GA23 Steel Change GearBoston 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

Click here for spec sheet: SBPA Spec Sheet

They are spring set and electro-magnetically released

• Dependable

Material: Virgin PTFE with Fillers

Design fully engages the thread for secure locking

Click here for spec sheet: SARFB Spec Sheet

Movement is limited to a spring loaded pressure plate

The change gears we stock range from 20-tooth through 128-tooth gears

and with oil grooves

Spiral Angle: 35 Degrees

Click here for spec sheets: SSB Spec Sheet

Material: Bronze