S-92655A619 1/2"-13 x 5" 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 with 18-8 Stainless Steel construction, ideal for harsh environments and reducing maintenance costs
- High tensile strength of 75,000 psi ensures reliable load-bearing capacity and structural integrity in demanding applications
- Class 2A thread fit provides consistent, reliable assembly with standard nuts, minimizing the risk of cross-threading
- Partially threaded design with 1-1/4" thread length allows for precise clamping force control and secure fastening in specific grip ranges
- External hex drive and hex head enable easy installation and high torque application with common tools, speeding up assembly
- Coarse UNC threads offer quick installation and superior resistance to vibration loosening in industrial settings
- ASTM A193 and Grade B8 compliance guarantees material quality and performance consistency for critical engineering projects
Professional Applications & Engineering Value
Engineered for high-stress industrial applications, this 1/2"-13 UNC hex head screw in 18-8 Stainless Steel addresses common challenges like corrosion, vibration, and mechanical failure. The partially threaded configuration, with a 1-1/4" thread length and 3-3/4" grip length, ensures optimal stress distribution and prevents thread damage in assembled components. Its coarse thread design enhances resistance to loosening under dynamic loads, making it ideal for machinery, structural frames, and heavy equipment. With ASTM Grade B8 certification and 75,000 psi tensile strength, it delivers reliable performance in chemical processing, marine, and construction environments, reducing downtime and maintenance needs.
Specification Summary & Compliance
This screw adheres to Class 2A thread fit per UNC standards, ensuring precise dimensional accuracy. It meets ASTM A193 specifications for material and manufacturing, with compliance to ASTM Grade B8 for stainless steel fasteners. The product is manufactured under strict quality controls, supporting reliability in industrial use, and conforms to common industry regulations for safety and performance.
