2” Diamond Grinding Cup (Replaces Grinder Nut) for Tile Edge Finishing | DISTAR DGM-S

2-in-1 Diamond Grinding Cup for Fast Tile Edge Finishing

The DISTAR DGM-S 2" Diamond Grinding Cup is a patented tile edge finishing tool that replaces your standard grinder nut—allowing you to grind and refine edges without switching tools.

Designed for ceramic tile, porcelain gres, and stoneware, this compact grinding solution transforms your angle grinder into a precision edge finishing system.

Grind Tile Edges Without Switching Tools

Traditional workflow requires:

• Cutting with a blade
• Stopping work
• Changing to a grinding tool
• Re-adjusting setup

This diamond grinding cup nut eliminates that process.

👉 Grind edges immediately after cutting
👉 Save time on every tile
👉 Improve workflow efficiency

Replace Your Grinder Nut with a Functional Tool

This grinder nut grinding cup:

• Replaces the standard fastening nut
• Adds a diamond-coated grinding surface
• Stays mounted during cutting and finishing

👉 A true 2-in-1 cutting + finishing solution

Achieve Smooth, Chip-Free Tile Edges

The diamond-coated surface delivers:

• Clean edge finishing
• Reduced chipping
• Smooth surface refinement
• Professional-quality results

👉 Ideal for visible edges and high-end installs

Lead-In Chamfer for Controlled Grinding

The chamfered entry design:

• Guides the tool into the material
• Prevents aggressive contact
• Improves control
• Enhances precision

👉 Helps maintain consistent edge quality

Choose the Right Grit for Your Application

Available in two grit options:

• 70/80 grit (Coarse) → Fast material removal, shaping
• 100/120 grit (Fine) → Edge smoothing and finishing

👉 Covers both rough work and final refinement

Dry Operation for Jobsite Convenience

This tile grinding cup:

• Requires no water cooling
• Works cleanly in dry conditions
• Ideal for indoor and on-site work

👉 Designed for real jobsite efficiency

High-Speed Performance

Compatible with speeds up to 11,000 RPM, this diamond grinding tool delivers:

• Fast edge refinement
• Consistent performance
• Reliable durability

Tile Edge Finishing Workflow

The DGM-S fits naturally into a 3-step edge finishing process:

1. Cut — use a diamond blade for the initial cut
2. Grind — refine with the DGM-S (no tool change needed)
3. Polish — finish with a polishing pad for a mirror edge

Common Applications

This tile edge grinding tool is ideal for:

• Smoothing tile edges after cutting
• Refining porcelain bevel cuts
• Removing chips and imperfections
• Finishing ceramic tile edges
• On-site edge adjustments

Designed for Professional Tile Work

Perfect for:

• Tile installers
• Stone fabricators
• Remodeling contractors
• Flooring specialists
• Precision finish work

Product Specifications

Specification	Detail
Diameter	2" (49 mm)
Thread	5/8"-11 (M14 compatible)
Grit Options	70/80 (coarse), 100/120 (fine)
Max Speed	11,000 RPM
Cooling	Dry use
Application	Ceramic, porcelain, stoneware
Special Feature	Replaces grinder nut
Brand	DISTAR

When Should You Use a Grinding Cup Nut?

Use this tile grinding nut tool when:

• Refining tile edges after cutting
• Avoiding tool changes
• Improving workflow speed
• Fixing minor edge imperfections
• Working on detailed finishing tasks

Grinding Cup Nut vs Standard Workflow

Method	Result
Standard workflow	Stop, switch tools, lose time
DGM-S system	Cut + grind instantly

👉 This tool improves both speed and efficiency

Frequently Asked Questions

What makes this different from a regular grinder nut?

It replaces the nut and adds a diamond grinding surface for edge finishing.

Can I use it for porcelain tile?

Yes, it is optimized for porcelain, ceramic, and stoneware.

Do I need water?

No, it is designed for dry grinding.

What grit should I choose?

• 70/80 → shaping and material removal
• 100/120 → smoothing and finishing

Will it slow down my cutting?

No, it improves workflow by eliminating tool changes.

Works Well With

• Soft Edge DGM-S Grinding Cup — coarser edge prep version for heavier material removal
• Nectar 2" Grinding Cup — fine grinding step before polishing
• CoolPAD 2 Polishing Pad — final polish after DGM-S grinding for a mirror edge
• Gres Master Diamond Blade — the cutting step before edge grinding with DGM-S
• LINER Cutting Guard — guided edge finishing system to use alongside DGM-S
• Centrum PRO 2.0 Pad Holder — for mounting polishing pads in the same workflow

Further Reading

• Cutting, grinding, and polishing porcelain tile for seamless 45° corners
• What is the best way to cut porcelain tile?
• Finishing cuts in porcelain tile without a tile saw
• Chip-free tile cutting tips for professionals

California residents: see Prop 65 Warning.

Professional tile contractors: contact us for volume pricing.