S-91251A447 0-80 x 7/16" 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
- Superior corrosion resistance with black-oxide coating for extended service life in demanding environments
- Exceptional tensile strength of 170,000 psi provides reliable performance under high-stress conditions
- Precision Class 3A thread fit ensures secure, vibration-resistant connections in critical assemblies
- Fine UNF thread profile delivers superior holding power and improved load distribution
- Hex socket drive design allows for high-torque installation in confined spaces
- Full thread coverage along the 7/16" length enables flexible positioning and maximum grip
- Industry compliance assurance meeting ASTM A574, RoHS 3, and REACH standards for global applications
Professional Applications & Engineering Value
These black-oxide alloy steel socket head cap screws provide engineering solutions where space constraints and high-strength requirements intersect. The 0-80 UNF fine thread configuration offers superior resistance to vibration loosening in precision equipment, while the Class 3A thread fit ensures consistent clamping force in critical assemblies. The hex socket drive accommodates high installation torque without head stripping, making these fasteners ideal for aerospace components, precision machinery, and electronic enclosures where reliability is paramount. The combination of Rockwell C37 hardness and 170,000 psi tensile strength ensures these screws maintain integrity under cyclic loading conditions.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 3A thread fit tolerance for superior engagement. These 0-80 UNF socket head cap screws comply with ASTM A574 specification for alloy steel socket head cap screws, ensuring consistent quality and performance. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations guarantees suitability for international industrial markets. The 7/16" length with fully threaded design provides versatile fastening solutions across various applications.
