1pair 0.5 Modulus Small Reduction Ratio of 1:10 Motor Output Copper Worm Wheel Gear For DIYOOTDTYCopper worm:Worm module 0.5Outside diameter 7 MMInner hole :3 (with 3 mm motor shaft fitting)The length : 12 mmGear:Modulus : 0.5Number of teeth:20The outside diameter :11.4 MMThe total thickness :12 MM thickness :6 MMcircular truncated cone diameter :8 MM have a M3 top silk Worm and worm gear Coincide distance from the center distance is 8 mmPackaging1pairs x 0.5 Modulus Small Reduction Ratio of 1:10 Motor Output Copper Worm Wheel Gear For DIY
