2021119 · The smaller the grit number the bigger its size so, a 30 grit pad will have bigger diamond particles than a 100 grit pad. In a lot of concrete grinding jobs such as floor grinding, 30 to 40 grit pads work well to start. You can then move up to finer grit sizes. If you’re working on a polishing job, use 60 to 80 grit next and continue ...
view more2023726 · 2. Check Your Progress (Below) Start grinding the concrete on the crown of the high spot and work your way toward your marks. When you feel you’ve made progress, use the straightedge again to check for flatness. Retrace the high spots and grind them down. Repeat this grind-and-check process until the high spot is gone.
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view more1 · Buy Grit 30 Medium Bond Trapezoid Diamond Concrete Grinding Pad Grinding Disc for Floor Grinder at Walmart.com
view more1 · Grinder Grit 30/40 Concrete Grinder Diamond Grinding Wheel Disc. Good Performance: This product that has a strong grinding force and is not easy to crack edges can grind uneven ground, level concrete, remove thinner …
view more202363 · The first pass in the concrete grinder can remove as much as a 1/8th of an inch at that time. A pass with very hard grit sandpaper will remove less than 1/16th of an inch of concrete. The sandpaper is meant to smooth the surface and not grind down large areas of the concrete. ... (30- to 60-grit) pad.
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