S-90306A296 3/8"-16 x 1 1/2" 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 for long-lasting performance in harsh environments
- High tensile strength of 70,000 psi ensures reliable fastening in demanding industrial applications
- Left-hand threading provides secure fastening in applications where standard right-hand threads may loosen under rotational forces
- Class 2A thread fit guarantees precise dimensional accuracy and consistent installation performance
- Rockwell B70 hardness delivers excellent durability and resistance to wear and deformation
- Full threading along the entire 1-1/2" length enables maximum grip and load distribution
- Environmental compliance with RoHS 3 and REACH regulations ensures safe use across various industries
Professional Applications & Engineering Value
This 3/8"-16 UNC left-hand hex head screw in 18-8 stainless steel addresses critical engineering challenges in industrial settings where reverse-rotation forces are present. The left-hand thread configuration prevents loosening in machinery subject to counter-clockwise motion, while the coarse UNC threading provides superior holding power in softer materials and faster installation. The external hex drive design allows for high-torque application with standard tools, making it ideal for heavy equipment, automotive systems, and manufacturing machinery. With its 70,000 psi tensile strength and corrosion-resistant properties, this fastener maintains integrity in demanding environments including marine applications, chemical processing, and outdoor infrastructure where moisture and corrosive elements are concerns.
Specification Summary & Compliance
This hex head screw features precise 3/8"-16 UNC coarse threading with Class 2A fit tolerance according to inch system standards, ensuring dimensional accuracy and reliable performance. The fastener is manufactured from 18-8 stainless steel with Rockwell B70 hardness and 70,000 psi tensile strength. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations confirms environmental safety and restricted substance adherence for global industrial applications.
