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4-1/2" Silicon Carbide Resin Fiber Disc – 25 Pack

SKU BM-RFD45S16_25
Original price $12.99 - Original price $12.99
Original price
$12.99 - $12.99
Current price $12.99

Product Specification


Benchmark Abrasives 4-1/2" Silicon Carbide Resin Fiber Discs are made by electrostatically depositing grains of Silicon Carbide grains on heavy-duty vulcanized fiber backing with heat-resistant phenolic resins. These discs are resistant to heat, glazing, and loading, and are excellent on ferrous and non-ferrous metals. We offer these sanding discs in a 4-1/2", 5" and 7" with a grit range from 16 grit to 120 grit. For use on all right-angle grinders.

These resin fiber discs are designed for the toughest applications and can be used on stone, concrete, glass deburring and some wood applications. The vulcanized fiber backing gives strong support for the grain & helps transfer the pressure to the workpiece for maximum stock removal.

Silicon Carbide (Sic) is the hardest commonly used abrasive grain.  The highly friable silicon carbide grains provide for fast cutting speed and uniform scratch patterns in sanding applications. 

Quantity: 25 Piece

Use in combination with our 4-1/2” x 5-8”-11 Rubber Backing Pads

**Pads sold separately**


  • Outer Diameter – 4-1/2” 
  • Inner Diameter – 7/8”
  • Grain – Aluminum oxide (A/O)
  • Available Grits – 16, 24, 36, 50, 60, 80, 120
  • Backing – Vulcanized Fiber from Germany
  • Max RPM – 13,300 

Machines Used On:

  • Right Angle Grinders
  • Use in combination with our 4-1/2” x 5/8”-11 Rubber Backing Pads – Backing pads are required for tool use.


  • Masonry -  Stone, Marble, Granite, and other man made stone materials 
  • Metals - Non-Ferrous Materials like Copper and some harder metals.  **DO NOT USE ON Steel or Stainless Steel**
  • Other Materials – Fiberglass, Plastic, Hard Rubber, Wood, Stone

Safety Tips & Techniques:

  • Always wear proper PPE to include (but not limited to) safety glasses, hearing protection, respirator, and hand protection.  Keep all guards in place on your machine.
  • We suggest staying away from Steel and stainless steel applications as the performance is very poor.



    You read that right, Free shipping on orders over $100 + Orders placed before 12 noon PST = SHIP SAME DAY! Orders placed after noon will ship the following day.

    Standard FREE shipping is UPS Ground or USPS priority depending on size and weight. Most customers receive their order within 3-5 days from date of purchase. Faster shipping options available for additional charge. Free shipping not available on international orders. Free shipping will only be available to orders being delivered within the lower 48 states.


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