S-90332A131 1/4"-20 x 1/2" High-Profile Socket Head Screws
High-Profile 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.
- Exceptional tensile strength rated at 70,000 psi, providing reliable, high-load fastening for demanding applications.
- Precise Class 3A thread fit ensures tight tolerances and secure mating with nuts and tapped holes, minimizing backlash.
- High-profile socket head with 3/16" hex drive allows for high torque application and easy installation in confined spaces.
- Coarse UNC 1/4"-20 threads enable rapid assembly and disassembly, reducing installation time and labor costs.
- Full threading along the 1/2" length offers maximum grip and adjustability across the entire fastener.
- Compliance with RoHS 3 and REACH regulations guarantees environmental safety and global material standards.
Professional Applications & Engineering Value
Engineered for industrial applications where reliability is non-negotiable, this socket head cap screw delivers robust performance in machinery, automotive assemblies, and structural frameworks. The 18-8 stainless steel material provides excellent resistance to rust and oxidation, making it suitable for outdoor or chemically exposed settings. Its UNC coarse thread design prevents cross-threading and ensures quick, secure fastening, while the high tensile strength and Rockwell B84 hardness withstand vibrational stresses and heavy loads. The hex drive and fully threaded shank allow for precise torque control and uniform clamping force, addressing common issues like joint loosening and material fatigue in high-performance fastening systems.
Specification Summary & Compliance
This screw adheres to UNC thread standards with a precise Class 3A fit for superior dimensional accuracy. Manufacturing conforms to industry norms for socket head cap screws, featuring a right-hand thread direction and coarse thread spacing. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring the absence of restricted hazardous substances and promoting environmental safety in industrial supply chains.
