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Step Up Adapters are ideal for making the shaft larger
Click here for spec sheet: CSB Spec Sheet
and cast iron to suit your application’s requirements
Click here for spec sheets: SSER Spec Sheet
NFR5 Steel Stem Pinion 80mm ID Step Up Adapters are idealBoston 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
