30M36M27水平调节空心螺栓细牙距2.0/1.5发黑小外六角通孔

9字地脚螺栓GB799预埋塔吊地脚螺栓M16M20M24M27M30M36

12.9级高强度外六角螺丝螺母螺栓平垫套装M27M30M33M36M39M42M48