3M 7000121872 Surface Conditioning Fe Disc 4.5 in Ao

Product Description

The 3M 7000121872 is a Surface Conditioning FE Disc engineered for edge work, deburring, and blending across all metal types. Built on a flexible FE substrate, it uses Aluminum Oxide abrasive to deliver high initial cut rate along with extended service life under sustained contact pressure. The disc measures 4.5 inches in diameter with a 0.37-inch arbor and attaches via a Hook and Loop fastening system, making it fast to mount and swap during production or service work. Installers and fabricators working on both flat and contoured surfaces will find the flexible backing conforms well without sacrificing cut aggressiveness.

This disc is suited for ferrous metal applications where stock removal, blending, and light deburring are required in a single step. It performs on flat sheet, tubing, weldments, and contoured profiles. The Aluminum Oxide grain on FE material is most efficient when firm contact pressure is maintained, making it a practical choice for metal fabrication shops, maintenance technicians, and industrial service personnel handling surface prep and finish work on steel and iron components.

Key Features

• Aluminum Oxide abrasive on FE substrate delivers high initial and extended cut rate
• Flexible backing conforms to flat and contoured metal surfaces
• High edge durability suited for edge blending and deburring operations
• Hook and Loop attachment allows fast disc changes without tools
• Designed for blending, coating removal, finishing, and light deburring on ferrous materials
• Most efficient under high contact pressure where stock removal is required

Compatibility

Designed as an OEM-style replacement disc for use with 4.5-inch Hook and Loop compatible angle grinders and surface conditioning tools accepting a 0.37-inch arbor.

Installation Notes

Installation is performed by trade fabricators, maintenance technicians, or metalworkers using compatible angle grinders or disc tools. Ensure the tool is powered off and disconnected from its power source before mounting or removing the disc. Verify the tool's rated RPM meets or exceeds the disc's rated speed before operation. Wear appropriate PPE including eye protection and gloves when operating abrasive discs.

Technical Specifications

• Disc Diameter: 4.5 inches
• Arbor Size: 0.37 inches
• Abrasive Material: Aluminum Oxide
• Backing Material: FE
• Attachment Type: Hook and Loop
• Package Weight: 6.52 pounds
• Package Length: 12.38 inches
• Package Width: 12.38 inches
• Package Height: 5.75 inches
• Unit of Measure: Each
• Minimum Order Quantity: 100
• UPC: 051115331560

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000121872