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Description
Description
Weha 1-3/8 in x 4 in Vacuum Brazed Diamond Core Bit, 5/8-11 Thread
Vacuum-brazed diamond core bit with a 1-3/8 in (35 mm) cutting diameter and 4 in (102 mm) usable depth. The 5/8-11 thread mounts directly on standard angle grinders. Used for fast hole-cutting in granite, marble, and engineered-stone countertops where a clean exit is acceptable.
Features
- 1-3/8 in (35 mm) cutting diameter
- 4 in (102 mm) usable depth
- 5/8-11 thread — fits standard angle grinders
- Vacuum-brazed diamond — aggressive cutting, long life
- For granite, marble, and engineered stone
| Property | Detail |
|---|---|
| Brand | Weha |
| Part Number | 30138 |
| Cutting Diameter | 1-3/8 in (35 mm) |
| Usable Depth | 4 in (102 mm) |
| Thread | 5/8-11 |
| Bond | Vacuum brazed |
| Unit Weight | 2.2 lb (1.0 kg) |
- Mount the bit and verify thread engagement.
- Start the cut at a slight angle, then rotate to fully seated.
- Run wet — continuous water across the cutting surface.
- Maintain light, even feed pressure to avoid glazing.
- Wear ANSI Z87 eye protection and a dust-rated respirator.
- Inspect the tool/accessory before each use; remove from service if cracks, deformation, or excessive wear are visible.
- Follow OSHA and local site safety procedures at all times.
- Wet drill only. Eye and hand protection mandatory.
Always wear appropriate PPE. Follow local safety regulations when using power tools or material-handling equipment.
