Norton 66623353306 Merit Resin Fiber Disc 36 Grit 4-1/2" x 7/8" Aluminum Oxide

The Norton 66623353306 Merit FX370 resin fiber disc delivers aggressive cutting performance for heavy-duty grinding and surface preparation applications. Constructed with premium aluminum oxide abrasive, this disc provides consistent material removal on ferrous metals, non-ferrous metals, and other materials.

Key Features:

• Premium aluminum oxide grain for long-lasting performance and efficient stock removal
• Resin-over-resin bonding system provides durability under high-pressure grinding conditions
• 36 grit provides aggressive cutting action for heavy material removal and weld grinding
• 4-1/2 inch diameter with 7/8 inch center arbor hole fits standard angle grinders
• Fiber backing delivers strength and tear resistance during demanding operations
• Packaged 25 discs per box for extended use

This disc is ideal for weld blending, edge chamfering, deburring, and general metal fabrication work. The FX370 series is designed for professional metalworking applications where productivity and disc life are critical. Replaces Norton part number 66261133517.