48H368 - Walter 1/4-Inch Shank to 5/8-11 Thread Adapter Spindle

Maximize Tool Versatility with the Walter Arbor Spindle

In the fast-paced world of industrial maintenance and repair operations (MRO), versatility is key. The Walter 48H368 Arbor Spindle is a small but essential accessory designed to bridge the gap between different power tool standards. This precision-engineered adapter allows operators to mount abrasive accessories featuring a standard 5/8"-11 threaded hub onto tools equipped with a 1/4" collet or chuck, such as die grinders and electric power drills. By converting the mounting interface, this spindle opens up a wide range of finishing and grinding possibilities without the need for purchasing specialized power tools for every specific task.

Constructed from high-quality steel, the Walter 48H368 is built to withstand the torque and rotational forces associated with grinding and finishing applications. Its 1/4-inch shank is machined to strict tolerances, ensuring a secure grip in your tool's collet. This attention to detail minimizes runout and vibration, which is critical for maintaining surface finish quality and ensuring operator safety. Whether you are deburring a machined part, cleaning up a casting, or polishing a metal surface, this adapter ensures that your abrasive wheel spins true, providing consistent contact and extending the life of the consumable.

This accessory is particularly valuable for shops that utilize Walter's extensive line of surface finishing products, such as the "Two-in-One" flap wheels. Often, the geometry of a workpiece prevents the use of a bulky angle grinder. By using this arbor spindle, you can mount the same high-performance flap wheel onto a straight-shaft die grinder, allowing you to reach into pipes, channels, and tight corners that would otherwise be inaccessible. It is a simple, cost-effective solution that enhances the capability of your existing tool crib.

Key Applications

• Die Grinder Adaptation: Allows the use of 5/8"-11 hubbed wheels on pneumatic or electric die grinders.


• Drill Conversion: Enables standard power drills to drive threaded abrasive wheels for light-duty finishing.


• Tight Access Work: Facilitates the use of angle grinder abrasives in confined spaces where a right-angle tool cannot fit.


• Maintenance & Repair: Essential for MRO teams needing flexible tooling solutions on the go.