2" Diamond Grinding Cup (45mm, 100 Grit) for Porcelain Tile & Stone | DISTAR Nectar

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

The DISTAR Nectar 2" (45mm) diamond grinding cup (100 grit) is designed for fine edge finishing and surface refinement on porcelain tile, ceramic tile, and natural stone.

Built with a soft-bond diamond layer, this fine grit grinding cup delivers smooth, controlled grinding with minimal chipping, making it ideal for precision finishing work where surface quality matters.

Precision Grinding for Porcelain Tile & Delicate Materials

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

• Fine edge finishing on porcelain tile
• Smoothing ceramic tile edges
• Refining cuts after diamond blade use
• Preparing surfaces for polishing

What Materials Can This Grinding Cup Be Used On?

• Porcelain tile & porcelain gres
• Ceramic tile
• Granite
• Natural stone

100 Grit — The Right Stage for Fine Finishing

The 100 grit configuration sits between coarse material removal and final polishing. Use it for:

• Fine grinding and smoothing after coarse work
• Surface refinement before polishing pads
• Preparing edges for a mirror finish
• Final finishing on visible tile edges

Soft Bond Design for Minimal Chipping

The Nectar grinding cup features a specialized soft diamond bond that provides:

• Controlled material removal
• Reduced chipping on porcelain tile
• Smooth edge finishing
• Consistent performance across materials

Compact 2" Size for Precision Work

The 45mm (2") size allows for greater control during detailed work, access to tight spaces and edges, and improved precision compared to larger cups — ideal for the Proxxon LHW/A and LWB/A and similar long-neck rotary tools.

Dry Grinding for Fast Jobsite Use

Designed for dry grinding applications — no water required. Perfect for job site finishing, quick edge corrections, and efficient workflow.

Grinding Cup vs Polishing Pad — What’s the Difference?

• Grinding cup (100 grit) — smoothing and preparing edges
• Polishing pad — final polishing and shine

This grinding cup is the perfect step before polishing.

Product Specifications

Common Applications

• Edge finishing on porcelain tile
• Smoothing ceramic tile edges
• Preparing surfaces for polishing
• Refining cuts after blade work
• Light shaping and surface correction

Ideal For

• Professional tile installers
• Stone fabricators
• Countertop specialists
• Remodeling contractors
• Precision-focused DIY users

Frequently Asked Questions

What is a 100 grit diamond grinding cup used for?

It is used for fine grinding, smoothing edges, and preparing surfaces for polishing on tile and stone.

Is this suitable for porcelain tile?

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

Can I use this without water?

Yes, this grinding cup is optimized for dry grinding applications.

Why use a 2" grinding cup instead of a larger one?

The smaller size allows for greater precision and control, especially for detailed edge work with the Proxxon LHW/A and LWB/A.

Will this damage tile edges?

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

Works Well With

• Proxxon LHW/A Cordless Long Neck Angle Grinder — cordless long-neck angle grinder; purpose-built 45mm format for precision edge work
• Proxxon LWB/A Cordless Long Neck Rotary Tool — versatile rotary tool; also compatible with this 45mm grinding cup
• Soft Edge DGM-S 2" Grinding Cup — use before the Nectar for a two-stage coarse-to-fine grinding progression
• Mastercut 2" Diamond Blade — cut with the blade, then finish with this cup in one workflow
• Distar Butterfly 45mm Diamond Blade — precision cutting blade; follow with this cup for refined edges
• Distar CoolPAD 2 Polishing Pad — power polishing pad for the final step after this grinding cup
• Distar Hand Pad 2 Series — hand polishing pads for final edge refinement after grinding
• Distar Polishing Support Adapter — reduces bearing strain during extended grinding sessions

Further Reading

• Cutting, Grinding, and Polishing Porcelain Tile for Seamless 45° Corners
• How to Polish Porcelain Tile Edges with the Proxxon WP/A + Distar CoolPAD
• Finishing Cuts in Porcelain Tile Without a Tile Saw
• Dry Drilling Construction Materials: Q&A for Contractors

Returns can only be accepted for unused product in its original packaging. A copy of the original packing slip or invoice is required. Please see our return and refund policy here.

WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.