Adjustment Screw, Knob, Braked, 50.8 mm Travel, Ball Tip, 1/4-80

The 2.0 inch (50.8 mm) 9303 Adjustment Screw provides smooth, wobble-free adjustment combined with exceptional long-term stability and low susceptibility to thermal variation. It is the same 1/4-80 precision screw used in our optic mounts and allows you to build your own mounts or positioners. In addition to a travel of 2.0 in. (50.8 mm); the screw has a ball tip, braked brass bushing, and is knob adjusted.