[Bore 7mm]
Hardened steel 1.5Mod 12 Teeth pinion gear for motors
CNC machined- Hardened steel to increased wear resistance and improve fatigue life
Material: #45 steel;
Surface treatment: teeth high-frequency hardening
Teeth thickness: 12mm; teeth outer diameter: 21mm; total height: 20mm;
Packing including: 1Pcs