قرص صنفرة زركونيا خلفية لاصقة 18 إنش

My sander chewed through a heavy weld seam on some 1/4" steel without bogging down, and the adhesive backing held firm even when the disc got hot. The blue/green color makes it easy to spot which grit is on the tool. This is the first zirconia disc I've tried that actually feels worth the price.

I was skeptical about a

The zirconia grit on these holds up way longer than the aluminum oxide discs I used to buy, and the sticky backing actually stays put on my 18 inch grinder without lifting at the edges. Been through a few discs on a big metal project and they're still cutting fast.