3M 7010309072 Full Taper Cartridge Roll 3/8 in 320 Grit

Product Description

The 3M 7010309072 is a full taper cartridge roll designed for precision deburring, blending, and surface finishing on metal and other hard materials. Built with aluminum oxide abrasive on a heavyweight cloth backing (X-weight), this roll delivers consistent cut and durability through demanding finishing operations. At 320 grit, it falls in the extra fine grade range, making it well suited for final-pass finishing and light material removal where surface quality matters. Licensed HVAC techs, machinists, and metal fabricators typically reach for this style of roll when working in bores, slots, and contoured areas that flat abrasives cannot reach.

Full taper cartridge rolls mount on a mandrel and are used in die grinders and other rotary tools for internal and contoured surface finishing. The full taper profile allows the roll to conform to irregular geometry and wear evenly through use. This product is sold individually (package quantity of 1) and is intended for professional trade and industrial use where fine finishing on tight geometries is required.

Key Features

• 320 grit extra fine aluminum oxide abrasive for smooth, controlled final-pass finishing
• Full taper profile conforms to bores, slots, and contoured surfaces
• X-weight cloth backing provides durability and resistance to tearing under load
• 3/8 inch maximum roll diameter fits standard mandrel setups in die grinders
• Consistent grit distribution supports repeatable surface finish results

Compatibility

Designed for use with standard cartridge roll mandrels in die grinders and rotary tools accepting rolls up to 3/8 inch maximum diameter.

Installation Notes

Cartridge rolls are installed by threading the roll onto a compatible tapered mandrel and securing it per the mandrel manufacturer instructions. Always verify the mandrel and tool RPM rating meets or exceeds the roll rating before operation. Wear appropriate eye and hand protection during use. Inspect the roll before each use and discard if tears, unraveling, or uneven wear are present.