S-90332A139 5/16"-18 x 3/4" 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
- Exceptional corrosion resistance from 18-8 stainless steel construction, ideal for harsh environments and reducing maintenance costs
- Superior torque transmission and stripping resistance with a 1/4" hex drive and high-profile socket head for reliable installation
- High mechanical strength with 70,000 PSI tensile strength and Rockwell B84 hardness to withstand heavy loads and stress
- Precise thread engagement and vibration resistance due to Class 3A fit and coarse UNC threads for secure fastening in demanding applications
- Full thread coverage along the 3/4" length ensures maximum grip and adjustability in assembled components
- Compliance with environmental regulations including RoHS 3 and REACH, making it suitable for global industrial supply chains
- Right-hand coarse threading for quick assembly and disassembly, improving efficiency in production and maintenance
Professional Applications & Engineering Value
This socket head cap screw is engineered to address critical challenges in industrial applications where precision, strength, and durability are non-negotiable. The 18-8 stainless steel material provides excellent resistance to corrosion and oxidation, making it ideal for machinery, automotive assemblies, and outdoor equipment exposed to moisture or chemicals. The Class 3A thread fit and coarse UNC threading ensure tight tolerances and reliable performance in high-vibration environments, reducing the risk of loosening over time. Combined with a high-strength 70,000 PSI tensile rating and a 1/4" hex drive for efficient torque application, this fastener delivers consistent performance in precision engineering and heavy-duty mechanical systems, minimizing downtime and maintenance needs.
Specification Summary & Compliance
This product adheres to UNC coarse thread standards with a Class 3A thread fit for precise dimensional accuracy. It is manufactured from 18-8 stainless steel and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements, ensuring it is free from hazardous substances and suitable for use in regulated industries.
