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The ASSOCIATED SPRING RAYMOND 205-204 is a heavy-duty die spring designed for use in stamping dies, molds, and industrial tooling applications. Built from chromium alloy steel with a trapezoidal wire cross-section, this spring delivers a spring rate of 240.40 N/mm and a maximum deflection load of 315.80 N. The red color coding indicates a medium-heavy load classification per ISO 10243 standards. It is installed by toolmakers, die setters, and maintenance technicians working in metal fabrication and manufacturing environments.
This die spring is suited for use in punch and die assemblies, injection molds, and progressive die tooling where consistent, repeatable spring force is required. The 1-inch free length and 12.50 mm hole diameter make it appropriate for compact tooling setups with limited cavity depth. Its trapezoidal wire profile allows for higher load capacity within a smaller physical envelope compared to round-wire springs of the same size.
Designed as a standard ISO 10243 die spring for use in tooling and die applications requiring a red-series spring with a 12.50 mm hole diameter, 6.30 mm rod diameter, and 25.00 mm free length.
Die springs are installed by qualified toolmakers or die maintenance technicians. Always ensure the mating rod diameter and hole diameter of the die set match the spring specifications before installation. De-energize and fully relieve any stored mechanical energy in the tooling before removing or replacing springs. Do not compress beyond the rated maximum deflection to avoid permanent set or premature failure.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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