3.17MM motor shaft
Shaft length 20 shaft sleeve 15CM
- 100% Brand New
- The Material of the shaft and shaft sleeve is 304 stainless steel.
- Prop nut: M4, stainless steel
- The diameter of the inner shaft is 4mm
- There are two high speed bearings at the end of the shaft sleeve.
- When you use it, you had better to put some butter or waterproof paste inside the shaft sleeve.