S-92240A640 3/8"-16 x 4" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws
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
- Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
- High tensile strength of 80,000 psi ensures reliable performance under extreme mechanical stress
- Rockwell B70 hardness provides excellent durability and resistance to wear over time
- Fully threaded UNC coarse spacing delivers maximum grip and faster installation in various materials
- External hex drive design allows for easy installation and removal with standard tools
- Class 2A thread fit guarantees consistent, precise engagement with mating components
- Compliance with ASME B18.2.1, RoHS 3, and REACH ensures regulatory adherence for global industrial applications
Professional Applications & Engineering Value
This 3/8"-16 x 4" 18-8 stainless steel hex head screw is engineered to address critical challenges in heavy-duty assembly and machinery. The UNC coarse thread and fully threaded design provide exceptional holding power in metal, wood, and composite materials, reducing the risk of loosening under vibration. With an external hex drive, installation is streamlined using common wrenches, saving time in production lines and maintenance. The 18-8 stainless steel material offers inherent resistance to rust and chemicals, making it suitable for outdoor, marine, or chemical processing equipment where durability is paramount. Its high tensile strength and Rockwell B70 hardness ensure it withstands repetitive loads, minimizing downtime and replacement costs in industrial settings.
Specification Summary & Compliance
This hex head screw features a 3/8"-16 UNC thread with Class 2A fit for precise dimensional accuracy and reliable fastening. It meets ASME B18.2.1 manufacturing specifications, ensuring consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting safe and environmentally responsible use in global industrial applications.
