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The VALUE COLLECTION BD32415 is an unequal double threaded stud machined from Grade 5 steel in an uncoated finish. It features two different thread specifications on opposing ends — a 5/16-24 long-end thread and a 5/16-18 short-end thread — making it suited for fastening applications that require different thread pitches at each connection point. The overall length is 2 inches. The long-end thread measures 1 inch, the short-end thread measures 9/16 inch, and the unthreaded shank between them measures 3/8 inch. No flat is machined onto the shank. This stud is sold in a package quantity of 25.
Unequal double threaded studs like the BD32415 are used in mechanical, industrial, and trade assembly applications where two mating components require different thread engagements. Common install scenarios include equipment mounting, manifold attachment, and structural fastening in HVAC, plumbing, and general mechanical systems. The Grade 5 steel construction provides adequate tensile strength for standard fastening loads in both residential and light commercial applications.
Designed as a standard unequal double threaded stud for mechanical and trade fastening applications requiring 5/16-24 and 5/16-18 thread engagement on opposing ends.
Installation is typically performed by a millwright, mechanical contractor, or experienced technician using a stud driver or double-nut method. Ensure both mating threaded bores are clean and free of debris before installation. Apply thread-locking compound or anti-seize as required by the application and governing code. De-energize and depressurize any system before replacing or installing fasteners in live assemblies.
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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