Clamping coupling portion will not mar the shaft
And remember that spur gears and rack are available via our Guaranteed Same Day Shipment Program
Click here for spec sheets: BUCNPF Spec Sheet
Click here for spec sheet: UCHA Spec Sheet
KWY/Setscrew/Other: W/ Double KWY Only
YB32-3/4 Steel Spur Gear Internal Spur Gears Clamping coupling portion will notBoston Gear spur gears are designed to transmit motion and power between parallel shafts. The different styles offered include spur, gear rack, pinion wire, stem pinions, and internal gears, and most come with a selection of bore diameters, keyways, and setscrews to accommodate a wide variety of application requirements. They are available in plastic, non metallic, brass, steel, and cast iron and are manufactured in a variety of styles, including