Home » Product » 4-1/2 x 7/8 Type 29 Flap Disc Zirconia for Metal 80 Grit, 10/bx

4-1/2 x 7/8 Type 29 Flap Disc Zirconia for Metal 80 Grit, 10/bx


BoltCraft’s 4-1/2″ x 7/8″ Type 29 Flap Disc, equipped with Zirconia abrasive for metal and an 80 grit, is tailored for fine grinding and finishing tasks. This high-quality flap disc offers a superior surface finish on metals, blending efficiency with durability for professional applications in metal fabrication, auto body work, and general metal maintenance. The 80 grit provides a fine abrasive surface, ideal for achieving smooth finishes, and is packaged in a box of 10 for convenience.

SKU: 11FD4580-T29-B

$100 minimum order


  • The Type 29 Flap Disc by BoltCraft features a conical shape with premium zirconia alumina abrasive, optimized for fine finishing on various metal surfaces. The 80 grit is specifically designed for achieving a superior finish, making it an essential tool for tasks requiring precision and a high-quality surface.

Applications & Advantages

  • Suitable for a wide range of finishing tasks on stainless steel, aluminum, and other metals, including deburring, surface smoothing, and aesthetic finishing.
  • The zirconia alumina grain provides excellent cut rates and disc longevity, outperforming traditional aluminum oxide abrasives in both durability and performance.
  • The Type 29 (conical) design allows for aggressive grinding at optimum angles, enhancing the disc’s versatility and finishing capabilities.

Material & Specifications

  • Made with high-quality zirconia alumina on durable polyester flaps, the disc ensures even wear and consistent exposure of sharp, fresh grains for continuous cutting action.
  • The 4-1/2″ diameter and 7/8″ arbor size ensure compatibility with the majority of angle grinders, making it accessible for various metalworking projects.
  • The 80 grit rating is ideal for fine finishing, providing a balance between efficient material removal and achieving a smooth, refined surface.

Reliability & Performance

  • Engineered for long-lasting performance, the flap disc maintains its integrity and cutting ability, ensuring reliable and consistent finishes.
  • The quality construction and materials ensure minimal vibration and maximum user comfort, reducing fatigue and improving control during extended use.

Testing & Compliance

  • Rigorously tested for performance, durability, and safety, ensuring each flap disc meets BoltCraft’s stringent quality standards.
  • Compliant with relevant industry standards for abrasive products, ensuring safe and effective operation when used with appropriate safety measures and equipment.
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