圆柱头内六花键螺钉
Spline Socket Head Cap Screws
内键槽锥端紧定螺钉
Spline socket set screws (cone point)
内键槽沉头螺钉
Spline socket flat countersunk head cap screws
内键槽平端紧定螺钉
Spline socket set screws (flat point)
内键槽球面端紧定螺钉
Spline socket set screws (oval point)
内键槽平圆头螺钉
Spline socket button head cap screws
内键槽圆柱端紧定螺钉
Spline socket set screws (half dog point)
内键槽圆柱头螺钉
Spline socket head cap screws