S-90299A170 8-32 x 3/8" ASME B18.3, ASTM A574 Brass-Tip Alloy Steel Socket Head Screws
Brass-Tip Alloy 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
- Prevents surface damage with a non-marring brass tip that protects sensitive materials during installation and use
- Exceptional strength and durability from alloy steel construction with 180,000 psi tensile strength for reliable, long-lasting fastening
- Superior corrosion resistance thanks to the black-oxide coating, extending service life in demanding environments
- Precise thread engagement with Class 3A UNC coarse threads ensuring secure, vibration-resistant connections
- Easy installation in confined spaces using the standard hex socket drive for efficient torque application
- Full thread coverage along the 3/8" length provides maximum grip and load distribution
- Consistent performance backed by Rockwell C39 hardness for maintained mechanical properties under stress
Professional Applications & Engineering Value
Engineered for precision assembly, these socket head cap screws with non-marring brass tips solve critical challenges in industries where surface integrity is paramount. The black-oxide alloy steel construction delivers high tensile strength (180,000 psi) and corrosion resistance, ideal for machinery, electronics, and automotive applications. The 8-32 UNC coarse thread and Class 3A fit ensure quick assembly and reliable hold in materials prone to stripping. By combining a protective brass tip with a hex drive design, these screws prevent damage to delicate components while allowing easy access in tight spaces, reducing rework and enhancing productivity in sensitive fastening tasks.
Specification Summary & Compliance
This screw features precise UNC coarse threads with a Class 3A thread fit for accurate engagement and meets ASME B18.3 manufacturing standards. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety adherence. Dimensions include a 3/8" length and 9/64" hex drive, with all specifications adhering to ASTM A574 material guidelines for consistent quality and performance.
