D hole gear 0.5 modulus plastic 3 / 4mm shaft gear model DIY 1pcs

SINONING

$0.40 
SKU: SN51

[Teeth]: 15 teeth

[Material]: POM

[Aperture]: D word 3mm hole, D4mm hole

[Appearance]: tooth thickness 6mm, 8.5mm outer diameter
package list:
1pc plastic gear


Example of use: 3mmD word for N20 motor, 4mmD word for 25-type gear motor
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