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Core drills, also called coring machines, cut clean round holes through concrete, brick and stone. Plumbers, electricians, aircon installers and contractors use them for pipe, duct, conduit and drain openings in walls and slabs.
How to choose a core drill
- Hole size: check the maximum diameter. Smaller machines handle pipe and conduit holes, while larger machines and rig stands handle drains and ducts.
- Power: 1,350W suits small holes. 2,400W to 3,800W machines keep their speed in large holes and reinforced concrete.
- Handheld or rig stand: a rig stand keeps the bit straight and steady for big holes and long runs.
- Wet or dry: wet coring uses water to cool the bit and control dust. Dry coring is cleaner indoors but suits smaller holes.
- Bit fitting: many bits use a 1-1/4" 7UNC thread. Check the thread or use an adapter.
Popular core drills at KHM Megatools
| Model | Brand | Power | Good for |
|---|---|---|---|
| DDM13501 / DDM28001 / DDM38001 | Ingco | 1,350W / 2,800W / 3,800W | Small to large holes for home and site work |
| KU152 / KU153 | Kress | 2,400W, rig stand option | Steady coring up to 180mm |
| DD2-160 XE | Milwaukee | Dry core drill | Clean indoor coring |
| AZZ200 / AZZ02-160 | DCA | Up to 3,300W, rig stand | Larger holes in concrete |
| CDM 163 / CDM 353 | Norton | With rig stand | Contractor coring jobs |
| SH2100 | Shibaru | 3,500W | Large-diameter holes |
Choosing core bits
Use wet diamond bits for reinforced concrete and dry bits for brick and block. This collection also has core bits from Tatara, Norton, Bosch, Milwaukee, AGP and Benzwerkz, plus SDS-plus core bits and adapters. See more core drill bits, or use a rotary hammer for small anchor holes.
All products from KHM Megatools are genuine and covered by the manufacturer's warranty where applicable.
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