Merit Abrasives 69957399640 Quick-change Disc 50 Grit

Product Description

The MERIT ABRASIVES 69957399640 is a 2-inch coated quick-change abrasive disc designed for use with Power-Lock Type S attachment systems on handheld disc sanders. It features aluminum oxide abrasive grain bonded to a Y-weight 2-ply polyester and cloth backing, rated for a maximum of 30,000 RPM. The rigid backing and coarse 50-grit cut rate make it effective for material removal, deburring, and surface cleaning on hard and soft metals. This disc is sold individually with a minimum order quantity of 100 units, making it a shop-floor consumable suited for production and maintenance environments.

This disc is built for trade use on handheld disc sanders in metal fabrication, welding prep, and finishing applications. It performs on 300 series stainless steel, brass, bronze, hard carbon steels, soft carbon steels, and titanium. The coarse 50-grit designation targets deburring, cleaning, and detailing tasks where aggressive material removal is needed without the step up to grinding wheels. The brown disc color and silver button correspond to the R766 series product family from Merit Abrasives.

Key Features

• 50-grit coarse aluminum oxide abrasive for aggressive deburring and surface cleaning
• Y-weight 2-ply polyester and cloth backing rated for rigid, high-load applications
• Power-Lock Type S quick-change attachment for tool-free disc swaps
• 30,000 RPM maximum speed rating for handheld disc sander use
• Compatible with 300 series stainless, brass, bronze, hard carbon steels, soft carbon steels, and titanium
• R766 series construction with additional coating for extended disc life and faster cut rate

Compatibility

Designed for use with handheld disc sanders equipped with a Power-Lock Type S quick-change mounting system. Rated for use on 300 series stainless steel, brass, bronze, hard carbon steels, soft carbon steels, and titanium workpieces.

Installation Notes

Installation and disc changes should be performed with the sander disconnected from power. Verify the spindle speed of the tool does not exceed the 30,000 RPM disc rating before use. Inspect the disc and backing for damage before mounting. Type S quick-change attachment requires a matching Power-Lock receptacle on the tool backing pad.