SCOTTCHEN Diamond Flat Lap Wheel 6" x 1/2" Arbor Grinding Sanding Disc Lapping Polishing Disc-80 Grit

Funciona muy bien

I wish it to be thicker and sturdy.

Got 2 of these to use back to back on my 6in grinder. One for steel other for aluminum.

I bought three of these (120, 300, 600). They came nicely packaged but I was concerned about them getting dinged on the edge of bent because they used a plastic envelope instead of a box that could protect them in shipping. Of the three, only the 600 was without major flaws. It appears they use their worst blanks on larger grit sizes and flatter disks on smaller grits (600). The 600 was fairly flat, the 300 was pretty good, but the 120 is a potato chip wavy. The OD is a reasonable approximation of 6" but you can't get a true measurement because the outer edge is also electroplated with diamond. Unfortunately so is the inner hole which is a bit oversized so even with the diamond coating it fits over your spindle but will likely damage it. I don't expect them to run true.All of them have contamination on the back but most of it should wash off, except for the 120. The 120 had a coating on the back that is mostly peeled off, you can see the back of the 120 in the first picture. Even if the disk was flat then the partial coating would prevent it from laying flat on the master lap. They all had a raised burr on the back outer edge and the inner hole and there was diamond coating on the outside edge as well. On the outer edge of the 120 and 300, there's delamination of the diamond and electroplating that can be seen in all of the pictures as shiny areas.I guess now I'll find out of they read their review and find out how good their customer service actually is.

This is very aggressive but I’ve spent money hours using it and it’s barely beginning to show loss of function