How-To Guides

Double row, turbo, or PCD? Each grinding cup wheel design has a different job — from fast concrete leveling to fine pre-coating grinds to stripping epoxy and glue. This guide tells you which one to put on your grinder.

Not every diamond cup wheel that works on concrete survives granite. Learn why hard stone needs a softer bond, which segment style fits which job, and the selection mistakes that glaze wheels and waste money.

7/8" arbor, 1" arbor, 5/8"-11 thread - what do they mean and which one does your machine need? A quick guide to diamond blade mounting sizes, reducer bushings, and threaded hubs.

A diamond blade that smokes and skates instead of cutting usually isn't worn out - it's glazed. Here's the 2-minute dressing trick that restores it, and how to keep it from glazing again.