Arc Abrasives 10816FF Flap Disc 4.5in Type 27 80 Grit

Product Description

The ARC ABRASIVES 10816FF is a Type 27 flap disc designed for general-purpose grinding and blending applications. Measuring 4.5 inches in diameter with a 5/8 inches-11 threaded arbor, this disc mounts directly to standard angle grinders used throughout metal fabrication and finishing work. The 80-grit aluminum oxide abrasive removes material efficiently while leaving a consistent surface finish. Cotton backing reinforces the flap construction, adding strength and durability through the full life of the disc. It is a practical, cost-competitive option for shops and field techs who need reliable performance without premium pricing.

This flap disc is suited for work on mild steel, aluminum, and composite materials in both shop and field environments. The Type 27 flat profile is the standard configuration for surface grinding and blending on flat or mildly contoured workpieces. It is commonly used by fabricators, ironworkers, pipefitters, and general contractors for weld blending, surface preparation, and rust or scale removal. The 5/8 inches-11 arbor fits the most common angle grinder spindle size in North American trade use.

Key Features

• Type 27 flat profile for surface grinding and blending
• 80-grit cut rate suitable for material removal and intermediate finishing
• 4.5 inches diameter with 5/8 inches-11 threaded arbor fits standard angle grinders
• Cotton backing adds structural strength and extends disc service life
• Compatible with mild steel, aluminum, and composite substrates

Compatibility

Designed for use with standard 4.5 inches angle grinders equipped with a 5/8 inches-11 spindle thread, which is the common arbor size across most professional-grade angle grinders sold in North America.

Installation Notes

Flap discs are installed and serviced by fabricators, ironworkers, and general trades using standard angle grinders. Always disconnect or power down the grinder before mounting or removing a disc. Confirm the grinder's rated RPM meets or exceeds the disc's maximum RPM rating before use, and inspect the disc for damage before each application. Thread the disc fully onto the spindle and ensure it is seated securely before operating.

Technical Specifications

• Disc Diameter: 4.5 inches
• Arbor Size: 5/8 inches-11
• Disc Type: Type 27
• Grit: 80
• Backing Material: Cotton
• Weight: 0.15 pounds
• Unit of Measure: Each
• Minimum Order Quantity: 10

Standard Information

• Brand: ARC ABRASIVES
• Manufacturer Part Number: 10816FF