Diamond Smoothing Discs for Stone & Concrete – 100mm Hook & Loop

Achieve smooth, professional finishes on granite, stone, and concrete with our 100mm diamond-coated smoothing discs. Designed for use on rotary tools, these discs are vacuum-brazed with industrial-grade diamond to deliver powerful cutting and grinding action on even the hardest materials.

Perfect for flooring contractors, stonemasons, and restoration professionals, these discs help eliminate lippage, cut marks, and edge imperfections quickly and effectively.

Save 10% when you buy a set of 3

🔷 Key Features:

• Industrial Diamond Coated

  • Delivers fast, effective smoothing on granite, concrete, natural stone, and engineered stone

  • Ideal for edge-breaking, surface prep, and removing grinder or saw marks

• Vacuum Brazed Bonding

  • Superior strength and durability

  • Diamond remains bonded under high heat and pressure for long disc life

• Grip-Backed (Hook & Loop)

  • Attaches securely to hook-and-loop backing pads

  • Easy disc changes for fast workflow

🛠️ Recommended Applications:

• Stone floor levelling – remove lippage between tiles

• Granite and stone edge finishing – break sharp edges safely

• Surface refinement – eliminate cut marks before final polishing

• Concrete grinding – Coarse grade 30 can expose aggregate before polishing

📏 Specifications:

• Disc Diameter: 100mm (4 inches)

• Backing Type: Hook & loop (Velcro-style)

• Diamond Bonding: Vacuum brazed for maximum strength

• Speed Range: Optimized for use at ~4,000 RPM

• Suitable Machines: Rotary polishers, variable-speed angle grinders (slow setting), rotary sanders

💧 Dry or Wet Use:

• Can be used dry for convenience

• Use wet to extend disc life and reduce dust

• Includes central water feed hole for use with wet polishers

⚙️ Available Grits:

• Grade 30 (Coarse) – Aggressive material removal, exposing concrete aggregate, levelling uneven stone

• Grade 50 (Medium) – General smoothing, scratch removal

• Grade 100 (Fine) – Pre-polish surface refinement and edge detailing

Note: Backing pads sold separately. Ensure compatibility with your machine’s speed settings and backing type.

✅ Why Choose Our Diamond Smoothing Discs?

• Premium diamond grain for excellent performance and long-lasting use

• Ideal for both residential and commercial stone flooring and surface prep

• Compatible with a wide range of rotary polishers and angle grinders

From granite countertops to stone floors and concrete slabs, these high-performance diamond smoothing discs give you the precision and finish you need—fast.