NBR6 Steel Stem Pinion Double Solid Output Shaft Because the efficiency of a

Because the efficiency of a worm gear drive depends on the lead angle and number of starts on the worm

Includes 2 set screws

This may include drilling and tapping mounting holes

Input Style: F Standard Quill Flange

NBR6 Steel Stem Pinion Double Solid Output Shaft Because the efficiency of aBoston Gears stem pinions feature small numbers of teeth that are cut integral to the steel shaft. Using a special, enlarged pitch diameter minimizes the undercutting of the teeth. When run with standard stock spur gears, stem pinions increase the ratios normally found in spur gear drives. Please note: Stem pinions are not intended to be operated with each other, with internal gears, or with eleven tooth spur gears. They will, however, run