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The VALUE COLLECTION 49077 is a 5/8-11 hex head bolt with a 2-3/4 inch length under head, manufactured from alloy steel to Grade B7 specifications and certified to ASTM A193. It is supplied uncoated and is intended for high-strength bolting applications in industrial, mechanical, and structural installations. Grade B7 alloy steel delivers elevated tensile strength compared to standard fastener grades, making this bolt appropriate for demanding service environments including pressure vessel assemblies, piping flanges, and heavy equipment connections. Tradespeople and industrial maintenance personnel are the typical installers.
This bolt is suited for use in applications where ASTM A193 compliance is required, particularly in piping systems, flanged joints, and structural assemblies subject to elevated stress or temperature. The 5/8-11 UNC thread is a standard coarse-thread configuration compatible with mating nuts and threaded components specified to the same thread standard. It is commonly specified by plumbers, pipefitters, millwrights, and industrial maintenance technicians working to code-required fastener standards.
Designed as an ASTM A193 Grade B7 compliant fastener for use with 5/8-11 UNC threaded nuts and components in industrial piping, flanged connections, and structural bolting assemblies.
Installation should be performed by a qualified pipefitter, millwright, or licensed tradesperson familiar with ASTM fastener standards and applicable codes such as ASME B31.3 or IFGC where relevant. Verify mating nut grade and thread specification before installation. Follow the torque requirements specified in the engineering or code documentation for the application - do not apply generic torque values to high-strength fasteners. Always inspect threads for damage before 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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