Merit Abrasives 08834180220 Straight Cartridge Roll 240 Grit

Product Description

The MERIT ABRASIVES 08834180220 is a straight cartridge roll designed for precision deburring, blending, and finishing in tight bores, slots, and contoured surfaces. The abrasive material is aluminum oxide, rated at 240 grit for very fine surface refinement. At 3/8 inch in diameter, this roll fits standard mandrels used with die grinders, drill presses, and rotary tools. It is sized for detail work in areas where larger abrasive formats cannot reach. Machinists, metal fabricators, and tool-and-die professionals rely on this format for consistent, controlled stock removal on ferrous and non-ferrous metals.

This cartridge roll is suited for finishing operations in both shop and field environments. Typical applications include deburring drilled holes, blending weld seams in narrow channels, and refining interior radii on machined parts. The 240-grit aluminum oxide abrasive is appropriate for final passes where surface finish quality is the priority rather than aggressive material removal. It fits die grinder mandrels commonly used in fabrication, automotive restoration, and precision machining workflows.

Key Features

• 240-grit aluminum oxide abrasive delivers very fine surface finish suitable for final-stage finishing
• 3/8 inch diameter fits standard cartridge roll mandrels for die grinders and rotary tools
• Straight roll profile provides consistent abrasive contact in cylindrical bores and slots
• Aluminum oxide construction offers reliable performance on ferrous metals, aluminum, and similar materials
• Individual unit packaging maintains abrasive integrity until point of use

Compatibility

Designed as a replacement-style straight cartridge roll for use with standard 3/8 inch mandrels compatible with die grinders and rotary tools used in metal finishing and fabrication applications.

Installation Notes

Cartridge rolls are installed by a machinist or fabricator onto a compatible threaded or tapered mandrel before mounting in a die grinder or rotary tool. Ensure the tool is powered off and unplugged before changing abrasive rolls. Do not exceed the maximum RPM rating of the mandrel or tool. Inspect the roll for damage before each use and discard if the abrasive shows uneven wear or the paper core is compromised.