S-95955A276 8-32 x 1" Left-Hand-Thread Stainless Steel Button Head Hex-Drive Screws
Left-Hand-Thread Stainless Steel Button Head Hex-Drive 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 environments and long-term reliability.
- High tensile strength of 80,000 psi ensures secure fastening under significant mechanical stress and vibration.
- Left-hand thread design provides reliable performance in reverse-thread applications, preventing loosening in rotating machinery.
- Class 2A thread fit guarantees precise, easy assembly and consistent engagement with standard UNC nuts and tapped holes.
- Hex drive (3/32") allows for high-torque installation with common tools, reducing slippage and installation time.
- Fully threaded shank offers maximum grip and adjustability along the entire 1" length for versatile mounting needs.
- Compliance with RoHS 3 and REACH ensures environmental safety and meets international regulatory standards for industrial use.
Professional Applications & Engineering Value
This 8-32 UNC left hand thread rounded head screw is engineered to address critical challenges in industrial settings where standard right-hand threads may loosen under counter-clockwise motion. The 18-8 stainless steel material provides superior corrosion resistance, making it suitable for applications in marine, chemical processing, and outdoor equipment. The coarse UNC thread and Class 2A fit ensure quick assembly and reliable performance in high-vibration environments, such as machinery, automotive systems, and conveyor belts. Its button head style with a hex drive offers a low-profile, secure fastening solution that withstands rigorous use while maintaining aesthetic and functional integrity. This screw is ideal for reverse-thread mechanisms requiring durability and compliance with stringent industry regulations.
Specification Summary & Compliance
This screw adheres to UNC thread standards with a Class 2A thread fit for precise dimensional accuracy and ease of assembly. It is manufactured from 18-8 stainless steel with a hardness of Rockwell B85 and 80,000 psi tensile strength. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety standards for global industrial applications.
