S-91864A046 3/8"-24 x 7/8" ASTM A574 Alloy Steel Socket Head Screws
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
- Exceptional tensile strength of 170,000 psi ensures reliable performance in high-stress applications
- Superior corrosion resistance provided by black-oxide coating on alloy steel for extended service life
- Precise Class 3A thread fit delivers secure fastening with minimal vibration loosening
- Fine UNF threading offers better adjustment control and superior holding power
- Full threading design allows for maximum engagement along the entire screw length
- Standard hex socket drive enables easy installation in confined spaces with standard tools
- Rockwell C37 hardness maintains structural integrity under heavy loads and repeated use
Professional Applications & Engineering Value
This 3/8"-24 UNF socket head cap screw delivers critical performance advantages for demanding industrial applications. The black-oxide alloy steel construction provides exceptional corrosion protection while maintaining the high tensile strength required for machinery, automotive, and heavy equipment assemblies. The fine thread pitch ensures superior vibration resistance and precise clamping force distribution, making it ideal for applications where joint integrity is paramount. With its fully threaded design and Class 3A thread fit, this fastener offers maximum engagement and reliable performance in high-stress environments, from manufacturing equipment to precision instruments. The hex socket drive facilitates installation in tight spaces while preventing tool slippage and damage to the fastener head.
Specification Summary & Compliance
This socket head cap screw features precision 3/8"-24 UNF fine threading with Class 3A thread fit for superior dimensional accuracy. Manufactured to ASTM A574 specifications, it ensures consistent quality and performance. The fastener is fully compliant with RoHS 3 (2015/863/EU) environmental standards and REACH (EC 1907/2006) regulations, meeting the latest industry requirements for hazardous substance restrictions. With a 7/8" length and 5/16" hex drive, this fully threaded screw delivers reliable fastening performance across various industrial applications.
