GF100A Cast Iron 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

High axial load and torque capacity and does not mar the shaft

Click here for spec sheets: SUCSFX Spec Sheet

They are also the smoothest

Click here for spec sheets: SNATF Spec Sheet

Recessed screw head provides safety with an outside surface free of major projections

and cast iron and are manufactured in a variety of styles

Click here for spec sheets: UCFC Spec Sheet

Click here for spec sheet: NANFL Spec Sheet

Click here for spec sheets: SUCTFB Spec Sheet

Click here for spec sheet: SAFL Spec Sheet

These unique two-piece rigid clamping couplings come with an undersized ID

• Superior Disc Life