Right Lines Universal Diamond Floor Grinding Discs – Hilti DG150 & Angle Grinder Compatible

Grind, level, and prep concrete floors with confidence using Right Lines Universal Diamond Floor Grinding Discs. Built for power and durability, these high-performance cup wheels are engineered for use with both Hilti DG150 floor grinders (19mm bore) and standard angle grinders (22.2mm bore) — giving you maximum versatility on-site.

Whether you're removing coatings, levelling concrete, or preparing stone surfaces, these discs deliver fast, smooth results with minimal loading. Featuring long “L”-shaped diamond segments and a generous 6mm segment depth, they provide efficient material removal and extended working life in demanding applications.

✅ Fits Hilti & Standard Angle Grinders

Compatible with a wide range of machines:

• 150mm (19mm bore) – Perfect fit for Hilti DG150

• 125mm (22.2mm bore) – Ideal for DG130 or angle grinders

• 180mm & 230mm (22.2mm bore) – For larger grinders and industrial prep tools

💎 Key Product Features

• Long “L” Segments: Delivers aggressive grinding action and smooth finish

• 6mm Diamond Depth: Ensures long tool life across concrete and stone surfaces

• Universal Bore Fitments: Choose between 19mm or 22.2mm to suit Hilti or standard grinders

• Open Segment Layout: Reduces clogging and overheating for consistent performance

• Wet or Dry Use: Adaptable for site or workshop environments

• High Removal Rate: Ideal for coatings, adhesives, paint, and thin-set removal

• Versatile Material Use: Works on concrete, screed, and soft to medium natural stone

🧱 Applications

These floor grinding discs are perfect for:

• Surface preparation before sealing or polishing

• Removing old epoxy, paint, glue, or thin-set

• Smoothing and levelling concrete or screed

• Grinding soft to medium-density stone surfaces

📐 Sizes & Specifications

• 125mm (22.2mm bore) – For smaller floor grinders and angle grinders

• 150mm (19mm bore) – Hilti DG150-compatible

• 180mm & 230mm (22.2mm bore) – For larger industrial floor prep grinders

• Segment Depth: 6mm

• Segment Style: Long “L” segments for aggressive performance

🔗 Also Available

The halo concrete polishing discs enable you to smooth and polish concrete with an angle grinder.

🛠️ Built for Professional Contractors

Whether you're grinding down concrete slabs, removing coatings, or prepping stone for overlays, Right Lines Diamond Floor Discs are your reliable go-to for speed, precision, and durability.

👉 Add to cart or request a quote today for faster, cleaner grinding results.