S-92196A106 4-40 x 1/4" 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 from 18-8 stainless steel construction, ideal for harsh environments and long-term reliability.
- High-strength performance with 70,000 psi tensile strength and Rockwell B70 hardness, ensuring dependable load-bearing capacity.
- Precise Class 3A thread fit for secure, vibration-resistant assemblies and reduced risk of loosening.
- Convenient hex drive design with a 3/32" drive size, allowing for easy installation and removal in confined spaces.
- Reliable coarse UNC threading providing faster assembly and better performance in softer materials.
- Full compliance with ASME B18.3, RoHS 3, and REACH, ensuring material safety and meeting industrial specifications.
- Versatile 1/4" length and fully threaded design for broad application use and consistent clamping force.
Professional Applications & Engineering Value
This 4-40 UNC thread socket head cap screw is engineered to address critical challenges in precision assembly and demanding industrial environments. The 18-8 stainless steel material provides excellent resistance to corrosion and oxidation, making it suitable for applications exposed to moisture, chemicals, or outdoor conditions. The Class 3A thread fit and coarse thread design ensure a tight, secure connection that resists vibration-induced loosening, which is essential in machinery, electronics, and automotive components. The hex drive and compact socket head allow for efficient installation in tight spaces, reducing assembly time and improving maintenance accessibility. Its high tensile strength and hardness support reliable performance under stress, making it a trusted choice for engineers seeking durability and compliance with ASME B18.3 standards.
Specification Summary & Compliance
This screw features a 4-40 UNC coarse thread with a Class 3A fit for precise dimensional accuracy, a 1/4" length, and a standard socket head profile. It is manufactured in compliance with ASME B18.3 specifications and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity for industrial use.
