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Set include one 0.5 modulus 5MM Hole Dia brass gear shaft and one 20 T brass worm 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.
Made of brass, long time service.
Specifications: Material: Brass Color: Yellow Brand name: CNBTR Modulus: 0.5 Weight: 15g Size of wheel: T: 20 T Dia: 11.2MM Height: 12MM/0.47 Inch Outer Diameter: 11MM/0.43 Inch Hole Diameter: 4MM/0.16 Inch Step Size: 9x7MM/0.35x0.27 Inch ( Dia x H) Overall Size: 12x11x4MM/0.47x0.39x0.12 Inch( H x OD x ID) Size of gear shaft: Height: 20MM/0.79 Inch Outer Diameter: 9.7MM/0.38 Inch Inner Diameter: 5MM/0.2 Inch Size: 20x9.7x5MM/0.79x0.38x0.2 Inch( H x OD x ID) Features: 1.Set include one 0.5 modulus 5MM Hole Dia brass gear shaft and one 20 T brass gear wheel. 2.The transmission structure of shaft is simple, compact, small volume and light weight. 3.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. 4.High quality material selection, carefully processing create high quality product. 5.Made of brass, long time service. Package Content: 1 x Brass Gear Shaft 1 x Brass Wheel 2 x Screws The unique MPN label on each inner package, which confirm it passed the quality inspection and it is genuine item sold from our shop. Please offer it to us.