Merit Abrasives 66261194396 Cartridge Roll 80 Grit Ceramic

Product Description

The MERIT ABRASIVES 66261194396 is a straight cartridge roll abrasive designed for precision deburring, blending, and surface finishing in tight or contoured areas. Built on a cloth backing with a ceramic abrasive grain, this roll delivers consistent cut rate and durability under high-cycle use. At 0.5 inches in diameter and rated to 18,000 RPM, it is suited for use with pneumatic or electric die grinders and rotary tools. The 80 grit fine grade removes light stock while leaving a smooth, controlled finish. It is sold individually and is a standard consumable for machinists, fabricators, and metalworking professionals.

This cartridge roll is used in metalworking and fabrication environments where internal bores, weld joints, and contoured surfaces require finishing that flat abrasives cannot reach. Typical applications include deburring drilled holes, blending weld beads in tube and pipe interiors, and finishing hard-to-reach profiles on ferrous and non-ferrous workpieces. Its small 0.5-inch diameter allows access to narrow slots and recesses common in precision machining and light manufacturing work.

Key Features

• Ceramic abrasive grain for aggressive, consistent cut rate on metal surfaces
• 80 grit fine grade for light stock removal and smooth surface finish
• Cloth backing provides flexibility and durability under rotational stress
• 0.5 inch diameter fits standard mandrels used with die grinders and rotary tools
• Rated to 18,000 RPM for compatibility with high-speed pneumatic and electric tools

Compatibility

Designed as an OEM-style replacement consumable for use with standard cartridge roll mandrels compatible with 0.5 inch diameter straight cartridge rolls on pneumatic or electric rotary tools and die grinders.

Installation Notes

Cartridge rolls are installed by threading or pressing the roll onto a compatible mandrel before mounting in the rotary tool or die grinder. Confirm the tool speed does not exceed the 18,000 RPM rating of the roll before operation. Inspect the roll and mandrel for wear or damage prior to each use and replace if the abrasive grain is depleted or the backing shows signs of separation. Eye protection and appropriate PPE are required during all abrasive grinding and finishing operations.