Spur Gear 4mm Inner Hole Gear 19T Mod 1 Carbon Steel Motor Gear
$9.99
Size - Teeth: 19T, Outer Diameter: 21mm / 0.83inch, Inner Hole Diameter: 4mm / 0.16inch, 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…