Step Spur Gear 3mm Inner Hole 31T Mod 0.5 Aluminum Alloy Motor Gear
$9.49
Size - Teeth: Teeth: 31T, Step Diameter: 12mm / 0.47inch, Step Height: 5mm / 0.2inch, Outer Diameter: 16.5mm / 0.65inch, Inner Hole Diameter: 3mm / 0.12inch, Effective Tooth Length: 5mm / 0.2inch, Total Thickness: 10mm / 0.39inch, Teeth Pitch: 1.5mm /…