Sigma Green


Product Description

Sigma Green Grinding Wheels are aggressive grinding wheels manufactured with a specialty grain and bond combination. Sigma Green is constructed with a layer of coarse grain and a second layer of finer grain, resulting in a better finish compared to standard “fast grinding” wheels.

The specialty bond also results in a better balanced, noticeably quieter, and much smoother running grinding wheel, with less chatter and less vibration.


  • Stainless steel
  • Mild steel
  • Hard face
  • Titanium
  • Alloys
  • Aluminum


  • High performance grain
  • Fast stock removal
  • Superior finish
  • Grinds smooth and quiet
  • Minimizes operator fatigue
  • Controled grinding
  • Cool cutting
  • Won’t discolor or warp stainless


  • Tank fabrication
  • Power plant maintenance and repair
  • Welding/metal fabrication
  • Shipbuilding
  • Refinery maintenance and repair


Grain Type

  • High performance Zirconium and Aluminum Oxide combination

Grain Sizes

  • 36
  • 46 (only avialable in 4-1/2")
  • 60 (only avialable in 4-1/2")


  • Follow Sigma Green or Sigma Green Max with Max Flex 54 grit to achieve a #4 finish
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