S-90299A242 10-32 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
- Superior surface protection with non-marring brass tip that prevents damage to sensitive materials during installation and use
- Exceptional corrosion resistance through black-oxide coating on alloy steel, extending service life in demanding environments
- Precise thread engagement with Class 3A fit and 10-32 UNF fine threads ensuring reliable, vibration-resistant connections
- Maximum torque transmission via hex socket drive design that prevents stripping and enables high tightening forces
- Outstanding mechanical strength with 180,000 psi tensile strength and Rockwell C39 hardness for heavy-duty applications
- Broad regulatory compliance meeting ASME B18.3, RoHS 3, and REACH standards for quality assurance and environmental safety
- Versatile installation capability with fully threaded design and right-hand thread direction for standard assembly procedures
Professional Applications & Engineering Value
These black-oxide alloy steel socket head cap screws deliver critical performance advantages in precision assemblies where surface protection and reliable fastening are paramount. The combination of Class 3A thread fit and 10-32 UNF fine threads provides superior resistance to vibrational loosening in machinery, automotive, and aerospace applications. The non-marring brass tip specifically addresses the engineering challenge of securing components without damaging expensive or sensitive surfaces, making these fasteners ideal for electronic enclosures, precision instruments, and finished products. With 180,000 psi tensile strength and Rockwell C39 hardness, they maintain structural integrity under extreme loads while the black-oxide finish offers additional corrosion protection in industrial environments.
Specification Summary & Compliance
Manufactured to exacting standards with Class 3A thread fit precision and 10-32 UNF fine thread specifications. These socket head cap screws comply with ASME B18.3 dimensional requirements and are produced from ASTM A574 alloy steel. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring they meet current environmental safety standards for industrial use worldwide.
