|No Load RPM
|Suggested Dia in Med Aggregate
||7"-14" / 4"-7"
Diamond coring motors are used with Vac-U-Rig® and Dymorig diamond core rigs to drill holes into reinforced concrete. This 20 amp model features 4.8 peak horsepower with a 300 rpm or 600 rpm operating speed. The 4079 uses a shear pin to protect gears and motor against overload. Shear pins are easily replaced and extra pins are included with the unit. This unit will handle core bits from 4 in. to 14 in. in diameter.
- Two speeds: 300 and 600 rpm
- 20 amp motor
- Shear pin protection protects gears and motor
- Built-in water swivel
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