S-90357A033 3/8"-16 x 2 1/2" Alloy Steel Ultra-Low-Profile Socket Head Screws
Alloy Steel Ultra-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 for reliable performance in high-stress applications.
- Precise Class 3A thread fit ensures tighter tolerances and superior engagement for secure fastening.
- Black-oxide coating on alloy steel provides enhanced corrosion resistance and a durable, non-reflective finish.
- Ultra-low socket head profile allows for installation in confined spaces without compromising on drive stability.
- Rockwell C32 hardness offers excellent wear resistance and maintains thread integrity under repeated use.
- 3/8"-16 UNC coarse threads enable quick assembly and reduced risk of cross-threading in industrial settings.
- Full compliance with RoHS 3 and REACH regulations ensures environmental safety and suitability for global markets.
Professional Applications & Engineering Value
Engineered for demanding environments, this Black-Oxide Alloy Steel Socket Head Cap Screw addresses common industrial challenges such as vibration loosening and material fatigue. The Class 3A thread fit and coarse UNC threads provide superior holding power in machinery, automotive assemblies, and heavy equipment, minimizing downtime. Its ultra-low profile head and hex drive design facilitate easy access in tight spaces, while the high tensile strength and hardness ensure longevity under dynamic loads. Ideal for OEM and MRO applications, this fastener delivers consistent performance where precision and durability are critical.
Specification Summary & Compliance
This socket head cap screw adheres to UNC thread standards with a Class 3A fit for precise dimensional accuracy, including a length tolerance of -0.005" to 0.005". Manufactured from hardened alloy steel, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances. The specifications support reliable use in regulated industries, providing assurance of quality and environmental responsibility.
