S-92655A697 1"-8 x 3 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 construction, ideal for harsh industrial environments
- High tensile strength of 75,000 PSI ensures reliable performance in demanding structural applications
- Precision Class 2A thread fit guarantees smooth assembly and consistent clamping force
- Coarse UNC threading provides faster installation and superior resistance to vibration loosening
- Partially threaded design with 1" grip length offers optimal shear strength and controlled clamping
- External hex drive with 1 5/8" head width delivers maximum torque transmission and tool accessibility
- ASTM A193 Grade B8 certification ensures material integrity and compliance with industrial standards
Professional Applications & Engineering Value
Engineered for critical applications where corrosion resistance and structural integrity are paramount, this 1"-8 UNC hex head screw delivers exceptional performance in chemical processing, marine equipment, and heavy construction. The 18-8 stainless steel composition provides lasting protection against rust and chemical degradation, while the coarse thread design maintains secure fastening under vibration and dynamic loads. With 75,000 PSI tensile strength and Rockwell B96 hardness, this partially threaded fastener offers superior shear strength for structural connections, flange assemblies, and pressure vessel applications. The external hex drive ensures reliable torque application in confined spaces, making it ideal for maintenance and OEM equipment requiring ASTM A193 Grade B8 compliance.
Specification Summary & Compliance
This hex head screw features precision Class 2A thread fit with 1"-8 UNC coarse threading and 2 1/4" thread length. Manufactured to ASTM A193 Grade B8 specifications with Rockwell B96 hardness and 75,000 PSI tensile strength. The fastener meets ASTM standards for material composition and mechanical properties, ensuring consistent performance in industrial applications. Dimensions include 3 1/4" length, 1 5/8" head width, and 1" grip length in inch system measurements.
