4" Diamond Grinding Cup for Porcelain & Granite
The DISTAR DGM-S 4" Diamond Grinding Cup is a professional edge grinding tool for porcelain tile and granite, designed for smooth, controlled material removal and precise finishing.
Built with a thin steel core and high-quality diamond segments, this angle grinder grinding cup delivers clean, chip-free results for both 90° edge shaping and 45° bevel grinding.
Key Features & Benefits
Designed for Both 90° and 45° Edge Grinding
- 90° edge grinding – straight edge refinement
- 45° bevel grinding – miter edge preparation
Tile & Stone Finishing Workflow
- Cut – use a diamond blade for the initial cut
- Grind – refine with the DGM-S 4" (90° or 45°)
- Polish – finish with a polishing pad for a mirror edge
Specifications
| Specification | Detail |
|---|---|
| Diameter | 4" (100 mm) |
| Thread | 5/8"-11 |
| Grit Options | 60/70 (coarse) |
| Max Speed | 11,000 RPM |
| Cooling | Dry use |
| Application | Porcelain gres, granite, stone |
| Build | Thin steel core design |
| Brand | DISTAR |
Applications & Compatibility
Choose the Right Grit for Your Application
- 60/70 grit (Coarse) – fast material removal and shaping
Top Related Products
- 4" CoolPAD Diamond Polishing Pad Steps 1-4
- Angle Grinder Dust Shroud for Edge Grinding & Polishing (4.5"–5")
- Diamond Hand Polishing Pads for Porcelain, Tile & Stone
Frequently Asked Questions
What materials can this grinding cup be used on?
Designed for porcelain tile, granite, and stone materials.
Can it be used for bevel grinding?
Yes, it supports both 45° bevel and 90° edge grinding.
Do I need water cooling?
No, designed for dry grinding applications.
What grit should I choose?
- 60/70 – shaping and removal
What grinder does it fit?
Fits most 5" angle grinders with a 5/8"-11 thread.
California residents: see Prop 65 Warning.