uxcell Mod 1.5 Pinion Gear Set 8mm Shaft 17T 18T Motor Gears Hardened Steel Pinion Gear for RC Car (2pcs)

Descriptions Universal Mod 1.5 pinion gear, fit 8mm RC motor shaft, 17 Teeth 18 Teeth surface hardened, for RC car truck and more. Made of 45# carbon steel, the pinion gear has better hardness, higher strength and resistance to deformation than ordinary A3 steel. Frequency hardened parts have higher wear resistance, higher strength and lower notch sensitivity, durable and reusable. Each pinion is equipped with grub screws for more stable rotation and easy installation. Please make sure your spur gear have the same pitch(Mod 1.5) to work with and check the size before purchasing. Specifications Model: Mod 1.5 Teeth: 17T 18T Teeth Surface: Hardened Material: 45# Steel Surface Treatment: High-Frequency Quenching Hole Size (Bore): 8 mm Outer Diameter (Teeth Part): 28.5 mm/30 mm (17T/18T) Effective Teeth Length: 2.4mm Total Thickness: 20mm Package includes 2 x Mod 1.5 Pinion Gear, 2 x Set Screw