Steel Pinion Gear 1/8" Bore 48P 20T (RRP1020)

Durable 48-pitch steel pinion gear, precisely cut from hard nickel-plated alloy steel and designed to mesh with a plastic spur gear. This 20-tooth pinion has a 1/8 inch bore for a secure shaft fit and reliable torque transfer in compact gearboxes.

The tooth count is stamped on the gear for quick identification, and the package includes a 5-40 set screw to secure it to the shaft. A 1/16 inch Allen wrench (not included) fits the screw. When paired with a plastic spur gear, this pinion delivers dependable, long-lasting performance in hobby gear assemblies.