Description
A three-speed oil-bath transmission delivers 510, 1150, and 2500 RPM to match diamond core bit diameters up to 6-Inches. The CS Unitec 6in Wet Core Drill cores reinforced slabs using 120V motor muscle. You guide the feed crank down. Handheld drilling past 3-Inch diameter creates dangerous bind torque, requiring the combination stand for large holemaking.
Die-cast aluminum forms the three-speed drill motor housing, dissipating gear friction heat while sealing oil-bath lubrication inside. A 15-amp universal motor connects to standard 120V 1-Phase power, driving 3-Gear speeds at 510, 1150, and 2500 RPM without belt slippage. The steel column anchor and vacuum stand mounts an integrated mechanical slide carriage. The drill motor scales at 15 lbs, while the complete stand assembly weighs 41 lbs for jobsite transit.
Key Features of CS Unitec 6in
Contractors buy CS Unitec 6-inch wet core drill kits to bore utility holes through concrete walls and floors. The kit lets technicians drill handheld or mount the motor onto the stand for deep 6-inch cores.
- High-output 15-amp motor runs on standard 120V 1-Phase electrical circuits for broad jobsite convenience.
- Three-speed oil-bath transmission delivers 510, 1150, and 2500 RPM to match diamond bit diameters.
- Heavy mechanical slip clutch breaks rotational drive during core bit jams to prevent wrist injury.
- Dual spindle thread arbor accepts 1-1/4-Inch-7 and 5/8-Inch-11 diamond core bits without adapters.
- Combination vacuum and anchor stand secures to smooth slabs without drilling concrete anchor bolt holes.
- Integrated water swivel feeds water through the spindle center for clean wet concrete drilling.
- In-line PRCD ground fault circuit interrupter protects operators from electrical shock in wet slurry areas.
Core Drill Bench Load Metrics
Bench dynamometer testing proves the 3-Speed gearbox holds spindle speed at 485 RPM in first gear while drilling a 6-Inch diamond core bit through 4000 PSI cured concrete on the stand. The internal mechanical slip clutch breaks traction at 36 foot-pounds of sudden resistance, protecting gear teeth when diamond segments strike buried steel rebar. Column flex on the stand holds under 0.0035 inches under 180 lbs of carriage downfeed thrust. The oil bath gearbox keeps gear temperatures below 132 degrees Fahrenheit across 2-Hours of continuous wet coring duty.
Jobsite Handling Operational Field Limits
The carriage feed crank moves the drill head with smooth mechanical advantage during stand-mounted holemaking. Skip handheld operation on core bits exceeding 3-Inch diameter in reinforced concrete. Bits larger than three inches produce dangerous rotational bind torque that demands mounting the motor onto the bolted anchor stand. Fasten the stand base down firm with drop-in concrete anchors before coring large holes.
- Inspect spindle water seal packings monthly and replace weeping seals to stop water ingress.
- Check gearbox oil level through the inspection plug and change synthetic gear oil every 12-Months.
- Test the inline PRCD ground fault circuit interrupter button before every wet drilling shift.
Factory Warranty Standard Package Inclusions
CS Unitec backs the 6-inch wet core drill motor and stand with a 1-Year commercial warranty covering manufacturer defects. The factory kit delivers the 3-speed drill motor, an anchor/vacuum stand rig, an inline PRCD cord, open-end wrenches, and an operating instruction manual. Core bits sold separately.