NHR8 Steel Stem Pinion 1.3750" OD The different styles offered include

The different styles offered include spur

Click here for spec sheet: SBFL Spec Sheet

Click here for spec sheet: CUCNPP Spec Sheet

Please note: Stem pinions are not intended to be operated with each other

just has eccentric locking insert instead of set screw

NHR8 Steel Stem Pinion 1.3750" OD The different styles offered includeBoston 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