3M 7100185296 Scotch-brite Exl Unitized Wheel 4 in 1 in Arbor

Product Description

The 3M 7100185296 is a Scotch-Brite EXL Unitized Abrasive Wheel designed for smoothing, deburring, and surface finishing on metal alloys, plastics, and composites. Built with a soft, conformable, layered construction, this wheel maintains consistent abrasive contact across irregular and complex-shaped workpieces. At 4 inches in diameter with a 1-inch arbor hole, it mounts to standard bench grinders, die grinders, and finishing machines used in fabrication and metalworking shops. The aluminum oxide abrasive mineral delivers reliable cut while resisting heat buildup, which helps protect heat-sensitive base materials and reduces smearing for cleaner finished surfaces.

This wheel is suited for both manual finishing operations and automated or robotic processing environments where conformability is a priority. Typical applications include edge deburring, pre-plate finishing, blending weld seams, and light surface conditioning on metal fabrications, machined parts, and plastic or composite components. The unitized construction allows the wheel to run in either clockwise or counterclockwise rotation, adding flexibility in multi-spindle or reversible-drive setups. It is used by machinists, fabricators, and finishing technicians across light manufacturing and job-shop environments.

Key Features

• Soft, conformable, layered unitized construction maintains abrasive contact on complex geometries
• Runs clockwise or counterclockwise, compatible with reversible-drive finishing equipment
• Minimizes heat buildup to protect heat-sensitive substrates during finishing
• Resists smearing for cleaner surfaces with less prep between operations
• Wheel edge can be dressed to restore cutting geometry for deburring, finishing, and polishing
• Suitable for metal alloys, many plastics, and composite materials

Compatibility

Designed as an OEM-style replacement or production-use unitized abrasive wheel for standard bench grinders, die grinders, and rotary finishing machines accepting a 1-inch arbor and accommodating a 4-inch diameter wheel.

Installation Notes

Installation should be performed by a qualified machinist or finishing technician familiar with abrasive wheel safety. Always power down and de-energize the spindle before mounting or removing the wheel. Confirm that the machine speed rating meets or does not exceed the maximum RPM marked on the wheel, per ANSI B7.1 abrasive wheel safety standards. Inspect the wheel for damage before each use and never operate a cracked or delaminated unitized wheel.

Technical Specifications

• Wheel Diameter: 4 inches
• Arbor Size: 1 inch
• Abrasive Mineral: Aluminum Oxide (AO)
• Construction: Unitized, layered
• Weight: 24.5 pounds
• Package Dimensions: 16.6 x 16.5 x 7.3 inches
• Unit of Measure: Each
• UPC: 638060057013

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7100185296