10PcsX0.4M Brass Gear Spur Pinion Bore Aperture 1.5MM 1.48MM 8/9/10/11/12 Teeth

0.4M Brass Gear Spur Pinion Bore Aperture 1.5MM 1.48MM 8/9/10/11/12 Teeth AD158-162. Bore Aperture:1.5mm(1.48MM,Tight distribution). you set into the axis directly,it would be better if it is hearted,and it will.

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