CNBTR 40T Brass Gear Wheel & 5mm Hole Diameter Gear Shaft Kits 0.5 Modulus Set 1:40 Reduction Ratio Drive Gear Box
- Set include one 0.5 modulus 5MM Hole Dia brass gear shaft and one 40 T brass gear wheel..
- The transmission structure of shaft is simple, compact, small volume and light weight..
- Shaft Z1=1, turn a round of gear T, can get a large transmission ratio, generally in the power transmission, the transmission ratio I=10-80, like big transmission ratio, if use with gear transmission, will need to take the multi-stage transmission..
- High quality material selection, carefully processing create high quality product..