Dan-loc Bolt Gasket 000-04-040 Fully Threaded Stud

Product Description

The DAN-LOC BOLT GASKET 000-04-040 is a fully threaded stud machined from Grade B7 alloy steel with an uncoated plain finish. It carries a 1/2-13 UNC thread form across its entire 4-inch overall length, providing consistent thread engagement from end to end. Because there is no unthreaded shank, this stud works well in applications where maximum grip length and adjustable nut positioning are required. Licensed tradespeople in HVAC, mechanical piping, and industrial maintenance regularly use B7 alloy studs in high-strength fastening assemblies, flanged connections, and equipment mounting situations where standard carbon steel fasteners would not meet load or temperature requirements.

This stud is suited for use in both residential and commercial mechanical systems where bolted connections require a high-strength, fully threaded fastener. Typical applications include flanged pipe joints, equipment base plates, heat exchanger assemblies, and structural mounting applications that call for Grade B7 material. The 1/2-13 thread size is a common coarse-thread specification used across HVAC equipment frames, pump housings, and compressor mounting hardware. Installers in plumbing, HVAC, and general mechanical trades will find this stud compatible with standard 1/2-13 hex nuts and washers.

Key Features

• Fully threaded along entire 4-inch length for maximum nut positioning flexibility
• Grade B7 alloy steel construction for high tensile strength and elevated temperature resistance
• 1/2-13 UNC coarse thread for broad compatibility with standard hardware
• Uncoated plain finish suitable for use with thread compounds or coatings applied in the field
• Lightweight at 0.32 pounds, easy to handle and stage during installation

Compatibility

Designed as a standard fully threaded stud replacement for applications requiring a 1/2-13 thread, 4-inch overall length, Grade B7 alloy steel fastener in flanged, bolted, or equipment-mounting assemblies.

Installation Notes

Installation is typically performed by licensed HVAC technicians, pipefitters, plumbers, or mechanical contractors. Always de-energize and depressurize the associated system before replacing or installing studs in flanged or pressure-bearing connections. Use calibrated torque tools and follow applicable torque specifications from the equipment manufacturer or governing codes such as ASME B16.5 for flanged joints. Apply thread lubricant or anti-seize compound as required by the assembly specification to prevent galling on alloy steel threads.