Best 2" (45mm) Diamond Grinding Cup for Porcelain Tile Edge Finishing

The DISTAR Soft Edge DGM-S 2" (45mm) diamond grinding cup is designed for smooth, controlled edge finishing on porcelain tile, ceramic tile, and natural stone using a standard angle grinder.

Unlike aggressive grinding wheels, this diamond grinding cup for tile features a soft bond that allows for precise material removal with minimal chipping, making it ideal for delicate edge work and finishing applications.

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Designed for Smooth Edge Grinding on Porcelain & Ceramic Tile

This 2" (45mm) diamond grinding cup is engineered specifically for:

• Porcelain tile edge finishing
• Ceramic tile smoothing
• Refining cuts after using a diamond blade
• Preparing edges for polishing

👉 Perfect for achieving a clean, professional edge finish without damaging the tile

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What Materials Can This Grinding Cup Be Used On?

This diamond grinding cup for angle grinders the Proxxon LWB/A

• Ceramic tile
• Porcelain gres
• Granite
• Natural stone

👉 Ideal for both tile installers and stone fabrication work

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Soft Bond Design for Minimal Chipping

The Soft Edge DGM-S uses a specialized soft diamond bond that provides:

• Smooth grinding performance
• Reduced risk of chipping porcelain tile
• Better control near delicate or glazed surfaces
• Consistent edge refinement

👉 This makes it one of the best grinding cups for porcelain tile finishing. Browse all diamond grinding cups.

Built for Proxxon LWB/A Tool (2" (45mm))

This diamond grinding cup wheel is designed for use with standard angle grinders:

• Compatible with  
• Optimized for handheld grinding applications
• Ideal for job site use

Dry Grinding Performance for Jobsite Efficiency

This tile grinding cup is designed for dry use, making it convenient for:

• On-site tile work
• Quick edge corrections
• Finishing without water setup

👉 No water required — faster workflow on the job

Why Choose a Soft Edge Grinding Cup?

Standard grinding cups can be too aggressive and cause:

• Edge chipping
• Rough finishes
• Loss of control

The Soft Edge diamond grinding cup is designed to:

• Deliver controlled grinding
• Protect delicate materials
• Improve finish quality
• Reduce vibration for better handling

Common Applications

This diamond grinding cup for tile and stone is ideal for:

• Edge finishing on porcelain tile
• Smoothing ceramic tile edges
• Refining cuts after blade use
• Preparing surfaces for polishing
• Detail grinding near glazed surfaces

Designed for Professionals & Precision Work

Perfect for:

• Professional tile installers
• Stone fabricators
• Countertop installers
• Remodeling contractors
• Advanced DIY users

Product Specifications

• Brand: DISTAR
• Diameter: 2" (45mm)
• Thread: 5/8"-11
• Grit: Medium / Fine (Soft Edge)
• Cooling: Dry grinding
• Application: Porcelain tile, ceramic tile, stone
• Type: Diamond grinding cup

When Should You Use a Diamond Grinding Cup?

Use this the Proxxon LWB/A when:

• Finishing edges after cutting porcelain tile
• Smoothing rough or chipped edges
• Preparing tile for polishing
• Working near delicate glazed surfaces
• You need controlled, precision grinding

Grinding Cup vs Diamond Blade – What’s the Difference?

• Diamond blade → Used for cutting tile
• Grinding cup → Used for smoothing and finishing edges

👉 This grinding cup is the perfect next step after cutting

Frequently Asked Questions

What is a diamond grinding cup used for?

It is used for grinding, smoothing, and finishing edges on tile and stone surfaces.

Is this good for porcelain tile?

Yes, it is specifically designed for porcelain tile edge finishing with minimal chipping.

Can I use this on an angle grinder?

No, it is made for Proxxon LWB/A

Does it require water?

No, this grinding cup is designed for dry grinding applications.

Will it damage tile edges?

No, the soft bond design helps reduce chipping and improve edge quality.