15R604 - Walter Enduro-Flex 6-Inch Grit 40 Flap Disc with 5/8-11 Hub

High-Performance One-Step Finishing

The Walter 15R604 6" GR40 ENDURO-FLEX™ Blending Disc is engineered to surpass the rigorous demands of the metal fabricating and finishing industry. This premium abrasive tool represents a significant leap in flap disc technology, combining aggressive material removal with a refined finish in a single step. At the core of its performance is an ultra-sharp, refined zirconium grain structure that maintains its cutting edge far longer than conventional abrasives. This allows operators to remove heavy weld seams and blend surfaces efficiently without frequent disc changes.

Eco-Trim™ Technology

One of the standout features of the Enduro-Flex series is the patented Eco-Trim™ trimmable backing. Standard flap discs are often discarded once the flap overhang wears down, wasting a significant portion of the abrasive material located closer to the center. The Enduro-Flex backing is made from a special polymer that can be easily trimmed away using a sharp metal edge or a cutting tool, exposing fresh, unused abrasive flaps. This innovative design extends the usable life of the disc by up to three times, providing exceptional value and reducing overall consumable costs.

Cool and Vibration-Free Operation

Heat buildup is a common enemy in grinding applications, often leading to glazing of the disc or discoloration of the workpiece. The 15R604 addresses this with a specialized top coat that actively cools and lubricates the contact zone during operation. This ensures smooth, vibration-free grinding and sanding from start to finish. The raised hub design accommodates all standard grinder back flanges, and the integral 5/8"-11 thread ensures a secure, spin-on connection that improves safety and reduces changeover time. Whether working on steel or stainless steel, this disc delivers consistent, high-quality results.