Diamond coring motors are used with Vac-U-RigĀ® and Dymo-Rig diamond core rigs to drill holes into reinforced concrete. This 15 amp model provides core drilling power where 20 amp service is unavailable. This unit has a 375 RPM or 750 RPM operating speed. The 4090 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 2-1/2 in. to 8 in. in diameter.
Includes: (1) Diamond Coring Motor, 375/750 RPM, 15 Amp with Shear Pin [4090], (1) Built-In Water Swivel, Built-In Water Swivel(6) Extra Shear Pins, Extra Shear Pins(1) Open End Wrench, Open End Wrench(1) Water Control Valve, Water Control Valve(1) Water Hose Adapter, Water Hose Adapter
- Amperage (A): 15.0
- Voltage: 120 Volts
- Housing Material: metal
- Clutch Type: Not Applicable
- Included Safety Features: Shear Pins to protect against overload
- Two speeds: 375 and 750 RPM
- 15 amp motor
- Shear pin protection protects gears and motor
- Built-in water swivel