YI 32128 Brass Internal Spur Gear 0.688" ID Mounted component remains fixed axially

Mounted component remains fixed axially during installation

Step Up Adapters are ideal for making the shaft larger

Click here for spec sheet: UCX Spec Sheet

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

oil-impregnated

YI 32128 Brass Internal Spur Gear 0.688" ID Mounted component remains fixed axiallyBoston Gears internal gears are spur gears turned "inside out." In other words, the teeth are cut into the inside diameter while the outside diameter is kept smooth. This design allows for the driving pinion to rotate internal to the gear, which, in turn, allows for clean operation. Intended for light duty applications, these gears are available only in brass. When choosing a mating spur gear, always remember that the difference in the number of teeth