S-94705A743 5/8"-11 x 1 3/4" ASTM A193 Steel Heavy Hex Head Screws for High-Pressure Applications

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with 125,000 psi tensile strength for reliable performance in high-stress applications
• Superior corrosion and wear resistance from ASTM Grade B7 steel and Rockwell C35 hardness for extended service life
• Easy installation and removal with external hex drive design providing secure tool engagement
• Optimal thread engagement through Class 2A fit UNC coarse threading ensuring vibration resistance
• Full-length thread coverage enabling consistent clamping force across the entire 1 3/4" length
• Industry-standard compliance meeting ASTM A193 specifications for quality assurance
• Right-hand thread orientation for standard assembly procedures and compatibility

Professional Applications & Engineering Value

Engineered for demanding industrial environments, these 5/8"-11 UNC hex head screws deliver critical performance where failure is not an option. The ASTM Grade B7 steel construction provides exceptional strength-to-weight ratio, making them ideal for pressure vessels, valve systems, and structural applications requiring 125,000 psi tensile strength. The coarse UNC threading with Class 2A fit ensures rapid assembly while maintaining vibration resistance in high-temperature and high-pressure scenarios. The fully threaded design distributes clamping force evenly, preventing stress concentration points that can lead to joint failure. These industrial hex screws solve critical fastening challenges in petrochemical, power generation, and heavy machinery applications where reliability under extreme conditions is paramount.

Specification Summary & Compliance

Manufactured to precise inch system measurements with Class 2A thread fit tolerance for optimal engagement. Complies with ASTM A193 specification for high-temperature service and meets industry standards for UNC coarse threading (5/8"-11). Features right-hand thread direction and fully threaded configuration. The external hex drive (1 1/16" width) ensures compatibility with standard industrial tools. Material certification and traceability available upon request.