Spur Gear 6mm Inner Hole Gear 21T Mod 1 Carbon Steel Motor Gear
$10.49
Size - Teeth: 21T, Outer Diameter: 23mm / 0.91inch, Inner Hole Diameter: 6mm / 0.24inch, Effective Tooth Length: 10mm / 0.39inch, Teeth Pitch: 3mm / 0.12inch, Teeth Depth: 2.3mm / 0.09inch, Module: 1 Mod, Pressure Angle: 20° Material - The spur gear is…