S-92655A653 3/4"-10 x 4 1/4" ASTM A193 18-8 Stainless Steel Heavy Hex Head Screws for High-Pressure Applications
18-8 Stainless Steel Heavy Hex Head Screws for High-Pressure Applications
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Exceptional corrosion resistance from 18-8 stainless steel, ideal for harsh industrial environments.
- High tensile strength of 75,000 psi ensures reliable load-bearing capacity and joint integrity.
- Rockwell B100 hardness provides excellent durability and resistance to wear and deformation.
- Class 2A thread fit offers smooth assembly and consistent engagement for secure fastening.
- Coarse UNC threading enables quick installation and reduces cross-threading risks in heavy-duty applications.
- External hex drive design allows for high torque application with standard tools, speeding up maintenance.
- Partially threaded shank concentrates clamping force where needed, improving structural stability.
Professional Applications & Engineering Value
Engineered for demanding industrial settings, this 3/4"-10 UNC hex head screw combines 18-8 stainless steel with ASTM A193 Grade B8 certification to address critical challenges like corrosion, vibration, and high stress. The coarse thread design ensures rapid installation in structural assemblies, piping systems, and heavy machinery, while the external hex drive facilitates secure tightening with common wrenches. Its partially threaded configuration minimizes thread damage in high-clamp zones, enhancing reliability in applications such as pressure vessels, construction frameworks, and marine equipment where corrosion-resistant fasteners are essential for long-term performance.
Specification Summary & Compliance
This screw adheres to UNC coarse thread standards with a Class 2A thread fit for precise dimensional accuracy. It meets ASTM A193 Grade B8 specifications, ensuring material consistency and mechanical properties, including tensile strength and hardness. The product complies with industry regulations for material composition and is suitable for applications requiring robust, corrosion-resistant fastening solutions.
