90 degree Gearbox, Right-angle Gearbox, Planetary Gearbox
Hollow Shaft with Keyway: general use; axis goes through the hollow shaft with keyway
Reduction Ratio: 1：1～1：250
Accuracy：standard model 10 arc minutes；precise model 3 arc minutes
High Strength：spiral bevel gear adopts high strength SCM415 material with tooth surface hardness of HRC60 ° ~ HRC62
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