Welders and metalworkers, these Mercer Industries fiber discs are seriously aggressive and perfect for heavy material removal jobs! The 16 grit is super coarse - we're talking serious grinding power that eats through metal, weld beads, and tough surfaces like nobody's business. The resin-on-resin bond means these discs hold up under pressure without shedding abrasive material everywhere. The 4-1/2 inch size with 7/8 inch center hole fits most standard angle grinders, and the heavy-duty vulcanized fiber backing provides the stiffness needed for aggressive grinding without flexing too much. What's impressive is how long these last - even when you're putting serious pressure on them, they don't wear down nearly as fast as cheaper discs. Perfect for stripping paint, removing rust, grinding down welds, deburring edges, or any job where you need to remove a lot of material quickly. The 25-pack is great value - you'll always have replacements on hand when you're in the middle of a big project. Mercer has been in the abrasives business since 1968, so you know you're getting quality that professionals rely on. Whether you're working in automotive repair, fabrication, construction, or serious DIY projects, these discs deliver the performance and durability that make tough jobs manageable. Just remember to wear proper safety gear because 16 grit is no joke - this is serious industrial-grade abrasive that gets the job done fast. If you need to remove material quickly without constantly changing discs, this 25-pack is totally worth having in your workshop!
Free 30-day returns 
Free 30-day returns
