✨ Right Lines Halo Concrete Polishing Discs – For Grinding, Smoothing & Finishing

Right Lines Halo concrete polishing discs offer a cost-effective, professional-grade solution for grinding, smoothing, and polishing concrete floors and stone surfaces. Available in grits ranging from 30 to 400, these versatile discs are compatible with angle grinders and floor polishing machines via standard M14 threads, with no backing pad required.

Ideal for light to medium surface refinement, Halo discs are perfect for renovating concrete slabs, removing bumps, preparing for coatings, or achieving a dull polished finish—without the high cost of full diamond grinding systems.

✅ Key Features:

• Affordable concrete polishing for floors, paving, and stone

• Multiple grit options from coarse to fine (30 to 400)

• Compatible with angle grinders and polishers (M14 thread)

• No backing pad needed – directly mounted

• Suitable for dry or wet use (wet use extends disc life)

• Effective on concrete, terrazzo, stone, and paving slabs

🧱 Applications:

• Surface bump removal on concrete with grits 30 or 50

• Surface improvement & smoothing with grits 100, 120, or 220

• Dull polishing finish with grit 400

• Ideal for preparing concrete floors for:

  • Sealants

  • Paint coatings

  • Further polishing with diamond systems

• Can also be used on stone countertops, paving slabs, and steps

📐 Specifications:

• Grit Options:

  • 30 (Very Coarse)

  • 50 (Coarse)

  • 100 (Medium-Coarse)

  • 120 (Medium)

  • 220 (Fine)

  • 400 (Very Fine / Dull Shine Finish)

• Disc Sizes:

  • 115mm – fits 115mm and 125mm angle grinders

  • 175mm – fits 180mm and 230mm grinders

• Mounting:

  • Standard M14 thread – direct fit to grinder spindle

  • No backing pad required

• Construction: Resin-bonded abrasive, factory-mounted on backing

• Usage: Wet or dry, although wet use is recommended for extended tool life and reduced dust

🛒 Bundle Option:

• 5-Grade Set Available (Discounted):

  • Includes 30, 50, 120, 220, and 400 grit discs

  • Ideal for full surface prep through to polishing

🛠️ Tool Compatibility:

• Use with single-speed or variable-speed angle grinders

• Lower speeds are preferred for polishing and fine surface finishing

• Compatible with most standard M14 grinders in workshop or on-site use

💡 Usage Tips:

• Start with coarse grit (30 or 50) for removing imperfections

• Work progressively up to 400 grit for a polished matte finish

• After 400 grit, surfaces can be further polished using diamond systems if a higher gloss is required

• Always wear appropriate PPE, especially when dry grinding concrete

Refinish concrete floors, smooth stone surfaces, and prep slabs for sealing with Right Lines Halo Discs—your affordable alternative to diamond polishing.