GB84A Cast Iron Change Gear 12mm ID Click here for spec sheets:

Click here for spec sheets: BUCNPPA Spec Sheet

Click here for spec sheet: CSB Spec Sheet

worms and worm gears operating together must have the same diametrical pitch and threads

P65Warnings

GB84A Cast Iron Change Gear 12mm ID 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