DescriptionsUniversal 64P pinion gear, fit 3.175mm RC motor shaft, 21 Teeth 22 Teeth 23 Teeth 24 Teeth 25 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(64P) to work with and check the size before purchasing.
Specifications
Model: 64P
Teeth: 21T 22T 23T 24T 25T
Teeth Surface: Hardened
Material: Al
Surface Treatment: High-Frequency Quenching
Hole Size (Bore): 3.175 mm
Outer Diameter (Teeth Part): 9.1 mm/9.5 mm/10 mm/10.2 mm/10.6 mm (21T/22T/23T/24T/25T)
Effective Teeth Length: 2.4mm
Total Thickness: 9mm

Package includes

5 x 64P Pinion Gear, 5 x Set Screw，1 x hex key