S-90306A292 3/8"-16 x 1" Left-Hand Threaded 18-8 Stainless Steel Hex Head Screws
Left-Hand Threaded 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 environments and long-term reliability
- High tensile strength of 70,000 PSI ensures secure fastening under heavy loads and vibration
- Left-hand threading provides specialized functionality for reverse-thread applications and safety-critical assemblies
- Class 2A thread fit with UNC coarse thread guarantees easy assembly and consistent engagement in various materials
- Full threading along the 1" length offers maximum grip and adjustability across the entire fastener
- Rockwell B70 hardness delivers superior wear resistance and durability for repeated use
- External hex drive design allows for high-torque installation with standard tools, improving efficiency
Professional Applications & Engineering Value
Engineered for demanding industrial settings, this 3/8"-16 UNC left-hand hex head screw addresses critical challenges in machinery, automotive, and construction applications where reverse threading prevents loosening from counter-clockwise motion. The 18-8 Stainless Steel material provides excellent resistance to rust and chemicals, reducing maintenance costs in corrosive environments. With a coarse thread and Class 2A fit, it ensures quick installation and reliable performance in soft metals or plastics, minimizing cross-threading risks. The fully threaded design and 70,000 PSI tensile strength make it suitable for high-stress points, offering engineers a dependable solution for safety-focused assemblies that require left-hand thread functionality.
Specification Summary & Compliance
This screw features precise Class 2A thread fit per UNC standards, with dimensions including 3/8"-16 thread size, 1" length, and external hex drive (9/16" width, 1/4" height). It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and industrial adherence. Manufactured to inch system measurements, it meets common engineering specifications for reliable performance in various applications.
