Hey pookie...er, POOKIE:
How much danger of warpage, compared to a regular flat sanding disc? Glad to know they're at Home Depot. Thanks for sharing.
Regards,
Shea
Best advise for using any sort of grinding impliment on sheet metal :
KEEP IT MOVING!!! Do Not stay in one place creating heat! Heat caused by moving the grinder too slow over sheetmetal combined with pressure will warp panels.
Using this as mantra- these wheels work GREAT.[P
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