Gold 02503 Open Coated Sanding Disc, 8 in, P40 Grit, Premium - Sunmight Usa

Part #: 02503

The Sunmight Gold 02503 Open Coated Sanding Disc is engineered for professional automotive and industrial applications requiring aggressive material removal. This 8-inch, P40 grit PSA disc combines premium abrasive grains with durable construction to deliver consistent performance and extended service life for technicians and mechanics. Its design focuses on efficiency and reliability in demanding work environments.

Key Features

  • Premium Aluminum Oxide Grain: Features heat-treated aluminum oxide for superior cutting performance and extended abrasive life, tackling tough surfaces efficiently.
  • Durable Latex Paper Backing: Constructed with a robust latex paper backing that offers enhanced flexibility and tear resistance, outperforming traditional paper backings.
  • Strong Phenolic Resin Bond: Utilizes a special phenolic resin bonding technology to securely anchor the abrasive grains, significantly reducing shelling and grit shedding for a longer working life.
  • Open Coat Design: The open coat design minimizes loading, especially when sanding softer materials or paints, ensuring a more consistent cut.
  • Pressure Sensitive Adhesive (PSA) Attachment: Equipped with a reliable sticky-back adhesive for quick and secure attachment to backing pads, featuring a tabbed liner for easy removal, even when wearing gloves.

Applications

The P40 grit of the Sunmight Gold 02503 sanding disc is ideal for heavy material removal tasks across various professional settings. It is well-suited for stripping old paint and rust, leveling imperfections in metal or body filler during autobody repair, and aggressively shaping body filler. This disc also performs effectively in industrial metalworking, woodworking, and marine applications where coarse sanding is required to prepare surfaces before subsequent, finer grit stages.

Specifications

  • Manufacturer: Sunmight Usa
  • Model Number: 02503
  • Product Name: Gold 02503 Open Coated Sanding Disc
  • Size: 8 inches
  • Grit: P40
  • Grain: Premium Aluminum Oxide
  • Backing: Latex Paper
  • Bond: Phenolic Resin
  • Coating: Open Coat
  • Attachment Type: PSA (No Hole)
We have 67 in stock
List: $75.63 Save: $22.52

$53.11

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  • Model: 463339
  • Shipping Weight: 8.3lbs
  • UPC: 888730025032
  • Manufacturers Part #: 02503
  • Manufactured by: Sunmight Usa
  • Also Known As: SUA02503

This product was added to our catalog on Saturday 13 June, 2026.