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The GIBRALTAR 40712G is an equal double threaded stud with a 1/2-13 thread size and a 7-inch overall length. Double-ended studs like this one provide threaded engagement on both ends, eliminating the need for a bolt head in applications where access is limited or a flush, headless fastener is required. This stud is manufactured from alloy steel with a black oxide finish and meets Grade 5 and Thread Fit Class 50 specifications. The flat feature confirms this part includes a wrench flat for installation torque. Electricians, HVAC technicians, plumbers, and general mechanical trades use studs of this type in equipment mounting, panel assembly, and structural fastening applications.
This stud is suited for use in equipment panels, mechanical assemblies, HVAC unit mounting, plumbing fixture support, and electrical enclosure hardware. The 1/2-13 thread is a standard coarse-thread UNC profile, widely used in trade and industrial applications. The black oxide finish provides mild corrosion resistance and reduces light reflection in service environments. The equal-length threaded ends make this stud interchangeable from either side, useful in symmetric clamping or through-bolt applications.
Designed as a standard 1/2-13 UNC equal double threaded stud suitable for general mechanical, HVAC, plumbing, and electrical equipment assembly applications where a Grade 5 alloy steel fastener is specified.
Install using an appropriately sized open-end or adjustable wrench on the wrench flat. De-energize and lock out any equipment before installing or removing studs in electrical or mechanical assemblies. Apply thread lubricant or anti-seize compound as required by the application to prevent galling on alloy steel threads. Follow applicable mechanical codes and equipment manufacturer torque guidance for the specific assembly.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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I am a diy trying to repair my cars’ head bolt that stripped out the M12x1.75 by 6-3/4” long. It’s the effortless way for me so that I didn’t have to deal with a helix oil type expense. The threads really held nicely
But I’ve got valves to replace in the head itself before I can put the 15mm nut to the test solving my problems and continue on to keep on this time MAYBE
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