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Cratex Large Wheels

Silicon Carbide Grinding Wheel has found wide application for many grinding, deburring, smoothing and polishing operations like:

  • Removing rust, heat marks, tarnish, excess solder, scratches, corrosion, removing burrs and breaking edges
  • Polishing welded seams after rough grinding, polishing bearing surfaces and raceways
  • Smoothing and sanding: castings and punched or sheared pieces, smoothing glass edges, wet sanding of gemstones, trimming plastic articles
  • Cleaning before welding or soldering. Fast way to clean all unwanted surface deposits. 

Product details:

Offered in 4 grit textures all color coded: C – Coarse (green), M – medium (dark brown), F – Fine (reddish brown), XF – Extra fine (grey green).
Material: Premium Silicon Carbide
Bond: Premium grade oil resistant chemical rubber (rubberized)
Used by professional jewelers, gunsmiths, dental technician, Knifemakers, lapidaries, bladesmiths, silversmiths etc. 

Max Safe Speed

Speeds are based on 5,000 Surface Feet Per minute. Best results are usually obtained at 30% to 80% of Maximum Safe Speed. Use light work pressure

  • 1-12’ Diameter-15,000 RPM
  • 2”- 10,000 RPM
  • 3” – 7,000 RPM
  • 4”- 5,250 RPM
  • 5” – 4,200 RPM
  • 6”- 3,600 RPM
  • 7”- 3,000 RPM
  • 8’- 2,600 RPM
  • 10”- 2,100 RPM


If any Cratex item does not perform as promised it is returnable for a full credit or exchange.

  1. E-mail: for return authorization number. RA number must be on the shipping label.
  2. All returns must be in resalable condition. Returns to include copy of original packing slip or invoice.
  3. Product returned after 30 days from shipment date will not be accepted.
  4. Cratex will offer returns for replacement product only. No cash refunds.
  5. Replacement value must equal to original order amount. No credit will be issued for a lesser amount.
  6. Customer is responsible for return freight charges.
  7. Replacement orders must be placed within 30 days of return or credit will be void.

Most orders are shipped in 2 business days. If we do not have the item in stock, then it is back ordered and it will take 5 weeks. You will be notified via email about your order confirmation delivery date.

In case there are any issues with your order, you will be contacted by the Cratex Customer Service Department.