S-92196A035 4-40 x 2" 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
- Exceptional corrosion resistance from 18-8 stainless steel construction, ideal for harsh industrial environments and outdoor applications.
- Superior tensile strength of 70,000 PSI ensures reliable, high-load fastening for critical assemblies and machinery.
- Precise Class 3A thread fit guarantees smooth installation, secure mating, and vibration resistance in demanding applications.
- Fully threaded design provides consistent, maximum holding power and clamping force along the entire 2-inch length.
- High Rockwell B70 hardness offers excellent wear resistance and durability, reducing the risk of stripping or head deformation.
- Standard hex socket drive (3/32") allows for high-torque installation with common tools, enabling efficient assembly and maintenance.
- Full compliance with ASME B18.3, RoHS 3, and REACH ensures product quality, safety, and environmental responsibility for global supply chains.
Professional Applications & Engineering Value
This 4-40 UNC thread socket head cap screw is engineered to solve critical fastening challenges in precision industries. The coarse thread and Class 3A fit provide rapid assembly and superior vibration resistance, preventing loosening in dynamic equipment. Manufactured from 18-8 Stainless Steel, it delivers excellent corrosion resistance, making it suitable for marine, chemical processing, and food-grade applications where moisture and chemicals are present. The fully threaded design ensures maximum grip and load distribution, ideal for securing components in machinery, electronic enclosures, and automotive subsystems. Its 70,000 PSI tensile strength and Rockwell B70 hardness guarantee long-term reliability under stress, reducing maintenance cycles and downtime.
Specification Summary & Compliance
This fastener adheres to Class 3A thread tolerances for precision fit, conforming to the UNC (Unified Coarse Thread) standard. Manufacturing and dimensional specifications strictly meet ASME B18.3. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for use in regulated markets.
