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A worker grinding a steel part on a bench grinder with sparks flying off the wheel.

Grinding Wheel RPM Chart: Max Speed by Wheel Diameter and Type

cut-off wheelsWhitby Abrasives
Fabricator cutting stainless steel with a thin INOX-rated cut-off disc on an angle grinder

What "INOX" and Contaminant-Free Mean on Abrasives: The Fe+S+Cl Rule

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Angle grinder with a cut-off disc mounted, wheel guard covering the top half of the disc

Can You Run a 5" Disc on a 4-1/2" Grinder? Wheel Diameter, Guard & RPM Mismatch Rules

angle grinderWhitby Abrasives
Angle grinder with a thin cut-off wheel making a straight cut through steel bar, sparks trailing

Cut-Off Wheel Kickback & Pinching: Why Wheels Grab, Bind & Shatter, and How to Stop It

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Tradesperson changing a cut-off disc on an angle grinder in a metal fabrication shop

Stuck Grinder Disc or Seized Flange Nut: How to Remove It & Stop It Recurring

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Angle grinder making a straight 90-degree cut in steel with a thin cutting disc, sparks trailing off the edge of the wheel

Can You Grind With a Cutting Disc? The Side-Load Rule & What ANSI B7.1 Actually Allows

angle grinderWhitby Abrasives