Merit Abrasives 69957399794 Quick-change Disc 180 Grit 3 in

Product Description

The MERIT ABRASIVES 69957399794 is a 3-inch quick-change coated abrasive disc designed for use with Power-Lock Type 1 attachment systems on handheld disc sanders. It features aluminum oxide abrasive at 180 grit, rated Very Fine, bonded to a rigid X-weight 2-ply polyester backing for added durability and a faster cut rate. The disc is brown in color and belongs to the R766 Series. Rated at a maximum of 20,000 RPM, it is suited for high-speed grinding and finishing applications. Licensed HVAC techs, pipefitters, fabricators, and general trade professionals working with metal components will find this disc reliable for deburring, surface cleaning, and detail finishing work.

This disc is built for use on 300 Series stainless steel, brass, bronze, hard carbon steels, soft carbon steels, and titanium. It is compatible with handheld disc sanders using Power-Lock Type 1 quick-change systems, making it a practical choice for field work and shop use alike. The rigid polyester backing holds its shape under pressure, which supports consistent contact and finish quality when working on curved or flat metal surfaces.

Key Features

• 180 grit aluminum oxide abrasive rated Very Fine for deburring, cleaning, and detailing
• X-weight 2-ply polyester backing provides rigidity and extended disc life
• Power-Lock Type 1 quick-change attachment for fast disc swaps on handheld sanders
• Maximum operating speed of 20,000 RPM
• Suitable for use on stainless steel, brass, bronze, soft and hard carbon steels, and titanium
• R766 Series construction with coating applied over abrasive layer for faster cut rate

Compatibility

Compatible with handheld disc sanders equipped with Power-Lock Type 1 quick-change attachment systems. Rated for use on 300 Series stainless steel, brass, bronze, hard carbon steels, soft carbon steels, and titanium.

Installation Notes

This disc is installed by trade professionals and fabricators using compatible handheld disc sanders. Before mounting, confirm the sander spindle accepts Power-Lock Type 1 quick-change fittings and that the tool is powered off and unplugged. Do not exceed the 20,000 RPM maximum rating. Inspect the disc for damage before each use and replace immediately if cracking, fraying, or separation of the backing is observed.