S-92800A306 7/8"-9 x 8 1/2" 18-8 Stainless Steel Hex Head Screws
18-8 Stainless Steel Hex Head Screws
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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 industrial environments
- High tensile strength of 80,000 PSI ensures reliable performance under heavy loads and vibration
- Class 2A thread fit provides consistent assembly with standard nuts and threaded components
- Coarse UNC threading enables faster installation and reduced cross-threading risks
- External hex drive design allows for high-torque application with common tools
- Partial threading optimizes grip range while maintaining unthreaded shank strength
- Full environmental compliance with RoHS 3 and REACH standards for global manufacturing applications
Professional Applications & Engineering Value
This 7/8"-9 UNC hex head screw delivers critical performance advantages for demanding industrial applications. The 18-8 Stainless Steel composition provides superior corrosion resistance, making it ideal for chemical processing, marine environments, and outdoor installations where moisture exposure is a concern. The coarse thread design ensures rapid assembly in structural steel, heavy machinery, and construction projects, while the Class 2A thread fit maintains precise tolerances for consistent mating with standard components. With 80,000 PSI tensile strength and Rockwell B70 hardness, this fastener withstands extreme mechanical stress and vibration, preventing joint failure in critical connections. The partial threading configuration provides optimal clamping force distribution, making it particularly valuable for applications requiring precise grip length control.
Specification Summary & Compliance
This hex head screw features 7/8"-9 UNC coarse threads with Class 2A thread fit tolerance, ensuring interchangeability with standard components. The fastener measures 8 1/2" in length with a minimum thread length of 2 1/4" and right-hand thread direction. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for global industrial applications requiring strict chemical substance control.
