YI 3264 Brass Internal Spur Gear 1.375" Long They are spring set and

They are spring set and electro-magnetically released

Pilot bore can be opened to the nominal ID reflected in the part number

Click here for spec sheet: HUCP Spec Sheet

Straight tooth Miter Gears are cut with a generated “Coniflex” tooth form providing increased life and quieter operating conditions

YI 3264 Brass Internal Spur Gear 1.375" Long They are spring set andBoston 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