Concrete Core Drills | 6″ to 24″ Drill Bits
$6,867.00 – $7,017.00
The Reimann & Georger CD616 / CD1824 Core Drills are designed for boring larger holes of 6 inches (15.2cm) to 24 inches (61 cm). The standard unit includes a stand, hydraulic motor, carriage, a 42” (106.7 cm) square mast, pillow block with garden hose water intake, and hydraulic hose whips.
The diamond core bits can drill through granite, masonry, and steel reinforced concrete on floors, ceilings, or walls, leaving a perfectly formed hole. The stand is secured to the surface with lag bolts, allowing for clean, precise hole boring while increasing operator comfort. The concrete core drill delivers consistent, efficient power with less noise and vibration.
*Qualifies for Flat Rate Freight of $400. Canadian customers, please call or contact us for a freight quote.
**Note: Lead times on the CD1824 are longer than usual. Please check with the factory at 1-800-742-8665 for lead times.
RGC Hydraulic Concrete Core Drills for Sale
RGC HydraCore Drills are the most efficient, precise tools for boring 6 in. (15.2 cm) to 24 in. (55.9 cm) holes through concrete floors, ceiling or walls. The low-speed, high torque hydraulic motor is equipped with a 10-position flow control valve to vary spindle RPM. The core bit and spindle are protected against damaging reverse operation by a free flow reverse check valve in the motor manifold. The system allows a maximum flow input of 15 GPM for compatibility with most open center hydraulic power supplies. Internal valving directs the proper flow of oil to the hydraulic motor.
The drill stand is secured to a surface with lag bolts, which allows for clean, precise hole boring. The Hydraulic power operation delivers constant, efficient power with less noise and vibration.
- Hydraulic Core Drill for 6 in. to 16 in. drill bits
- Hydraulic Core Drill for 18 in. to 24 in. drill bits
Our hydraulic core drills allow your crew to remove cores of material and provide the perfect solution for drilling a core to test the density of concrete or cutting holes for pipe installation. Designed with a powerful hydraulic motor, you’ll get more return on investment as the motor won’t burn out at the first challenging job.
Features & Benefits
- Light, compact and quiet design permits easy handling.
- Ideal for use in confined spaces.
- Permits safe, easy, non-percussive drilling through concrete and aggregates with or without reinforcing.
- Neat, clean, and damage-free holes are the result of superior power, speed, and hydraulic action.
- Core drills can be used underwater.
- Minimal maintenance and easy parts replacement.
- Use with any of our hydraulic power packs or a compatible hydraulic source.
Why Choose RGC Diamond Core Drills?
Our hydraulic core drills run on powerful hydraulic motors that extend the tool’s life span and offer a higher return on investment than gas and electric alternatives.
Our selection of core drill accessories includes hose whips, flow dividers and hoses to increase the versatility and convenience of your drill. You can also select your required drill bits for precision drilling ranging from 6 inches to 24 inches in diameter. All of our portable core drilling machines are compatible with our hydraulic power packs for even greater convenience.
At RGC Construction, we’re proud to be among the leading hydraulic core drill manufacturers and suppliers for contractors across the country. Buy your hydraulic diamond core drill and accessories online at the RGC Construction website to experience superior quality and extreme power. Our experienced team is also on hand to answer any questions and provide helpful industry advice.
CD616 – Hydraulic Core Drill for 6 in. to 16 in. drill bits(1¼ in. UNC thread), CD1824* – Hydraulic Core Drill for 18 in. to 24 in. drill bits (1¼ in. UNC thread)
What hydraulic oil is recommended for use?
Many types of compatible hydraulic oil are available through your local dealer/distributor. As an original equipment manufacturer, RGC uses a Grade ISO VG 32 hydraulic oil. If you have any questions concerning the type of oil suitable for core drill operation, please consult your local supplier or Reimann & Georger Corporation for details.
How to install the drill bit?
When installing a bit, ensure that neither the bit nor the core drill is hot. Always remember to wear protective gloves when handling, installing, and removing drill bits. Remove any dirt or other contamination that may have accumulated on either the bit or drill spindle. Then thread the
drill bit onto the drill spindle and tighten securely with a bit wrench.
Can I bolt the core drill to the floor or wall?
To bolt the core drill, measure the distance from the center of the anchor bolt slot in the base to the center of the drill spindle. Mark from the center of the hole on the floor to be drilled to the spot where the anchor bolt hole will be drilled. Then, drill and set a 1/2-inch anchor bolt. Place core drill over anchor hole and hand tighten the bolt. Lastly, adjust the 4 leveling screws to stabilize the base and plumb the mast. Secure the core drill by tightening the anchor bolt.
When bolting to the wall, you must fasten a chain to the core drill and secure the chain above the tool to prevent falling accidents.
How to maintain the core drill?
Proper care and maintenance will maximize the service life of the core drill. The following maintenance is recommended.
- Wipe all tool surfaces and fittings free of grease, dirt, and foreign material.
- Disconnect hydraulic hoses and wipe couplings clean, especially before a connection is made. This is the single most common point of entry for foreign particles which can cause premature wear of hydraulic components in the system.
- Check that all hardware on the tool is tight. The carriage head will become loose due to vibrations. Tighten shim adjust screws to remove play.
- Inspect the tool, hydraulic system, and fittings for signs of leaks, cracks, wear, or damage. Repair or replace as necessary.
- Inspect hydraulic hoses and couplings every day. Replace a damaged hose immediately.
- Keep a light coating of oil on the rack and pinion and drill spindle.
- Replace bit when the crown has worn to the point where it is flush with the tube.
As with most hydraulic tools, the hydraulic system requirements detailed in the following sections must be met but not exceeded to support core drill performance and longevity of equipment.
|Flow Range||8-15 gpm (30-57 lpm)||8-15 gpm (30-57 lpm)|
|Pressure Range||2000 – 2500 psi|
|2000 – 2500 psi|
|Speed||330 rpm||200 rpm|
|Core Bit Diameter||6-16 in. (15-41 cm)||18-24 in. (45-61 cm)|
|Drive||1-1/4 – 7 UNC||1-1/4 – 7 UNC|
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