S-92196A215 4-40 x 1 5/8" ASME B18.3 18-8 Stainless Steel Socket Head Screws
18-8 Stainless Steel Socket 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 extended service life.
- High tensile strength of 70,000 psi ensures reliable fastening under significant loads and vibrations.
- Precise Class 3A thread fit guarantees secure engagement and reduces the risk of cross-threading during assembly.
- Hex socket drive design allows for high torque application and easy installation in confined spaces.
- Coarse UNC threads provide quick assembly and disassembly, enhancing efficiency in maintenance and production.
- Compliance with ASME B18.3 ensures dimensional accuracy and interchangeability for consistent performance.
- RoHS 3 and REACH compliance supports environmental regulations and safe use in various industrial sectors.
Professional Applications & Engineering Value
This 18-8 stainless steel socket head cap screw is engineered to address common industrial challenges, such as corrosion and mechanical stress. Its 4-40 UNC coarse thread and Class 3A fit deliver reliable fastening in machinery, automotive, and electronics, where precision and durability are critical. The partially threaded design with a minimum thread length of 3/4" allows for optimal grip in assemblies, reducing loosening under vibration. With a Rockwell B70 hardness and 70,000 psi tensile strength, it withstands high-load applications, while the hex drive ensures easy installation in tight spaces, minimizing downtime and enhancing operational efficiency in demanding environments.
Specification Summary & Compliance
This screw adheres to ASME B18.3 standards for dimensional accuracy, featuring a 4-40 UNC coarse thread with Class 3A thread fit for precise tolerances. It is manufactured from 18-8 stainless steel with a hardness of Rockwell B70 and tensile strength of 70,000 psi. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), it meets environmental and safety regulations for industrial use.
