YP4836 Delrin Spur Gear Black Oxide Bearing Step Down Adapters are ideal

Step Down Adapters are ideal for making the shaft smaller

KWY/Setscrew/Other: No KWY or Setscrew

Just ask your CSR which is best for you

the CUCSF has a Hard Chrome bearing insert and a Stainless Steel housing

stem pinions

YP4836 Delrin Spur Gear Black Oxide Bearing Step Down Adapters are idealBoston 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