S-90299A725 3/8"-16 x 1 1/2" 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
- Nonmarring brass tip prevents surface damage on sensitive components while ensuring secure fastening
- Exceptional 180,000 psi tensile strength delivers reliable performance in high-stress industrial applications
- Black-oxide coating on alloy steel provides corrosion resistance and extended service life
- Precision Class 3A thread fit ensures consistent engagement and vibration resistance in assembly operations
- Hex socket drive design allows for high-torque installation in confined spaces
- Full UNC coarse threading enables faster installation and superior holding power
- Rockwell C39 hardness rating maintains structural integrity under repeated loading conditions
Professional Applications & Engineering Value
This black-oxide alloy steel socket head cap screw addresses critical challenges in precision manufacturing and machinery assembly. The nonmarring brass tip eliminates surface damage on finished components, making it ideal for applications involving delicate materials or visible surfaces. With its 180,000 psi tensile strength and Rockwell C39 hardness, this fastener maintains clamping force under extreme vibration and load conditions. The UNC coarse thread and Class 3A thread fit provide rapid installation while ensuring precise alignment in automated assembly systems. Engineered for industrial equipment, automotive fixtures, and precision machinery, this socket head cap screw delivers reliable performance where surface protection and high-strength fastening are simultaneously required.
Specification Summary & Compliance
This socket head cap screw features precision 3/8"-16 UNC coarse threads with Class 3A thread fit for superior engagement. Manufactured to ASME B18.3 specifications using ASTM A574 alloy steel, it ensures dimensional accuracy and consistent performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, meeting international standards for industrial fastener applications.
