Norton 666233-57279 Aluminum Oxide Fiber Disc 60 Grit

Product Description

The NORTON 666233-57279 is an aluminum oxide fiber disc designed for aggressive material removal on metal, wood, and composite surfaces. Measuring 5 inches in diameter with a 7/8-inch arbor hole, this disc mounts directly to standard right-angle grinders and disc grinders. The 60-grit abrasive rating positions it in the medium-coarse range, making it well suited for weld blending, rust removal, paint stripping, and surface conditioning tasks. Sold in a minimum quantity of 25 discs per order, this product fits into the Merit FX370 abrasive family and is a practical consumable for trade and industrial grinding applications.

This fiber disc is intended for use on angle grinders in fabrication shops, maintenance facilities, and field service environments. Its aluminum oxide abrasive construction provides consistent cut rate across ferrous metals and general-purpose materials. The 60-grit designation makes it a go-to choice for initial stock removal and surface prep before finer finishing steps. It is used by welders, pipefitters, metal fabricators, and maintenance technicians who need a reliable, high-cycle consumable for daily grinding work.

Key Features

• Aluminum oxide abrasive construction for consistent cut rate on ferrous metals and general materials
• 60-grit rating suited for weld blending, rust removal, and aggressive stock removal
• 5-inch diameter with 7/8-inch arbor hole for standard right-angle grinder compatibility
• Part of the Merit FX370 abrasive disc family
• Sold in increments of 25 discs per unit of measure

Compatibility

Designed as an OEM-style replacement and standard consumable within the Merit FX370 fiber disc product family, compatible with right-angle grinders and disc grinders accepting a 5-inch disc with a 7/8-inch arbor hole.

Installation Notes

Installation is performed by welders, fabricators, and maintenance technicians using standard right-angle grinders. Before mounting, ensure the grinder is disconnected from power and the spindle lock is engaged. Confirm the grinder's RPM rating meets or exceeds the disc's rated speed before use. Inspect each disc for cracks or damage prior to mounting, and never use a damaged disc.

Technical Specifications

• Abrasive Material: Aluminum Oxide
• Product Family: Merit FX370
• Disc Diameter: 5 inches
• Arbor Hole Size: 7/8 inches
• Grit: 60
• Packaging Quantity: 25 discs
• Unit of Measure: Each

Standard Information

• Brand: NORTON
• Manufacturer Part Number: 666233-57279