Gibraltar BW8609-G Die Mold Sprue Bushing Series B

Product Description

The GIBRALTAR BW8609-G is a Series B die mold sprue bushing machined from steel for use in injection mold and die casting tooling applications. It features a 1-inch shank diameter with a 1-13/32-inch shank length, a 2-inch head diameter, and an overall length of 2-9/32 inches. The 5/32-inch hole diameter and 3/16-inch cavity depth are sized for precise sprue gate control. Weighing 0.94 pounds, this bushing is built for dimensional stability under repeated press cycles. Mold makers and tooling technicians are the primary installers of this component.

This sprue bushing is suited for injection molding and die casting mold assemblies where a Series B interface is required. The 1/2-inch corner radius and 7/8-inch head height accommodate standard mold base configurations. It is appropriate for both prototype tooling and production mold sets operating in shop environments that require repeatable gate geometry and reliable thermal performance across high-cycle runs.

Key Features

• Steel construction for durability under high-cycle injection molding conditions
• 1-inch shank diameter with 1-13/32-inch shank length for positive mold base retention
• 2-inch head diameter and 7/8-inch head height for standard Series B mold base fitment
• 5/32-inch hole diameter and 3/16-inch cavity depth for controlled sprue gate geometry
• 1/2-inch corner radius reduces stress concentration at the gate interface
• Compact overall length of 2-9/32 inches suits tight mold stack configurations

Compatibility

Designed as an OEM-style replacement or direct-install component for Series B die mold sprue bushing applications in standard injection mold and die casting mold bases.

Installation Notes

Installation is performed by qualified mold makers or tooling technicians. Ensure the mold base is fully de-energized, depressurized, and at a safe handling temperature before removing or seating any bushing. The bushing bore and mold plate must be clean and free of burrs before press-fitting to prevent misalignment. Follow the tooling manufacturer's specifications and applicable shop safety procedures when handling press-fit components.