Gibraltar HEP3559-G Straight Ejector Pin 7/64 in Steel

Product Description

The GIBRALTAR HEP3559-G is a straight ejector pin used in injection mold tooling to push finished parts out of mold cavities at the end of each cycle. Machined from steel with a nitride finish for surface hardness and wear resistance, this pin measures 7/64 inches in diameter with an overall length of 6 inches. The head diameter is 1/4 inch and the head height is 1/8 inch, with an active pin length of 5-7/8 inches. It is a standard component stocked by tool and die shops, mold maintenance technicians, and machine shops performing mold repair or new mold builds.

Straight ejector pins of this type are used in plastic injection molds, die casting tooling, and precision stamping dies in both production and prototype environments. This pin is suited for applications requiring a 7/64-inch bore in the ejector plate and retainer. Its nitride surface treatment helps resist galling and extends service life under repetitive cycling conditions common in high-volume mold operations.

Key Features

• Straight ejector pin profile for standard mold ejection applications
• Pin diameter of 7/64 inches for precise fit in matching ejector bushings or bores
• Overall length of 6 inches with an active pin length of 5-7/8 inches
• 1/4-inch head diameter and 1/8-inch head height for retention in ejector plates
• Steel construction with nitride finish for hardness and wear resistance

Compatibility

Designed as a standard straight ejector pin replacement for injection molds, die cast tooling, and stamping dies requiring a 7/64-inch pin diameter and 6-inch overall length.

Installation Notes

Ejector pins are installed and serviced by tool and die technicians or mold maintenance personnel. The mold must be fully de-energized and the injection molding machine locked out and tagged out before ejector pin access or replacement. Pins should be inspected for straightness before installation and seated fully in the ejector retainer plate to the correct head depth. Verify bore condition and alignment in the ejector plate before inserting the replacement pin.