1型六角螺母 细牙 Hexagon nuts, style 1--Fine pitch thread 六角开槽螺母 Hexagon slotted nuts 全金属六角锁紧螺母 Prevailing torque type all-metal hexagon nuts ..
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Hexagon thin slotted nuts 六角开槽薄螺母
hexagon slotted and castle nuts 开槽六角螺母
Hexagon Slotted Castle Nuts 槽螺帽
Hexagon Slotted and Le Nuts 六角开槽螺母
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