B7 Hardened Threaded Rod, 5/8-11X36”

B7 Hardened Threaded Rod, 5/8-11X36”

The 29084 B7 Hardened Threaded Rod is a high-strength alloy steel rod built for high temperature and high pressure service in demanding industrial applications. Made from 4140/4142 alloy steel with 5/8"-11 national coarse (USS) threads and a 36" length, it’s intended for critical bolting in valves, flanges, and fittings commonly used in chemical and petroleum construction—because “close enough” and “high pressure” should never be in the same sentence.

Country of Origin
Made in the U.S.A.

Key Features / Specifications

• Model / Part Number: 29084
• Product Type: B7 hardened threaded rod
• Material: 4140/4142 alloy steel
• Thread Size: 5/8"-11 National Coarse (USS)
• Length: 36 in
• Intended Service: High temperature / high pressure
• Primary Applications: Valves, flanges, and fittings in chemical and petroleum construction
• Corrosion Note: Will rust if exposed unprotected to weather elements
• Manufacturing Note: Domestically manufactured from domestic material
• Mechanical Requirements (2-1/2" diameter and under):
  • Tensile Strength (Min): 125,000 psi
  • Yield Strength (Min, 0.2% offset): 105,000 psi
  • Elongation in 4D (Min): 16%
  • Reduction of Area (Min): 50%
  • Hardness (Max): 321 HB

Ideal For

• Industrial bolting where B7 strength is required
• High pressure / high temperature valve, flange, and fitting assemblies
• Chemical and petroleum construction jobs that demand reliable mechanical performance
• Fabrication and maintenance teams needing consistent coarse-thread hardware
• Anyone who wants their fastener choice to be boringly dependable under pressure