OverviewSigma Z is Rex-Cut's most aggressive grinding wheel, engineered for rapid stock removal on cast iron, stainless steel, carbon steel, titanium, nickel alloys, hard-face materials, and superalloys. Precision-balanced for noticeably smoother and quieter grinding, Sigma Z helps operators remove material quickly while maintaining control and reducing fatigue.
Key Benefits
• Extremely fast and aggressive stock removal
• Precision-balanced for smooth, chatter-free grinding
• Long wheel life with high productivity
• Cool grinding action on stainless steel and alloys
• Reduces operator fatigue during prolonged grinding
Material & Performance
Manufactured with premium abrasive grain, Sigma Z combines aggressive grinding performance with exceptional operator control. Its precision-balanced construction minimizes vibration and chatter while delivering cool grinding action, consistent performance, and long life in demanding applications. Sigma Z will not discolor or warp stainless steel surfaces during grinding.
Applications
• Heavy weld removal
• Tank fabrication
• Welding and metal fabrication
• Petrochemical refinery and power plant maintenance
• Shipbuilding and foundry work
• Beveling for weld preparation
• Grinding slag from castings
• Removing mill scale from steel
• Grinding hard-face materials and wear surfaces
Results
• Increase grinding productivity
• Remove material faster with less effort
• Reduce operator fatigue
• Maintain consistent grinding performance throughout wheel life
Grain Type
Grain Size
Tips
| SIZE | SPEC | PART NUMBER | MAX RPM |
|---|---|---|---|
| 5 x 1/4 x 5/8-11 | 24 | 730041 | 12,200 |
| 6 x 1/4 x 7/8 | 24 | 730032 | 10,100 |
| 7 x 1/4 x 7/8 | 24 | 730033 | 8,500 |
| 7 x 1/4 x 5/8-11 | 24 | 730043 | 8,500 |
| 4-1/2 x 1/4 x 7/8 | 24 | 730030 | 13,300 |
| 4-1/2 x 1/4 x 5/8-11 | 24 | 730040 | 13,300 |
| 5 x 1/4 x 7/8 | 24 | 730031 | 12,200 |
| 6 x 1/4 x 5/8-11 | 24 | 730042 | 10,100 |
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Fall River, MA 02720
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