12T 0.8Mod 1/8 Bore CNC Steel Pinion Gear (ARA311074)

This 12-tooth, 0.8 modulus CNC steel pinion gear is designed for 1/8-inch motor shafts, delivering precise, durable gearing for RC models. CNC machined from tough steel, it’s built to withstand demanding RC conditions and maintain reliable performance over time.

It features a wide tooth profile for smooth engagement and is laser-etched with the tooth count for quick identification. A precision threaded hole accepts an M4 x 4 mm set screw, which is included, ensuring secure mounting on 1/8-inch (3.175 mm) shafts. Includes one pinion gear and one M4 x 4 mm set screw.