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Click here for spec sheets: UCFCF Spec Sheet
stem pinions
Because the efficiency of a worm gear drive depends on the lead angle and number of starts on the worm
Click here for spec sheet: SBLF-H4 Spec Sheet
Design fully engages the thread for secure locking
NDR8 Steel Stem Pinion 260mm ID Click here for spec sheets:Boston 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
