3M 7000045929 Scotch-brite Exl Unitized Wheel 3 in

Product Description

The 3M 7000045929 is a Scotch-Brite EXL Unitized Abrasive Wheel designed for smoothing, deburring, and surface finishing on metal alloys, plastics, and composites. The unitized construction bonds abrasive fibers throughout the wheel body, giving it a soft, conformable consistency that maintains consistent contact with irregular or complex-shaped workpieces. This wheel uses aluminum oxide abrasive media and mounts on a 1/4 inch arbor. It measures 3 inches in diameter and weighs 0.07 pounds. Metal fabricators, machinists, and industrial finishing technicians use this wheel for edge work and surface prep on both flat and contoured parts.

This wheel is suited for bench grinder, die grinder, and automated robotic finishing setups where conformability and heat management are critical. It performs on ferrous and non-ferrous metals, as well as many plastics and composite materials. The wheel can operate in both clockwise and counterclockwise rotation, making it adaptable to a range of tool configurations. Typical applications include edge deburring after cutting or stamping, pre-polish surface conditioning, and final finishing passes where smearing or heat distortion must be avoided.

Key Features

• Soft, conformable unitized construction maintains abrasive contact on complex or contoured part geometries
• Bidirectional rotation — operates clockwise or counterclockwise
• Resists smearing, producing cleaner surfaces with less secondary prep required
• Minimizes heat buildup, reducing risk of thermal damage on heat-sensitive materials
• Wheel edge can be dressed to restore cutting profile for deburring, finishing, and polishing
• Compatible with robotic and automated finishing processes due to consistent conformability

Compatibility

Designed as an OEM-style replacement unitized wheel for bench grinders, die grinders, and automated finishing equipment accepting a 1/4 inch arbor and 3 inch diameter wheel.

Installation Notes

Installation should be performed by a qualified machinist or industrial technician familiar with abrasive wheel safety. Always power down and de-energize the tool before mounting or removing the wheel. Confirm the tool spindle speed rating meets or exceeds the maximum rated RPM of the wheel before operation. Inspect the wheel for damage before each use and never use a cracked or deformed unitized wheel.

Technical Specifications

• Wheel Diameter: 3 inches
• Arbor Size: 1/4 inch
• Abrasive Type: Aluminum Oxide (AO)
• Construction: Unitized
• Weight: 0.07 pounds
• Package Dimensions: 6.9 x 6.9 x 4.4 inches
• Sold As: Each
• UPC: 00048011491929

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000045929