3M 7000000551 Quick-change Disc 80 Grit Ceramic 2 in

Product Description

The 3M 7000000551 is a ceramic-abrasive quick-change disc engineered for high-speed material removal on metal and other hard surfaces. Part of the 3M 777F Series, it features a coated ceramic abrasive grain bonded to a polyester cloth backing with a YF backing weight, providing durability and cut consistency under demanding conditions. The disc attaches via the Roloc TR Type R system, allowing single-handed mounting and release without tools. Rated to 25,000 RPM, it is built for use with compatible right-angle grinders and disc pads. At 80 grit, it falls in the medium grade range, making it well suited for weld blending, surface prep, and rust or scale removal.

This disc is intended for use in fabrication shops, maintenance and repair operations, and field metalworking applications. The Roloc TR quick-change platform is common in production environments where disc changes must be fast and frequent. The 2-inch diameter suits tight-clearance work and use with smaller disc pads. Licensed trades including pipefitters, ironworkers, HVAC sheet metal techs, and general fabricators will recognize this form factor. It is sold individually, but the minimum order quantity is 50 units per order.

Key Features

• Ceramic abrasive grain delivers aggressive, consistent cut on ferrous and non-ferrous metals
• Roloc TR Type R attaching system enables fast single-handed disc changes
• Rated to 25,000 RPM for high-speed grinder compatibility
• Polyester cloth backing with YF weight resists tearing and flexing under load
• 80 grit medium grade suited for weld blending, surface prep, and scale removal
• 2-inch diameter designed for tight-clearance and small-pad applications

Compatibility

Compatible with Roloc TR Type R quick-change disc pads and right-angle die grinders accepting the Type R attaching system.

Installation Notes

Installation and disc changes must be performed with the grinder powered off and disconnected from the power source. Verify the grinder and disc pad are both rated to meet or exceed the 25,000 RPM maximum disc speed before mounting. Inspect the disc and pad for damage before each use and do not use a disc that shows cracking, fraying, or delamination. Follow applicable ANSI B11 and OSHA 1910.215 safety standards for abrasive wheel use.