S-92185A113 4-40 x 7/8" Super-Corrosion-Resistant 316 Stainless Steel Socket Head Screws
Super-Corrosion-Resistant 316 Stainless Steel Socket 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 from 316 stainless steel with passivated finish, ideal for harsh chemical and marine environments.
- Superior thread engagement and reliability with Class 3A fit UNC coarse threading, ensuring precise, vibration-resistant fastening.
- High mechanical strength offering 70,000 psi tensile strength and Rockwell B70 hardness for demanding load applications.
- Secure, tamper-resistant installation via a standard hex socket head with 3/32" drive, preventing stripping and enabling high torque.
- Full-length threading for consistent grip along the entire 7/8" length, facilitating versatile mounting in tight spaces.
- Compliance with strict environmental regulations, including RoHS 3 and REACH, ensuring safe, sustainable use in global markets.
- Durable, long-lasting performance in industrial settings, reducing maintenance needs and replacement costs.
Professional Applications & Engineering Value
This 316 stainless steel socket head cap screw is engineered to address critical challenges in corrosive and high-stress environments. Its UNC coarse thread with Class 3A fit provides excellent vibration resistance and ease of assembly, minimizing the risk of loosening in machinery, chemical processing equipment, and marine applications. The passivated finish enhances the innate corrosion resistance of 316 stainless steel, protecting against chlorides and acids, which is vital for food processing, pharmaceutical, and offshore industries. Combined with a 70,000 psi tensile strength and Rockwell B70 hardness, it ensures reliable performance under mechanical loads, reducing downtime and enhancing operational safety in industrial-grade fastening systems.
Specification Summary & Compliance
This screw adheres to UNC thread standards with a 4-40 thread size and Class 3A thread fit for high precision. Dimensions include a 7/8" length, 0.183" head diameter, and 3/32" hex drive. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for global industrial use.
