Description
Description
Weha Weramic Porcelain & Ceramic Core Bits — 5/8-11 Thread and CNC (1/2" Gas)
Thin-wall diamond core bits for drilling ultra-compact sintered stone and large-format porcelain — Dekton, Lapitec, Neolith, Laminam — and ceramic floor and wall tile. A 2 mm rim drills fast and leaves smooth, chip-free holes in material from 6 mm to 30 mm thick. Two versions: 5/8-11 thread for grinders and drills, and 1/2" gas thread for CNC machines.
Features
- Ultra-thin 2 mm rim for fast, clean drilling
- Smooth, chip-free holes in porcelain and sintered stone
- 5/8-11 thread for standard grinders and drills
- CNC version with 1/2" gas male thread for Breton, Northwood, Park Industries and other CNC machines
- Diameters from 1" to 3-1/2"
| Part No. | Diameter | Connection |
|---|---|---|
| 142862 | 1 1/8" | 5/8-11 thread |
| 139193 | 1 3/8" | 5/8-11 thread |
| 142865 | 1 3/4" | 5/8-11 thread |
| 142866 | 2" | 5/8-11 thread |
| 142867 | 2 1/4" | 5/8-11 thread |
| 142868 | 2 3/8" | 5/8-11 thread |
| 142870 | 2 3/4" | 5/8-11 thread |
| 142871 | 3" | 5/8-11 thread |
| 142872 | 3 1/4" | 5/8-11 thread |
| 142873 | 3 1/2" | 5/8-11 thread |
| 142844 | 1" | 1/2" gas male CNC thread |
| 142845 | 1 1/4" | 1/2" gas male CNC thread |
| 139192 | 1 3/8" | 1/2" gas male CNC thread |
| 142846 | 1 1/2" | 1/2" gas male CNC thread |
| 142849 | 2 1/2" | 1/2" gas male CNC thread |
| Spec | 5/8-11 thread | CNC (1/2" gas) |
|---|---|---|
| Total length | about 3-1/8" | 3-7/8" (100 mm) |
| Max drilling depth | about 1-7/8" | 1-7/8" |
| Recommended speed | 1,600–2,800 RPM | 1,400–2,800 RPM |
| Feed rate | — | 3–4" per minute |
| Brand | Weha |
| Series | Weramic |
| Rim thickness | 2 mm |
| Materials | Dekton, Lapitec, Neolith, Laminam, large-format porcelain panels, ceramic floor and wall tile |
| Material thickness | 6 mm to 30 mm |
| Use | Wet use recommended |
| Not for | Engineered stone, quartz or quartz agglomerate (manufacturer) |
- Faucet and plumbing cutouts
- Drain and pipe holes
- Anchor installations
- Shop fabrication and jobsite modifications
Which version do I need?
Choose 5/8-11 for angle grinders and core drills with a 5/8-11 spindle; choose the CNC version (1/2" gas thread) for CNC machines.
Can I use them on quartz or engineered stone?
No. The manufacturer states Weramic bits are not for engineered stone, quartz or quartz agglomerate.
Wet or dry?
Wet use is recommended. Use wet cleanup methods and appropriate PPE.
⚠ WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov. Use water or other dust control and follow OSHA silica-dust rules. Always wear appropriate PPE when using power tools.
















