Steel Pinion Gear 1/8" Bore 48P 31T (RRP1031)

Durable 31-tooth pinion gear for 48-pitch drivetrains, machined from hard nickel-plated alloy steel for long-lasting wear when paired with plastic spur gears. The pinion is precision-cut and stamped with the tooth count for quick identification, features a 1/8" bore for mounting on a standard shaft, and includes a 5-40 set screw. A 1/16" Allen wrench (not included) fits the screw to secure the gear in place.

Designed for reliable performance in hobby-grade gearboxes and RC vehicles, this pinion pairs with 48-pitch plastic spur gears to deliver smooth power transfer and consistent meshing. The hard nickel plating provides corrosion resistance, while the alloy steel construction offers stiffness to maintain accurate gear engagement through demanding use.