Merit Abrasives 08834180291 Cartridge Roll 120 Grit 1/2 in

Product Description

The MERIT ABRASIVES 08834180291 is a straight cartridge roll designed for precision deburring, blending, and surface finishing in tight bores, slots, and contoured workpieces. It uses aluminum oxide abrasive at a fine 120 grit rating, making it well suited for finishing passes where controlled material removal and a consistent surface profile are required. The roll measures 0.5 inches in diameter. Machinists, tool-and-die workers, and metal fabricators reach for this style of roll when a standard flap wheel or drum sander cannot reach the workpiece geometry.

Straight cartridge rolls like this one are standard consumables in metalworking shops handling stainless steel, carbon steel, aluminum, and cast iron. They fit mandrel-driven spindle tools, die grinders, and bench-mounted finishing machines. Common applications include port work, weld bead blending inside tubing, and finish work on internal radii. The fine grit is particularly useful in the final stages of surface prep before inspection or coating.

Key Features

• Aluminum oxide abrasive provides consistent cut rate and long service life on ferrous and non-ferrous metals
• 120 grit fine grade delivers smooth surface finish while still removing light burrs and tooling marks
• 0.5 inch diameter fits standard small-bore mandrels used in die grinders and finishing machines
• Straight cartridge roll geometry reaches tight internal features that flat or drum abrasives cannot access
• Sold individually — order in multiples of 100 to meet minimum order quantity requirements

Compatibility

Designed for use with mandrel-driven rotary tools and die grinders that accept 0.5 inch diameter straight cartridge rolls. Verify mandrel size and RPM rating before mounting.

Installation Notes

Cartridge rolls are installed by a machinist or metal fabricator using a compatible threaded or expanding mandrel. Ensure the spindle tool is powered off and locked out before mounting or removing the roll. Do not exceed the maximum RPM rating of the mandrel or the tool. Wear appropriate eye and face protection during operation as abrasive debris and fragmented grit are hazards at operating speed.