3M 7000144603 Scotch-brite Exl Unitized Wheel 8 in Fine Grit

Product Description

The 3M 7000144603 is a Scotch-Brite EXL Unitized Wheel designed for smoothing, deburring, and surface finishing on metal alloys, plastics, and composites. Built with silicon carbide abrasive at a fine grit rating, the wheel delivers controlled cut with minimal heat buildup — an important trait when working on heat-sensitive materials or precision parts. The unitized construction bonds abrasive layers throughout the wheel body, so performance stays consistent from the outer edge down to the core. At 8 inches in diameter and 2.5 inches wide, this wheel fits standard bench grinders and pedestal units used in fabrication and finishing shops. Machinists, fabricators, and industrial maintenance techs are the primary users.

This wheel is suited for edge finishing, deburring, and polishing operations on metal alloys including stainless steel, aluminum, and titanium, as well as many plastics and composite materials. Its conformable consistency allows the abrasive surface to follow complex or irregular part geometries, making it a practical choice for both manual bench grinding and automated robotic processing lines. The fine grit designation makes it appropriate for light stock removal and pre-polish surface prep rather than aggressive material removal.

Key Features

• Silicon carbide abrasive construction for consistent cut on metals, plastics, and composites
• Unitized layered build maintains abrasive performance throughout the full wheel life
• Conformable consistency allows contact with complex and irregular part profiles
• Operates in both clockwise and counterclockwise directions for flexible machine mounting
• Minimizes heat buildup to protect heat-sensitive workpieces
• Resists smearing for cleaner finished surfaces and reduced prep time

Compatibility

Designed for use on bench grinders and pedestal grinders accepting 8-inch diameter unitized wheels. Suitable for deburring, finishing, and polishing applications on metal alloys, plastics, and composites in fabrication, maintenance, and robotic processing environments.

Installation Notes

Installation should be performed by a qualified operator following the machine manufacturer's mounting instructions and applicable ANSI B11 or OSHA abrasive wheel safety guidelines. Always power down and lock out the grinder before mounting or removing the wheel. Verify that the machine spindle speed does not exceed the maximum RPM rating marked on the wheel. Inspect the wheel for cracks or damage before each use and do not use damaged wheels.

Technical Specifications

• Abrasive Material: Silicon Carbide
• Grit Grade: Fine
• Wheel Diameter: 8 inches
• Wheel Width: 2.5 inches
• Package Length: 8.6 inches
• Package Width: 8.5 inches
• Weight: 0.28 pounds
• Sold As: Each
• Minimum Order Quantity: 4
• UPC: 00048011280073

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000144603