Tru-maxx 69957323759 Quick-change Disc 3 in 40 Grit

Product Description

The TRU-MAXX 69957323759 is a coated quick-change abrasive disc designed for aggressive material removal on metal surfaces. At 3 inches in diameter with a 40-grit coarse rating, it removes weld spatter, rust, mill scale, and surface contaminants efficiently. The disc uses a zirconia alumina abrasive mineral bonded to a cloth backing with a Y-weight designation, which delivers durability under high-pressure grinding. A Type R attaching system allows fast disc changes without tools. Rated to 20,000 RPM, this disc suits angle grinders and die grinders fitted with a compatible Type R mandrel. It is sold individually but requires a minimum order of 50 units per purchase.

This disc is suited for metal fabrication, welding prep, and surface conditioning work in industrial and trade environments. Typical applications include weld blending on structural steel, deburring pipe ends, and surface prep before coating or inspection. The coarse 40-grit cut rate makes it appropriate for stock removal rather than finish work. Metalworkers, pipefitters, ironworkers, and maintenance technicians commonly use this disc size for tight-radius work where a larger disc is impractical.

Key Features

• 3-inch diameter fits compact angle grinders and die grinders with Type R mandrels
• 40-grit coarse zirconia alumina abrasive for fast stock removal
• Cloth backing with Y-weight construction resists tearing under load
• Type R quick-change attachment system enables tool-free disc swaps
• 20,000 RPM maximum speed rating supports high-speed grinder use
• Blue disc color for easy grit identification in multi-grit setups

Compatibility

Designed for use with Type R quick-change mandrels on pneumatic or electric angle grinders and die grinders accepting 3-inch quick-change abrasive discs.

Installation Notes

Installation and disc changes must be performed with the grinder powered off and disconnected from its air or electrical supply. Verify the grinder spindle accepts a Type R mandrel before mounting. Always confirm the tool RPM rating does not exceed the 20,000 RPM disc limit before operation. Operators should wear appropriate eye and face protection per ANSI Z87.1 standards when grinding.