Dayton Lamina 9-1606-21 Die Spring Blue Medium-duty

Product Description

The DAYTON LAMINA 9-1606-21 is a medium-duty die spring engineered for use in stamping dies, molds, and precision tooling applications. Constructed from chromium-vanadium steel, it delivers consistent force and fatigue resistance across repeated compression cycles. The spring features a 1-inch hole diameter, a 1/2-inch rod diameter, and a 1-1/2-inch free length. At maximum deflection of 0.56 inches, it generates a load of 316 pounds. The D-shaped wire profile maximizes cross-sectional area within the bore, increasing load capacity compared to round-wire springs of equivalent size. This part is typically installed by toolmakers, die setters, and maintenance technicians in industrial manufacturing environments.

This die spring is suited for medium-duty press tool and die applications where controlled, repeatable spring force is required. It is color-coded blue to indicate its medium-duty load rating, which simplifies identification and replacement in multi-spring tooling setups. Typical use cases include stripper plates, pressure pads, and core return mechanisms in progressive and compound dies used in automotive, metal fabrication, and general manufacturing operations.

Key Features

• Chromium-vanadium steel construction for high fatigue life and consistent load performance
• D-shaped wire profile maximizes load capacity within the bore diameter
• Blue color coding identifies medium-duty load rating at a glance
• Maximum deflection load of 316 pounds at 0.56 inches deflection
• Maximum operating deflection of 37.50 percent of free length
• Meets ISO 10243, ISO 9001:2015, and NAAMS standards

Compatibility

Designed as an OEM-style replacement or direct-fit die spring for medium-duty stamping dies, molds, and press tooling that accept a 1-inch bore diameter and 1/2-inch guide rod.

Installation Notes

Die springs should be installed by qualified toolmakers or die maintenance technicians familiar with press tooling safety procedures. Always de-energize and lock out the press before performing any die or spring service. Ensure the guide rod and bore are free of burrs and debris before seating the spring to prevent uneven loading or premature wear. Do not compress the spring beyond its rated maximum deflection, as exceeding travel-to-solid limits can cause permanent set or fracture.