3M 7010309878 Scotch-brite Unitized Wheel 2.5 in 3/8 in Arbor

Product Description

The 3M 7010309878 is a Scotch-Brite Cut and Polish Unitized Wheel designed for aggressive deburring, blending, and finishing on harder metals. The tightly layered, non-woven construction holds abrasive mineral throughout the full depth of the wheel, so cutting performance remains consistent from first use to last. Available in medium to hard densities, this wheel suits applications where controlled material removal is critical and where portability matters. At 2.5 inches in diameter with a 3/8 inch arbor, it covers small-diameter and narrow-width jobs that standard larger wheels cannot reach efficiently.

This unitized wheel is built for metalworking applications involving stainless steel, carbon steel, and high nickel alloys. It performs well in fabrication shops, maintenance environments, and field service situations where a portable angle grinder or die grinder is the tool of choice. The wheel handles aggressive stock removal passes as well as finish blending in a single product, reducing the need to change tooling between steps. Its compact size makes it practical for tight clearances and detail work on fabricated assemblies or weld zones.

Key Features

• Tightly layered unitized construction operates in clockwise or counterclockwise rotation
• High concentration of aluminum oxide (AO) abrasive mineral delivers fast cutting and a consistent bright finish throughout wheel life
• Flexible, non-woven construction provides controlled abrasive action that reduces risk of undercutting or gouging
• Scotch-Brite material resists loading and wears at a uniform rate for continuous cutting action
• Compact 2.5 inch diameter and 3/8 inch arbor fit portable grinders used in field and shop settings
• Medium to hard density range suits aggressive deburring and finish blending on harder base metals

Compatibility

Designed for use with portable angle grinders and die grinders accepting a 3/8 inch arbor. Suited for deburring, blending, and finishing operations on stainless steel, carbon steel, and high nickel alloys.

Installation Notes

Mounting and operation should be performed by a qualified metalworking professional or trained technician. Verify that the grinder spindle speed does not exceed the maximum rated RPM marked on the wheel before mounting. Ensure the arbor shaft is clean and the wheel is fully seated and secured before powering the tool. Always wear appropriate PPE including eye protection and gloves when operating abrasive wheels.

Technical Specifications

• Diameter: 2.5 inches
• Arbor Size: 3/8 inch
• Abrasive Mineral: Aluminum Oxide (AO)
• Construction: Unitized, non-woven
• Density: Medium to hard
• Package Dimensions: 5.7 x 5.7 x 6 inches
• Weight: 1 pound
• UOM: Each

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7010309878