S-95955A248 6-32 x 1/2" 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.
- Superior mechanical strength with 80,000 psi tensile strength and Rockwell B85 hardness, preventing stripping and failure under high stress.
- Secure left-hand threading for specialized applications where standard right-hand threads would loosen from counter-rotational forces.
- Efficient installation and removal using a 5/64" hex drive, providing maximum torque transfer and reducing tool slippage.
- Reliable coarse UNC thread with Class 2A fit, ensuring easy assembly and consistent performance in various materials.
- Full threading along the 1/2" length for maximum grip and adjustability in deep or variable-thickness applications.
- Compliance with major environmental regulations including RoHS 3 and REACH, ensuring safety and suitability for global industrial markets.
Professional Applications & Engineering Value
This left-hand thread screw is engineered to solve critical challenges in machinery and equipment where reverse rotation is a concern. Its 18-8 stainless steel composition offers excellent resistance to rust and oxidation, making it suitable for outdoor, marine, and chemical processing applications. The UNC coarse thread and Class 2A thread fit provide reliable engagement in metals and plastics, reducing cross-threading risks. The rounded button head with hex drive ensures a low-profile, secure fit that withstands high torque during installation, ideal for assembly lines, automotive components, and conveyor systems requiring dependable left-hand threaded fasteners.
Specification Summary & Compliance
This fastener adheres to UNC coarse thread standards with a Class 2A thread fit for consistent dimensional accuracy. It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances. The screw is fully threaded, with a length of 1/2" and a drive size of 5/64", designed for reliable performance in industrial settings.
