Hole size range: 60 mm ~1000 mm
Specification
1. Hole size range: 60 mm ~1000 mm
2. Can be swap three motors at the same time to achieve different power
3. Can be multi-angle by construction
4. Can be work underwater
Feature
1. Three different powers motor optional.
2. It can drill holes from 60mm to 1000mm, and drill holes underwater.
3.
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