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 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.





















