Merit Abrasives 69957399717 Quick-change Disc 24 Grit

Product Description

The MERIT ABRASIVES 69957399717 is a coated quick-change abrasive disc designed for use with Power-Lock Type 3 (TR/Type III) and Type R attaching systems on handheld disc sanders. The disc measures 3 inches in diameter and carries a 24-grit aluminum oxide abrasive grain, placing it in the extra coarse grade range. It is built on a rigid, X-weight, 2-ply cloth and polyester backing for durability under aggressive stock-removal conditions. Rated to 20,000 RPM, this disc suits metalworking tradespeople and fabricators who need fast cutting action on a variety of ferrous and non-ferrous materials.

This disc is suited for deburring, cleaning, and detailing operations on 300 and 400 series stainless steel, aluminum, brass, bronze, hard and soft carbon steels, and titanium. It is part of the Merit R766 series and is intended for use on handheld disc sanders in both shop and field environments. The coated brown disc construction delivers consistent cut rate across metal surface preparation tasks including weld cleanup, scale removal, and edge finishing.

Key Features

• 24-grit aluminum oxide grain for aggressive, extra coarse stock removal
• Power-Lock TR (Type III) and Type R quick-change compatibility for tool-free disc swaps
• X-weight, 2-ply cloth and polyester backing provides rigidity and tear resistance
• 20,000 RPM maximum speed rating suitable for high-speed handheld disc sanders
• Rated for use on stainless steel, aluminum, brass, bronze, carbon steels, and titanium
• Merit R766 series construction optimized for deburring, cleaning, and detailing stainless and soft metals

Compatibility

Compatible with handheld disc sanders using TR (Type III) or Type R quick-change attaching systems. Designed for metalworking applications on 300 series stainless, 400 series stainless, aluminum, brass, bronze, hard carbon steels, soft carbon steels, and titanium.

Installation Notes

Installation is performed by metalworkers and fabricators using compatible quick-change disc sanders. Ensure the sander is powered off and disconnected from its power source before mounting or removing the disc. Verify the tool spindle speed does not exceed the 20,000 RPM disc rating before operation. Inspect the disc for damage before each use and discard any disc that is cracked, torn, or delaminated.