S-92198A639 3/8"-16 x 3 3/4" 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 environments and reducing replacement frequency.
- High tensile strength of 80,000 psi ensures reliable performance under heavy loads and vibration, minimizing failure risks.
- External hex drive and hex head design allows for easy installation and removal with standard tools, saving time on assembly lines.
- Coarse UNC threads with Class 2A fit provide quick engagement and secure fastening in a variety of materials.
- Partially threaded shank offers improved clamping force and prevents loosening in dynamic applications.
- Compliance with ASME B18.2.1 guarantees dimensional accuracy and interchangeability, ensuring consistent quality in industrial setups.
- RoHS 3 and REACH compliance meets environmental regulations, making it suitable for global supply chains and sensitive applications.
Professional Applications & Engineering Value
This 3/8"-16 UNC hex head screw is engineered to address common industrial challenges such as corrosion-induced degradation and mechanical failure. Crafted from 18-8 stainless steel, it resists rust and chemical exposure, extending service life in outdoor, marine, or chemical processing settings. The coarse thread and partial threading enhance grip and distribution of clamping force, reducing the risk of strip-out in soft materials or under vibration. With an external hex drive and standardized dimensions per ASME B18.2.1, it simplifies maintenance and assembly in machinery, construction, and automotive systems, ensuring reliable performance where durability and compliance are critical.
Specification Summary & Compliance
This screw features a 3/8"-16 UNC thread with Class 2A fit for precise tolerance, a length of 3-3/4", and a partially threaded design. It meets ASME B18.2.1 manufacturing specifications and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity.
