S-94705A742 5/8"-11 x 1 1/2" ASTM A193 Steel Heavy Hex Head Screws for High-Pressure Applications

Key Features & Benefits at a Glance

• Exceptional tensile strength of 125,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
• High hardness rating (Rockwell C35) provides superior wear resistance and durability, extending service life in demanding environments.
• Fully threaded coarse UNC pattern allows for faster installation and greater holding power in a wide range of materials.
• Precise Class 2A thread fit guarantees smooth assembly and consistent clamping force, minimizing production delays.
• Heavy-duty ASTM Grade B7 steel construction offers excellent resistance to corrosion and high temperatures, ideal for industrial settings.
• External hex drive design enables easy tightening with standard tools, improving installation efficiency and reducing labor costs.
• Compliance with ASTM A193 specifications ensures material quality and reliability, meeting strict industry standards for safety.

Professional Applications & Engineering Value

This 5/8"-11 UNC Grade B7 steel hex head screw is engineered to address critical challenges in heavy-duty industrial applications, such as pressure vessels, valve systems, and structural assemblies. The use of ASTM Grade B7 steel provides high tensile strength and hardness, which prevents deformation under extreme loads and thermal cycling. The coarse UNC thread and fully threaded design ensure maximum grip and vibration resistance, reducing maintenance needs in machinery and equipment. With a Rockwell C35 hardness and 125,000 psi tensile strength, it delivers long-term reliability in corrosive or high-temperature environments, supporting efficient operations and minimizing downtime for B2B clients in construction, oil and gas, and manufacturing sectors.

Specification Summary & Compliance

This fastener adheres to Class 2A thread fit for consistent dimensional accuracy and smooth assembly. It meets ASTM A193 specifications for material quality and performance, ensuring compliance with industrial standards. The UNC coarse thread and right-hand thread direction are manufactured to precise tolerances, supporting reliable use in various applications. Additionally, the product aligns with common regulatory requirements for industrial fasteners, such as RoHS and REACH, where applicable, providing assurance of safety and environmental responsibility.