Associated Spring Raymond 204-304 Die Spring 1 in Blue

Product Description

The ASSOCIATED SPRING RAYMOND 204-304 is a heavy-duty die spring designed for use in stamping dies, molds, and press tooling. Built from chromium alloy steel with a trapezoidal wire shape, it delivers a consistent spring rate of 282.08 N/mm across its travel range. The blue color coding indicates its load category per ISO 10243, allowing technicians to quickly identify and match springs during die maintenance. With a free length of 1 inch (25 mm) and a hole diameter of 16 mm, this spring fits standard die set bores and is installed by tool and die makers, press operators, and maintenance professionals working with stamping and forming equipment.

This die spring is suited for use in industrial punch and die assemblies, injection mold tooling, and automated press machinery where controlled compression force and reliable deflection are required. It is appropriate for both light manufacturing and high-cycle production tooling environments. The 8 mm rod diameter and 9.50 mm maximum deflection make it a practical selection for compact die sets with limited pocket depth. Maintenance technicians replacing worn or fatigued springs in existing tooling will find this spring dimensionally consistent with ISO 10243 standard die spring specifications.

Key Features

• Chromium alloy steel construction for high fatigue resistance in cyclic compression applications
• Trapezoidal wire cross-section provides higher load capacity relative to round-wire springs of the same envelope
• Blue color code identifies medium-load rating per ISO 10243 die spring classification
• 1 inch (25 mm) free length fits standard compact die spring pockets
• Maximum deflection load of 469.30 N at full 9.50 mm travel to solid
• Manufactured under ISO 9001:2008 and ISO/TS 16949:2009 certified quality systems with TUV Rheinland registration

Compatibility

Designed as a standard replacement die spring conforming to ISO 10243 specifications for blue-series springs with a 16 mm hole diameter and 8 mm rod diameter.

Installation Notes

Die springs are installed and replaced by tool and die makers or qualified maintenance technicians. Always de-energize and lock out the press before accessing the die set. Ensure the spring pocket depth and rod diameter match the spring dimensions before installation. Do not exceed the rated maximum deflection to avoid set or premature failure in high-cycle applications.