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The VALUE COLLECTION PLMSC11621 is a Type 27 coated flap disc designed for aggressive material removal on metal surfaces. Built with zirconia alumina abrasive, it delivers a very coarse 36-grit cut that handles heavy grinding, weld blending, and surface prep efficiently. The disc measures 3 inches in diameter and mounts via a Quick-Change Type R attachment, making tool-free swaps fast in production or field settings. Licensed tradespeople and fabricators use this disc for tasks where a flat grinding profile is needed without gouging the workpiece surface.
This flap disc is suited for metalworking applications including structural steel fabrication, weld seam removal, and surface conditioning on ferrous and non-ferrous stock. The Type 27 flat profile keeps the disc flush against the workpiece, making it effective for work on flat stock and inside corners. The Quick-Change Type R hub eliminates the need for wrenches during disc changes, which shortens turnaround time when cycling through abrasive grades on a single project.
Designed for use with right-angle grinders and die grinders equipped with a Quick-Change Type R mandrel or backer pad accepting a 3-inch flap disc.
Installation is performed by qualified metalworkers or abrasive tool operators. Confirm the grinder RPM rating meets or exceeds the disc maximum RPM before mounting. Inspect the disc for damage before each use and discard any disc that shows cracking, delamination, or hub damage. Always wear appropriate PPE including face shield, gloves, and hearing protection when operating angle grinders or die grinders.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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