S-92790A659 7/8"-9 x 2 1/2" ASTM A193 Super-Corrosion-Resistant 316 Stainless Steel Heavy Hex Head Screws for High-Pressure Applications
Super-Corrosion-Resistant 316 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
- Superior corrosion resistance with 316 Stainless Steel construction for extended service life in harsh environments
- High tensile strength of 75,000 psi ensures reliable performance under extreme mechanical loads
- Coarse UNC threading provides faster installation and better resistance to vibration loosening
- External hex drive design allows for high torque application with standard tools
- Class 2A thread fit guarantees consistent assembly and interchangeability
- Partially threaded shank offers optimal clamping force distribution
- ASTM A193 Grade B8M compliance ensures material integrity for high-temperature applications
Professional Applications & Engineering Value
Engineered for demanding industrial applications, this 7/8"-9 UNC hex head screw addresses critical challenges in chemical processing, marine infrastructure, and heavy machinery. The 316 stainless steel composition provides exceptional resistance to chlorides and acidic environments, while the coarse thread configuration maintains secure fastening under constant vibration. The external hex drive enables high-torque installation without stripping, and the partially threaded design concentrates clamping force precisely where needed. With 75,000 psi tensile strength and Rockwell B96 hardness, this fastener delivers reliable performance in high-stress assemblies where corrosion resistance and mechanical integrity are paramount.
Specification Summary & Compliance
This hex head screw features precise Class 2A thread fit according to UNC standards with a thread diameter of 0.875" and 2" thread length. Manufacturing complies with ASTM A193 Grade B8M specifications, ensuring material quality and performance consistency. The fastener maintains dimensional accuracy with a total length of 2 1/2" and grip length of 1/2", providing reliable mechanical properties including the specified 75,000 psi tensile strength and Rockwell B96 hardness for industrial applications requiring certified components.
