GD20 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

• Full Torque Stop

Click here for spec sheets: SUCNPT Spec Sheet

Input Style: F Standard Quill Flange

cutting to specific lengths or matching ends of two pieces of rack to create a continuous length longer than stock

They are spring set and electro-magnetically released

Material: Molded Nylon

Max V Value: 300 fpm

View Catalog PageInstallation & Removal Instructions

Output Bore/Shaft Diameter: 2

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

Bost-Bronz® bearings are also highly versatile and can be used for production and replacement requirements throughout general industry

Click here for spec sheets: Stand Off Catalog