[机] nut wrench
nut wrench 螺母扳手 ; 螺帽扳手 ; 螺丝起子扳手 ; 扳子 Castellated nut 槽式螺母 ; 槽顶螺母 ; 槽形螺母 ; 蝶形螺母 .
key screw
... key sample 标准样品 key screw 螺母扳手 key seat knocker 键槽震击器 ...
nut socket driver
... nut runner 螺帽扳手 nut socket driver 螺母扳手 nut torque 拧螺母转矩 ...
construction wrench
PLARE NUT SPANNER
hub wrench