Norton 66254419997 Powerflex Flap Disc 4.5in 80 Grit Type 29

Product Description

The NORTON 66254419997 is a Powerflex Type 29 flap disc designed for aggressive material removal and blending on metal surfaces. Measuring 4.5 inches in diameter with a 5/8-11 threaded arbor, this disc mounts directly to standard angle grinders used in fabrication, welding, and metal finishing applications. The 80-grit abrasive provides a medium cut that removes weld spatter, scale, and surface imperfections while leaving a consistent finish. The Type 29 conical profile directs abrasive material into the workpiece at an angle, increasing contact area and cutting efficiency compared to a flat Type 27 disc. Sold individually with a minimum order quantity of 10 per case.

This flap disc is suited for use in metal fabrication shops, structural steel work, pipe welding, and general grinding tasks where an angled disc profile improves surface contact. The 80-grit rating makes it appropriate for intermediate stock removal and surface conditioning on mild steel, stainless steel, and similar metals. It is typically installed and operated by welders, metal fabricators, pipefitters, and ironworkers using angle grinders in production or field environments.

Key Features

• Type 29 conical profile increases surface contact angle for efficient grinding and blending
• 80-grit abrasive balances stock removal rate with surface finish quality
• 4.5-inch diameter fits standard angle grinders with 5/8-11 threaded spindles
• Powerflex construction allows the disc to conform to contoured and flat surfaces
• Bulk pack configuration with a case quantity of 10 supports production-volume use

Compatibility

Designed for use with angle grinders equipped with a 5/8-11 threaded spindle accepting 4.5-inch diameter abrasive discs.

Installation Notes

Installation and operation should be performed by qualified personnel familiar with angle grinder safety requirements. Verify the grinder's maximum RPM rating meets or exceeds the disc's rated speed before mounting. Ensure the grinder is fully de-energized and the power source is disconnected before changing discs. Always use the appropriate guard and personal protective equipment, including face shield and gloves, during operation.

Technical Specifications

• Diameter: 4.5 inches
• Arbor Size: 5/8-11 threaded
• Grit: 80
• Disc Type: Type 29 (conical)
• Series: Powerflex
• Case Quantity: 10 each
• Unit of Measure: Each

Standard Information

• Brand: NORTON
• Manufacturer Part Number: 66254419997