48K421 - Walter M7x1 Replacement Hex Nut

Genuine Walter 48K421 Hex Nut M7X1

Maintain the integrity and safety of your industrial equipment with the Walter 48K421 Hex Nut M7X1. As a genuine replacement part manufactured by Walter Surface Technologies, this fastener is engineered to meet the exact specifications required for your Walter tools and abrasive assemblies. In the world of high-speed grinding and finishing, even the smallest components play a critical role in operator safety and tool performance. Using non-standard or mismatched hardware can lead to vibration, poor finish quality, or even dangerous accessory detachment.

The 48K421 features a precise M7 x 1.0 metric thread, a specific size often utilized in specialized mandrels, backing pads, and spindle assemblies within the Walter product ecosystem. Constructed from high-grade steel, this nut offers the tensile strength necessary to withstand the torque applied during installation and the centrifugal forces experienced during operation. Its durability ensures that it holds tight under vibration, reducing the need for constant re-tightening and minimizing downtime in your production line.

Whether you are replacing a lost nut or stocking up on essential spare parts for your maintenance, repair, and operations (MRO) inventory, this hex nut is an indispensable item. It is designed to fit seamlessly with compatible Walter arbors and mounting hardware, ensuring that your abrasive discs and wheels are centered and secured correctly. Trust in the quality of original manufacturer parts to keep your fabrication workflow smooth and safe.

Key Benefits

• Exact Fit: Guaranteed compatibility with Walter tools requiring M7x1 hardware.


• Safety First: Prevents accessory slippage during high-RPM usage.


• Durable Build: Resists stripping and wear better than generic alternatives.