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4-1/2" ValueGrind Aluminum Oxide Resin Fiber Discs

4-1/2" ValueGrind Aluminum Oxide Resin Fiber Discs

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Heavy-Duty Resin Fiber Discs for Angle Grinders

USA1 Abrasives ValueGrind Aluminum Oxide Resin Fiber Discs are engineered for aggressive grinding, blending, and finishing on metal and wood with angle grinders. Built on a rigid fiberglass-reinforced resin fiber backing, these discs withstand the high RPMs and lateral forces of angle grinder use while delivering fast, consistent material removal.

Technical Specifications

  • Abrasive Material: Aluminum oxide
  • Backing: Heavy-duty resin fiber (fiberglass reinforced)
  • Diameter: 4-1/2" (115mm)
  • Arbor Hole: 7/8" center hole
  • Max RPM: 13,300 RPM
  • Attachment: Requires rubber backing pad (sold separately)
  • Application: Dry grinding and blending

Key Features & Benefits

  • Rigid Fiber Backing: Fiberglass-reinforced backing handles high RPM and lateral pressure without flexing
  • Fast Stock Removal: Aggressive aluminum oxide grains cut quickly on metal and wood
  • Versatile Performance: Grinds, blends, and finishes in one disc
  • Value Pricing: Professional performance at a budget-friendly price
  • High Heat Resistance: Resin bond withstands the heat of angle grinder use
  • Long Disc Life: Durable construction for extended grinding sessions

Recommended Applications

  • Weld blending and grinding on steel and stainless
  • Rust and scale removal from metal surfaces
  • Paint and coating removal from metal
  • Surface conditioning and blending
  • Wood shaping and aggressive stock removal
  • Deburring and edge cleanup

Compatible Tools

Designed for use with 4-1/2" angle grinders from DeWalt, Makita, Bosch, Milwaukee, Metabo, and other major brands. Requires a rubber backing pad for proper use.

Grit Selection Guide

  • 24-36 Grit: Heavy grinding, weld removal, aggressive shaping
  • 50-60 Grit: General grinding and blending
  • 80-120 Grit: Surface conditioning, light blending, paint removal

Note: Always wear appropriate PPE including eye protection, gloves, and hearing protection when using angle grinders.

Angle Grinder Performance. ValueGrind Quality. Professional Results.