---
title: "SIGMA Z: 2 Minute Carbon Steel Test"
description: Sigma Z is designed for heavy stock removal on carbon steel, stainless steel, and alloys. Sigma Z outperforms most ceramic and engineered grain t27 wheels.
---

[Rex-Cut Abrasives Blog ](https://www.rexcut.com/blog)

# [SIGMA Z: 2 Minute Carbon Steel Test](https://www.rexcut.com/blog/sigma-z-2-min-test)

 Written by [Kate Reilly](https://www.rexcut.com/blog/author/kate-reilly) | Mar 25, 2021 1:34:38 PM

 

[Sigma Z](https://www.rexcut.com/product/sigma-z), Rex-Cut's new fast grinding wheel, is now available and we want to show you how well it works. Tim Borges ran a 4-1/2 Sigma Z wheel on carbon steel for 2 minutes. The results are impressive.

 

 

**Sigma Z Grinding Wheels are Available in:**

| **Size** | **Spec** | **Part Number** |
| --- | --- | --- |
| 4-1/2" x 1/4" x 7/8" | 24 | 730030 |
| 4-1/2" x 1/4" x 5/8-11 | 24 | 730040 |
| 5" x 1/4" x 7/8" | 24 | 730031 |
| 5" x 1/4" x 5/8-11 | 24 | 730041 |
| 6" x 1/4" x 7/8" | 24 | 730032 |
| 6" x 1/4" x 5/8-11 | 24 | 730042 |
| 7" x 1/4" x 7/8" | 24 | 730033 |
| 7" x 1/4" x 5/8-11 | 24 | 730043 |

 The new Sigma Z wheel boasts the highest metal removal rate out of the Sigma wheels. It also features cool grinding, extended wheel life, and a chatter free operation. [Stats and test results of Sigma Z](https://www.rexcut.com/blog/sigma-z-excels-in-stainless-fabrication) are available. This high-performance Type 27 grinding wheel also excels on stainless steel, mild steel, galvanized, and more.

“Sigma Z is the hard working and reliable wheel you’d expect from the Sigma Line. Grain and bond advancements allow this wheel to knock down welds in record time” states Bob Costa, Rex-Cut Abrasive President.

[Find a distributor close to you](https://www.rexcut.com/distributor-locator) and add Sigma Z to your abrasive cabinet today. 

[View full post](https://www.rexcut.com/blog/sigma-z-2-min-test)

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