片语
socket t head wrench内六角扳手
socket countersunk head screws内六角沉头螺钉
Hexagon socket button head screws内六角平圆头螺钉
Hexalobular socket cheese head screws内六角圆头螺钉
hexagon socket countersunk head screw内六角沉头螺钉
socket-head screw内六角头螺丝;[机] 凹头螺钉
hexagon socket countersunk head bolt六角承窝平顶埋头螺栓
socket-head setscrew凹头螺丝