3M 7000000650 Unitized Abrasive Wheel 4 in 1/4 in Arbor Ao

Product Description

The 3M 7000000650 is a Scotch-Brite Cut and Polish Unitized Wheel designed for aggressive deburring, blending, and finishing on harder metals. Built with a tightly layered, non-woven construction, this 4-inch diameter wheel mounts on a 1/4-inch arbor and can be driven in either clockwise or counterclockwise rotation. The aluminum oxide (AO) abrasive mineral is present in high concentration, delivering fast cutting action and a consistently bright finish from the first use through the end of the wheel's service life. The unitized construction holds its shape and cuts uniformly as it wears, making it a reliable choice for precision surface work on demanding materials.

This wheel is suited for metalworking applications involving stainless steel, carbon steel, and high-nickel alloys. The compact 4-inch diameter and narrow profile make it practical for portable tool use and tight-access work areas. It fits well in production finishing, fabrication shops, and field service situations where controlled material removal is needed without risking undercutting or gouging the workpiece. Licensed tradespeople and skilled fabricators working with harder metals will find the medium-to-hard density range appropriate for blending welds, cleaning up burrs, and preparing surfaces for further finishing steps.

Key Features

• 4-inch diameter with 1/4-inch arbor for use on portable rotary tools and die grinders
• High concentration of aluminum oxide abrasive for fast, aggressive cutting on harder metals
• Tightly layered, unitized non-woven construction resists loading and wears at a uniform rate
• Operates in clockwise or counterclockwise rotation for flexible tool compatibility
• Flexible construction provides controlled abrasive action, helping prevent undercutting or gouging
• Suitable for deburring, blending, and finishing on stainless steel, carbon steel, and high-nickel alloys

Compatibility

Designed for use with portable rotary tools and die grinders accepting a 1/4-inch arbor; appropriate for surface finishing and deburring applications on harder metals including stainless steel, carbon steel, and high-nickel alloys.

Installation Notes

Installation and operation should be performed by qualified personnel familiar with abrasive wheel safety practices. Always confirm the tool's rated RPM meets or exceeds the wheel's maximum speed rating before mounting. Power down and disconnect the tool before mounting or removing the wheel. Inspect the wheel for visible damage before each use and never operate a damaged or cracked abrasive wheel.

Technical Specifications

• Wheel Diameter: 4 inches
• Arbor Size: 1/4 inch
• Abrasive Type: Aluminum Oxide (AO)
• Construction: Unitized, non-woven
• Rotation: Clockwise or counterclockwise
• Weight: 0.1 pounds
• Package Length: 5.7 inches
• Package Width: 5.7 inches
• Package Height: 6 inches
• Sold As: Each

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000000650