S-93705A191 8-32 x 5/16" ASME B18.3 18-8 Stainless Steel Thread-Locking Socket Head Screws
18-8 Stainless Steel Thread-Locking 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
- Vibration-resistant locking with nylon patch thread locker for secure fastening in dynamic applications, maintaining integrity from -70° to 250°F
- Superior corrosion resistance from 18-8 stainless steel, ideal for harsh industrial environments and reducing maintenance costs
- High tensile strength of 70,000 psi ensures reliable load-bearing capacity and durability under stress
- Precise Class 3A thread fit for tighter tolerances and improved assembly accuracy in critical applications
- Easy installation with hex drive using a 9/64" key, allowing for efficient torque application in confined spaces
- Coarse UNC threads provide quick assembly and strong holding power in various materials
- Fully threaded design offers consistent engagement and versatility across different joint thicknesses
Professional Applications & Engineering Value
This 8-32 UNC thread socket head cap screw is engineered to address common industrial challenges such as vibration loosening and corrosion in demanding settings. The nylon patch thread locker ensures long-term fastener security without the need for additional adhesives, making it ideal for machinery, automotive assemblies, and electronic enclosures where temperature fluctuations from -70° to 250°F occur. Made from 18-8 stainless steel, it resists rust and chemical exposure, extending service life in outdoor or humid conditions. The coarse thread and Class 3A fit enhance grip in softer materials or high-vibration environments, reducing the risk of thread stripping and improving overall assembly reliability for B2B procurement in manufacturing and maintenance sectors.
Specification Summary & Compliance
This screw adheres to ASME B18.3 standards for dimensional accuracy, with a Class 3A thread fit ensuring precise UNC coarse threading. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming environmental safety and material restrictions. Specifications include a tensile strength of 70,000 psi, Rockwell B70 hardness, and right-hand threading for consistent performance in industrial applications.
