Walter 3/4 Inch Zinc Plated Square Key Stock

Walter 48H475: Premium 3/4" Square Key Stock

The Walter 48H475 Key Steel is an essential component for any welder, machinist, or millwright involved in equipment maintenance. This 3/4-inch by 3/4-inch square bar is engineered to meet the rigorous demands of industrial power transmission. Sourced from high-grade C1018 carbon steel, it offers excellent tensile strength and machinability, making it the ideal material for fabricating replacement machine keys for motors, pumps, generators, and heavy equipment.

Standard steel stock often suffers from oxidation and surface rust when stored in humid shop environments. Walter solves this issue by applying a durable zinc plating to every bar. This finish not only improves the aesthetic appearance but, more importantly, prevents corrosion that could compromise the fit or integrity of the key. Each bar is clearly marked with its dimensions, allowing technicians to quickly identify the correct stock size without reaching for calipers, saving valuable time during critical breakdowns.

Engineered for Interference Fits

Precision is paramount in rotating machinery. A loose key can cause catastrophic failure of a shaft or hub. Walter Key Steel is manufactured with an oversized tolerance. This means the dimensions are slightly larger than the nominal 3/4 inch, designed to provide a snug, interference fit into standard keyways. This tightness ensures efficient torque transfer and prevents the key from rocking or shearing under load. It minimizes the need for filing while ensuring the mechanical connection remains solid.

Technical Specifications

• Material: Cold Drawn C1018 Carbon Steel
• Dimensions: 3/4" x 3/4" x 12"
• Finish: Zinc Plated (Corrosion Resistant)
• Tolerance: Oversized for tight fit

Whether you are rebuilding a welding positioner, repairing a wire feeder drive roll system, or maintaining shop compressors, the Walter 48H475 Key Steel delivers the consistency and quality required for professional results. Its robust construction and thoughtful features like corrosion resistance and size marking set it apart from generic bar stock.