NHR8 Steel Stem PinionBoston 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

For parallel shaft operation

Base Mounting Attachment: No Base

Click here for spec sheets: SUCSFX Spec Sheet

Includes 2 set screws

Click here for spec sheet: SAFL Spec Sheet

gear rack is modified to fit specific applications

Click here for spec sheets: HUCNPT Spec Sheet

Type: Flanged

Diametral Pitch: 12

Pre-Lubricated: Yes

Click here for spec sheets: SSBSLF Spec Sheet

Click here for spec sheets: SNASFL Spec Sheet