chain anchor nut 链锚螺母

self-aligning anchor nut 自行对准的托板螺帽

anchor bolt and nut 锚定螺栓螺母

reverse anchor jam nut 反向锁闭机构紧固螺帽

anchor bolt nut 地脚螺栓螺母 ; 系紧螺栓的螺母 ; 固定螺栓螺母

anchor pin lock nut 锁销防松螺母

Bolt & Nut Anchor Shackles 螺栓及螺母锚卸扣

nut anchor 螺母锚具

self-locking nut with angle anchor 角形托板自锁螺母