Arc Abrasives 10824FF Flap Disc 4.5x7/8 in Type 27 40 Grit

Product Description

The ARC ABRASIVES 10824FF is a Type 27 flap disc designed for general-purpose grinding and blending on a range of common materials. Measuring 4.5 inches in diameter with a 7/8-inch arbor hole, this disc mounts directly to standard angle grinders. The 40-grit abrasive provides aggressive material removal, making it well suited for weld cleanup, deburring, and surface conditioning. Cotton backing reinforces the abrasive flaps, adding structural strength and durability through the full life of the disc. It is a practical, cost-competitive option for shops and field crews working with metal fabrication and finishing tasks.

This flap disc is intended for use on mild steel, aluminum, and composite materials. It fits standard 4.5-inch angle grinders and is a common choice for metal fabricators, ironworkers, pipefitters, and general maintenance technicians. The Type 27 flat-profile design keeps the grinding surface parallel to the workpiece, which is preferred for flat stock, weld seams, and surface blending applications where a low angle of attack is needed.

Key Features

• Type 27 flat-profile disc for low-angle grinding and surface blending
• 40-grit abrasive for aggressive stock removal and weld cleanup
• 4.5-inch diameter with 7/8-inch arbor fits standard angle grinders
• Cotton backing provides added strength and durability
• Suitable for mild steel, aluminum, and composites

Compatibility

Designed for use with standard 4.5-inch angle grinders accepting a 7/8-inch arbor. Suitable for mild steel, aluminum, and composite substrates.

Installation Notes

Installation should be performed by a qualified operator familiar with angle grinder safety practices. Ensure the grinder is unplugged or the battery is removed before mounting or removing the disc. Verify the grinder RPM rating meets or exceeds the disc RPM rating before operation. Always use the appropriate guard and personal protective equipment when grinding.

Technical Specifications

• Diameter: 4.5 inches
• Arbor Size: 7/8 inches
• Disc Type: Type 27
• Grit: 40
• Backing Material: Cotton
• Weight: 0.04 pounds
• Unit of Measure: Each
• Minimum Order Quantity: 10

Standard Information

• Brand: ARC ABRASIVES
• Manufacturer Part Number: 10824FF