4” Diamond Grinding Cup for Porcelain & Granite (Angle Grinder) | DISTAR DGM-S

Professional 4” Diamond Grinding Cup for Tile & Stone

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.

Achieve Smooth, Chip-Free Edges on Porcelain & Granite

Grinding dense materials like porcelain and granite can cause:

• Edge chipping
• Uneven finishes
• Excessive material removal
• Poor control

This diamond grinding cup for tile and stone helps:

• Maintain smooth edge quality
• Reduce chipping
• Improve control during grinding
• Deliver consistent results

👉 Ideal for professional finishing work

Designed for Both 90° and 45° Edge Grinding

This tile and stone grinding cup supports:

• 90° edge grinding → straight edge refinement
• 45° bevel grinding → miter edge preparation

👉 Perfect for modern tile installations and stone fabrication

Thin Steel Core for Controlled Grinding Performance

The thin steel core design provides:

• Softer, more controlled grinding
• Improved stability
• Better surface finish
• Reduced vibration

👉 Enhances both precision and finish quality

Choose the Right Grit for Your Application

Available in two grit options:

• 60/70 grit (Coarse) → Fast material removal and shaping
• 100/120 grit (Fine) → Smooth edge finishing

👉 Covers both aggressive grinding and final refinement

Dry Grinding for Jobsite Efficiency

This diamond grinding cup is optimized for:

• Dry operation
• No water required
• Cleaner, more convenient use

👉 Ideal for on-site and indoor work

High-Speed Performance for Efficient Grinding

Compatible with speeds up to 11,000 RPM, this angle grinder grinding cup delivers:

• Fast material removal
• Consistent performance
• Reliable durability

Universal Fit for Angle Grinders

This 4” grinding cup features a 5/8”-11 thread, making it compatible with:

• 5” angle grinders
• Most major grinder brands

👉 Easy installation and reliable performance

Tile & Stone Finishing Workflow

• Step 1: Cut (diamond blade)
• Step 2: Grind (DGM-S grinding cup)
• Step 3: Polish (diamond pads)

Common Applications

This diamond grinding cup for porcelain and granite is ideal for:

• Edge finishing porcelain tile
• Granite edge refinement
• 45° bevel grinding
• 90° edge shaping
• Surface preparation before polishing

Designed for Professionals

Perfect for:

• Tile installers
• Stone fabricators
• Granite countertop specialists
• Remodeling contractors
• Flooring professionals

Product Specifications

• Diameter: 4”
• Thread: 5/8”-11
• Grit Options: 60/70 (coarse), 100/120 (fine)
• Max Speed: 11,000 RPM
• Cooling: Dry use
• Application: Porcelain gres, granite
• Build: Thin steel core design
• Brand: DISTAR

When Should You Use a 4” Diamond Grinding Cup?

Use this tile and stone grinding tool when:

• Refining tile edges after cutting
• Preparing bevel edges
• Smoothing granite edges
• Removing small imperfections
• Preparing surfaces for polishing

Grinding Cup vs Standard Grinding Wheels

• Standard wheels → Rough finish, less control
• Diamond grinding cup → Smooth, precise, durable

👉 This tool delivers professional-grade results

Frequently Asked Questions

What materials can this grinding cup be used on?

It is 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, it is designed for dry grinding applications.

What grit should I choose?

• 60/70 → shaping and removal
• 100/120 → finishing

What grinder does it fit?

It fits most 5” angle grinders with a 5/8”-11 thread.