Specifications:
Material: Brass
Color: Yellow
Brand name: CNBTR
Modulus: 0.5
Weight:16g

Size of wheel:
T:20
TDia: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:3MM/0.12 Inch
Size:20x9.7x3MM/0.79x0.38x0.12 Inch( H x OD x ID)

Features:
1.Pack of one 0.5 modulus 3mm hole dia brass gear shaft and one 11mm outer dia 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:
Package include:
1 x wheel
1 x gear shaft
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
when you need assistance.