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The DEWALT DWA4221 oscillating carbide rasp removes grout and mortar under tile with aggressive carbide edging and universal fitment for all major multi-tool brands.
Categories : tools
SKU : WOR-TOO-758
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The DEWALT DWA4221 is a carbide-edged oscillating blade specifically designed for grout and mortar removal. It combines a rasp-style cutting face with the universal mounting system used by all major oscillating tool brands, so you can mount it without adapters and get to work. This is a go-to accessory for anyone retiling, repairing grout lines, or cleaning out old mortar down to the substrate.
Carbide edging is the key to fast material removal. The razor-sharp carbide texture bites into hardened grout and thinset, rather than skidding across it. The result is a cleaner cut and less physical effort on your part.
This blade fits DEWALT, Milwaukee, Makita, Bosch, Fein, Rockwell, and other oscillating tools that accept the universal accessory interface. No adapter means less fuss when you're switching between blades on the job.
When you need a blade that will hold up to abrasive masonry materials, the DEWALT DWA4221 is ready to grind through the tough stuff.
Carbide edge for aggressive grout and mortar removal
Universal fitment – no adapter required
Rasp design reaches under tile and into joints
Long life in abrasive masonry applications
Compatible with all major oscillating tool brands
Model: DWA4221
Application: Grout and mortar removal
Product Type: Oscillating Carbide Rasp
Compatibility: Universal – all major oscillating tools
Edge Material: Carbide
Adapter Required: No
Seller: Workbench World
MPN: DWA4221
DEWALT offers both carbide and diamond-grit blades for masonry work. The carbide rasp is a great all-around choice for removing old grout and mortar. It removes material quickly and provides good value for typical tile projects. If you're tackling large areas or extremely hard materials, the diamond-grit DWA4241 may last longer.
Oscillating tools are made for access, and this blade keeps that promise. Its rasp design fits into narrow grout lines and under the lip of tiles, so you can clean out even the most awkward joints. It also helps when you need to cut out old caulking or adhesive without gouging the surrounding surface.
Universal fitment means you don't need to track down a special adapter or a brand-specific version. If you already own an oscillating multi-tool, this blade will fit—one less thing to think about on the job.
Yes, it is designed for universal fitment on all major brands. No adapter is required.
Yes, the carbide rasp is ideal for removing grout and mortar underneath tile, including thinset.
The DWA4221 uses a carbide rasp edge for aggressive scraping and grinding. The DWA4241 uses synthetic diamond grit for longer life on extremely abrasive materials. Either can handle grout; choose based on how much work you have.
No, it mounts directly on all standard oscillating tool interfaces.
Life depends on the material and pressure you apply. Carbide edges generally last longer than HSS in masonry work, but will eventually wear down. Using light, steady pressure helps extend life.
Rips through grout.
Works well on my multi-tool. The carbide edges are aggressive.
I've tried other grout removal attachments, but this one is the best. The carbide edges eat through mortar quickly. It fits my oscillating tool perfectly. The teeth haven't worn down after several uses. It's well worth the money.
