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Click here for spec sheets: SNASF Spec Sheet
For parallel shaft applications
Input Style: No Flange (projecting shaft)
While 20° PA is generally recognized as having a higher load-carrying capacity
Spiral tooth Miter Gears are better suited for higher speeds and high torque applications
GD21 Steel Change Gear Left Solid Output Shaft Click here for spec sheets:Boston Gear change gears are used primarily on machine tools to provide different cutting speeds while using a constant speed input. All Boston Gear change gears are manufactured with a double key to accept the compound steel bushings that connect two gears together, allowing them to spin on an intermediate shaft. The change gears we stock range from 20 tooth through 128 tooth gears, in one tooth increments, depending upon the diametrical pitch, for a
