AirCat FP5404 Fiber Backup Pad 4-1/2 In. x 7/8 In. for Air Sanders

The AirCat FP5404 is a 4-1/2 inch fiber backup pad designed for use with compatible AirCat air sanders and angle grinders. Featuring a standard 7/8 inch arbor hole, this pad provides a secure, centered mount for resin fiber sanding discs, making it a reliable replacement or spare for professional and DIY abrasive work.

Fiber backup pads are engineered to support resin fiber discs during aggressive material removal applications, including weld grinding, rust removal, deburring, and surface prep on metal, wood, and composites. The rigid fiber construction helps distribute pressure evenly across the disc face for consistent, controlled cutting action.

Key Features:

• Pad Diameter: 4-1/2 inches — standard size for angle grinders and disc air sanders
• Arbor Hole: 7/8 inch center hole for secure tool mounting
• Fiber construction provides firm, even backing for resin fiber sanding discs
• Compatible with standard 4-1/2 in. resin fiber abrasive discs
• Genuine AirCat replacement part — engineered to work with AirCat pneumatic tools
• Ideal for metal grinding, surface preparation, weld cleanup, and deburring

The AirCat FP5404 is a genuine OEM-spec replacement pad, ensuring proper fit and performance when paired with compatible AirCat sanding tools. Keep a spare on hand to minimize downtime during heavy-use applications.