S-90299A145 6-32 x 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
- Non-marring brass tip prevents surface damage on sensitive components, ideal for delicate assembly applications
- 180,000 psi tensile strength provides exceptional load-bearing capacity for demanding industrial environments
- Class 3A thread fit ensures precise engagement and vibration resistance in critical assemblies
- Black-oxide coating on alloy steel offers superior corrosion resistance and extended service life
- Rockwell C39 hardness maintains structural integrity under high-stress conditions
- Hex socket drive design enables high-torque installation in confined spaces
- Full UNC coarse threading facilitates rapid installation and superior holding power
Professional Applications & Engineering Value
This black-oxide alloy steel socket head cap screw delivers exceptional engineering value in precision manufacturing and equipment assembly. The 6-32 UNC coarse thread with Class 3A fit provides reliable fastening in vibration-prone applications while maintaining dimensional accuracy. The innovative nonmarring brass tip addresses critical surface protection requirements in aerospace, electronics, and precision instrumentation assembly, eliminating costly damage to finished surfaces. With 180,000 psi tensile strength and Rockwell C39 hardness, this fastener withstands extreme mechanical stresses while the hex drive socket enables secure installation in space-constrained environments. Engineered for industrial reliability, this screw meets rigorous performance demands across automotive, machinery, and high-precision manufacturing sectors.
Specification Summary & Compliance
This socket head cap screw features precise 6-32 UNC coarse threads with Class 3A fit tolerance for superior thread engagement. Manufactured to ASME B18.3 specifications using ASTM A574 alloy steel, the fastener ensures dimensional consistency and mechanical reliability. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations guarantees safe use across global markets. The combination of black-oxide surface treatment and fully threaded design provides optimal corrosion resistance and uniform load distribution throughout the 1/2" length.
