S-90665A111 8-32 x 3/8" ASTM A574 Alloy Steel Low-Profile Socket Head Screws
Alloy Steel Low-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 tensile strength of 140,000 psi ensures reliable performance under high-stress conditions, reducing the risk of fastener failure.
- Zinc-plated alloy steel construction provides excellent corrosion resistance, extending service life in harsh industrial environments.
- Class 3A thread fit offers superior precision and tight tolerances for secure, vibration-resistant connections.
- Low-profile socket head with hex drive allows for easy installation in confined spaces using standard tools.
- Coarse UNC threading enables quick assembly and disassembly, improving maintenance efficiency.
- Full compliance with ASTM A574, RoHS 3, and REACH guarantees material quality and environmental safety for global supply chains.
- Rockwell C39 hardness ensures high durability and resistance to wear, maintaining thread integrity over repeated use.
Professional Applications & Engineering Value
This 8-32 UNC thread socket head cap screw is engineered to address critical fastening challenges in demanding sectors such as machinery assembly, automotive manufacturing, and heavy equipment. The zinc-plated alloy steel material combats rust and corrosion, while the low-profile socket head design allows for flush mounting in tight spaces, minimizing protrusion and interference. With a coarse thread spacing and Class 3A thread fit, it ensures rapid installation and reliable grip in substrates prone to vibration, reducing maintenance downtime. Ideal for applications requiring high tensile strength and consistent performance, this fastener supports structural integrity and operational safety in industrial settings.
Specification Summary & Compliance
This product adheres to precise dimensional standards, including UNC thread type with Class 3A thread fit for accurate engagement. It meets ASTM A574 specifications for alloy steel socket head cap screws, ensuring material and manufacturing consistency. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) confirms it is free from hazardous substances, supporting safe and sustainable usage in regulated industries.
