Merit Abrasives 63642505646 Quick-change Disc Tr 36 Grit

Product Description

The MERIT ABRASIVES 63642505646 is a TR-style quick-change abrasive disc designed for aggressive material removal on metal and other hard surfaces. It measures 2 inches in diameter and features 36-grit aluminum oxide abrasive on a cloth backing rated X-weight, delivering very coarse cutting action suited for weld grinding, rust removal, and surface preparation. The Type R attaching system allows fast disc swaps without tools. Rated at 30000 RPM maximum, it is intended for use with compatible right-angle die grinders and air tools on the shop floor or in the field. Fabricators, pipefitters, and sheet metal workers are the primary users of this disc type.

This disc is a standard fit for trade and industrial applications where rapid stock removal is required before finishing passes. The coated aluminum oxide construction performs well on ferrous metals, structural steel, and weld beads. The cloth backing provides flexibility and durability under load, resisting tearing during edge work or contoured surface grinding. It is sold individually but requires a minimum order of 25 units, making it suited for shop stocking rather than single-use purchasing.

Key Features

• 36-grit very coarse aluminum oxide for aggressive stock removal
• TR Type R quick-change attaching system for tool-free disc swaps
• X-weight cloth backing for durability and flexibility under load
• 30000 RPM maximum speed rating for high-speed die grinder use
• 2-inch diameter suits compact right-angle grinders and tight-access work
• Brown coated construction with black button for standard TR compatibility

Compatibility

Designed for use with TR and Type R quick-change disc holders and right-angle die grinders that accept 2-inch quick-change discs. Verify that the tool spindle speed does not exceed the 30000 RPM disc rating before mounting.

Installation Notes

Installation is performed by the tool operator and requires a compatible TR or Type R mandrel mounted in a die grinder or right-angle grinder. Ensure the tool is disconnected from air supply or power before changing discs. Inspect the disc for cracks or damage before each use and never exceed the 30000 RPM maximum speed rating. Eye protection and appropriate PPE are required during grinding operations per standard shop safety practices.