Gibraltar 40503G Equal Double Threaded Stud 3/8-16 2.5in Oal

Product Description

The GIBRALTAR 40503G is an equal double threaded stud with a 3/8-16 thread size and an overall length of 2.5 inches. This fastener features the same thread specification on both ends, making it well suited for through-bolting applications, standoffs, and assemblies where a bolt head would interfere with the installation. Constructed from alloy steel with a black oxide finish, the 40503G carries a material grade of 5 and a thread fit class of 50. Trade professionals in HVAC, plumbing, electrical, and general mechanical work rely on double threaded studs like this for equipment mounting, bracket fabrication, and panel assembly tasks.

This stud is appropriate for use in light industrial, commercial, and residential trade applications where a standard 3/8-16 UNC thread pattern is required. The equal-end configuration allows the stud to engage two mating components simultaneously, which is common in equipment base mounting, vibration isolator assemblies, and structural bracketing. The black oxide finish provides mild corrosion resistance and is suitable for indoor and protected outdoor environments. Installation is typically performed by HVAC technicians, pipefitters, electricians, or mechanical contractors.

Key Features

• Equal double threaded ends — same 3/8-16 thread on both sides for symmetrical engagement
• Alloy steel construction with material grade 5 for reliable tensile strength
• Black oxide finish for mild corrosion resistance and reduced light reflection
• Thread fit class 50 for consistent, controlled thread engagement
• Compact 2.5-inch overall length suits tight clearance applications
• No flat — designed for installation with a stud driver or thread-locking method

Compatibility

Designed as an OEM-style replacement or stock fastener for any assembly requiring a 3/8-16 UNC equal double threaded stud at 2.5 inches overall length.

Installation Notes

Double threaded studs are installed by threading one end into a tapped hole or coupling nut before securing the mating component on the exposed end. De-energize and lock out any equipment before performing fastener replacement or assembly work per applicable safety codes. Use a stud installation tool or two jam nuts to drive the stud without damaging the threads. Verify thread engagement depth meets the requirements of the assembly design before torquing the mating hardware.