活动止动螺钉 Adjustable stop screw

无头止动螺钉 headless setscrew

六角头止动螺钉 hex head set screw

止动螺钉扳手 set-screw wrench ; [机] setscrew spanner

活塞环止转销钉 piston ring lock

最小燃油限止螺钉 minimum fuel limit screw

截止螺钉 cutoff screw

带槽无头止动螺钉 slotted headless set screw

可调整止动螺钉 adjustable stop screw

衬套止动螺钉 bush set screw