Merit Abrasives 69957351584 Quick-change Disc 1in 80 Grit

Product Description

The MERIT ABRASIVES 69957351584 is a quick-change abrasive disc from the Merit Surface Prep series, designed for surface conditioning and material removal on metal and composite substrates. Built on a flexible polyester backing with a high-loft nylon fiber construction, it uses aluminum oxide grain and Clean Bond resin technology to deliver consistent cut rates without smearing or loading. At 80 grit, this disc sits in the medium grade range, making it suitable for moderate material removal and surface preparation. The Type R attaching system allows fast, tool-free mounting to compatible quick-change mandrels. Each disc measures 1 inch in diameter and is rated up to 40,000 RPM. Sold individually, with a minimum order quantity of 100 units.

This disc is suited for use on 300 and 400 series stainless steel, hard and soft carbon steels, tool steels, super alloys, titanium, and fiberglass or composite materials. It is compatible with die grinders, inline grinders, straight grinders, and handheld disc sanders, making it a practical fit for fabrication shops, weld prep, surface blending, and light deburring work in both production and field service environments. The maroon color indicates medium-grade conditioning, consistent with standard color coding across non-woven abrasive lines.

Key Features

• Aluminum oxide abrasive grain with Clean Bond resin for smear-free, consistent finishes
• High-loft nylon fiber construction extends disc life under repeated use
• Type R quick-change attaching system for fast mandrel mounting without tools
• Flexible polyester backing conforms to irregular surfaces and contours
• Rated to 40,000 RPM for use with high-speed die and inline grinders
• 80 grit medium grade suited for moderate material removal and surface prep

Compatibility

Compatible with die grinders, inline grinders, straight grinders, and handheld disc sanders equipped with a Type R quick-change mandrel. Rated for use on 300 series stainless, 400 series stainless, hard carbon steels, soft carbon steels, tool steels, super alloys, titanium, and fiberglass or composite materials.

Installation Notes

Installation is performed by trade professionals using a compatible Type R quick-change mandrel; ensure the mandrel is properly threaded and seated before operation. Always verify the tool spindle speed does not exceed the 40,000 RPM disc rating before use. Inspect the disc for damage before each use and replace immediately if fraying, tears, or delamination are present. Follow all applicable safety standards and wear appropriate PPE including eye protection when operating grinding or sanding equipment.