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Sigma Z

Part Number: 730030
: 24

Sigma Z removes an average of 24.06 grams of 304 Stainless Steel weld per minute, up to 15% more than other leading wheels. This new wheel is also precision-balanced for a noticeably smooth and quiet operation, providing exceptional metal removal rate along with chatter-free grinding.
  • High performance premium grain
  • Extremely fast and aggressive stock removal
  • Grinds smooth and quiet, minimal chatter
  • Long life with high productivity
  • Minimizes operator fatigue


  • Carbon Steel
  • Stainless Steel
  • Galvanized Steel
  • Hard Face
  • Titanium
  • Nickel Alloys
  • Super Alloys
Grit Type
  • Zirconium
  • Cool grinding
  • Won’t discolor or warp stainless
  • Tank fabrication
  • Petrochemical refineries & power plant maintenance
  • Shipbuilding
  • Foundries
  • Rapid stock removal on heavy weldments
  • Grinding hard-face on coal crushers, heavy equipment
  • Welding/metal fabrication