Gibraltar DCIL25-178 Die Spring 7 in Light-duty Green

Product Description

The GIBRALTAR DCIL25-178 is a light-duty die spring designed for use in press tooling, stamping dies, and industrial punch-and-die assemblies. It features a 1 inch hole diameter, a 0.5 inch rod diameter, and a 7 inch free length. The trapezoidal wire cross-section increases the active coil contact area compared to round wire, delivering more consistent force output over the spring's travel. Built from chromium alloy steel, this spring resists fatigue and deformation under repeated cycling. It is color-coded green to indicate light-duty classification, following standard die spring identification conventions used across the tooling industry.

This spring is suited for light-duty tooling applications in stamping, forming, and die-set assemblies where controlled, repeatable force is required over a moderate travel range. It fits standard die sets accepting a 1 inch bore and a 0.5 inch guide rod. Typical installers include tool-and-die makers, press maintenance technicians, and industrial maintenance mechanics working in manufacturing environments. The green color coding makes it straightforward to identify and replace within multi-spring assemblies during scheduled die maintenance.

Key Features

• Light-duty classification with a maximum deflection load of 252 pounds
• Maximum deflection of 3.75 inches, giving a compressed solid length of 3.75 inches
• Spring rate of 67 pounds per inch for predictable, linear force output
• Trapezoidal wire shape increases coil density and fatigue life versus round wire designs
• Chromium alloy steel construction for durability under repeated press cycling
• Green color coding follows industry-standard die spring duty identification
• Meets NAAMS, ISO 10243, and ISO 9001:2015 standards

Compatibility

Designed as a standard replacement die spring for light-duty tooling applications requiring a 1 inch hole diameter and 0.5 inch rod diameter with a 7 inch free length, conforming to NAAMS and ISO 10243 dimensional standards.

Installation Notes

Die spring replacement is performed by qualified tool-and-die technicians or industrial maintenance mechanics. Always relieve all press tonnage and de-energize the press before disassembling the die set. Ensure the guide rod and bore surfaces are clean and within tolerance before seating the replacement spring. Do not compress the spring beyond its rated maximum deflection, as over-travel will cause permanent set and premature failure.