Floor Sanding Discs Velcro Zirconia – 178mm
Zirconia Velcro Sanding Discs 178mm are heavy-duty professional abrasives designed for high-efficiency wood floor sanding. Built with premium zirconia alumina grain and a strong polyester backing, these discs deliver aggressive cutting power, long life and consistent performance across a wide range of wood types. The Velcro (hook & loop) system ensures quick disc changes and secure attachment during sanding, making them ideal for both coarse and intermediate sanding stages.
Key Features
- Durable zirconia alumina abrasive grain for excellent cutting efficiency
- Strong polyester backing – tear-resistant and long-lasting
- Velcro (Grip) attachment for quick and easy changes
- Uniform sanding pattern and reduced clogging
- Ideal for aggressive stock removal and levelling
- Suitable for both softwood and hardwood flooring
Recommended Uses
- Professional wood floor sanding and renovation
- Perfect for parquet, engineered and solid hardwood floors
- Compatible with 178 mm edge sanders and rotary sanding machines
Available Grits
- 24, 36, 40, 60, 80, 100, 120
Technical Data
| Brand | Starcke |
| Product | Zirconia Floor Sanding Discs |
| Diameter | 178 mm |
| Grit range | 24–120 |
| Abrasive type | Zirconia alumina |
| Backing | Polyester (Grip/Velcro) |
| Structure | Open coat, anti-clogging |
| Pieces per unit | 25 |
| Use | Professional floor sanding and finishing |
| Compatibility | All standard 178 mm edge and rotary sanders |
| SKU | UFSSTARCKEZIRCONIA178 |
FAQs
What’s the main advantage of zirconia discs?
Zirconia abrasives cut faster, stay sharp longer and resist heat build-up, making them perfect for demanding floor sanding jobs.
Are they compatible with all 178 mm edge sanders?
Yes – they fit all standard Velcro (hook & loop) edge sanding machines.
Which grit should I use for first sanding?
Start with grit 36 or 40 for heavy stock removal, then progress to finer grits for a smooth surface.
Do they clog easily?
No – the open coat structure and anti-static design reduce clogging even on resinous wood species.





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