In this video, Norton expert Paul Gray explains why cutting wheels of the same diameter can vary in thickness.

0:00 | Intro
0:16 | Why are there so many thicknesses of discs?
1:16 | When to use the ultra-thin cutting disc?
1:40 | Why is it better to use a 2.5 mm disc for a thick piece of stainless steel?
2:12 | Summary

For many years, 3 mm was the standard thickness of cut-off wheels. It was considered thick enough to meet safety requirements and withstand lateral loads while providing an efficient cut. However, thanks to current technology improvements, it is possible to reduce the thickness of the discs to even 1 mm.

Today, the Norton range of cutting discs for portable and fixed machines includes various thicknesses to suit any material and application, such as the ultra-thin 1 mm cutting disc, the 1.3 millimeter disc or the 2.5 mm wheels.

The thinner the disc, the faster and more precise it will be. However, ultra-thin discs do not last as long as thicker wheels. For cutting applications where we need to cut heavy pieces of steel, the thicker discs are better because of the cutting stability and longevity they provide.

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If you'd like to challenge our Norton expert, feel free to drop a question in the comments box below, and we'll get back to you with an answer.

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