A 21-teeth gear. Module 0,6. Made of Ertacetal (special plastic for gears). Perfect for performing mobile mechanisms, engines, etc.
Dimensiones (ver fotografía):
- Z = 21 dientes
- R1 = 13,8 mm
- R = 12,6 mm
- D = 3,5 mm
- f = 4,0 mm
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