S-91274A144 10-24 x 2 1/2" ASME B18.3, ASTM A574, ASTM B117 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 industrial applications
- Superior corrosion resistance with zinc-flake coating that protects against harsh environmental conditions
- Precision Class 3A thread fit provides secure, vibration-resistant fastening with minimal backlash
- High hardness rating (Rockwell C37) delivers excellent wear resistance and extended service life
- Hex socket drive design allows for high torque application and easy installation in confined spaces
- Partially threaded configuration offers optimal grip strength while reducing weight and material usage
- Coarse UNC threading enables quick assembly and disassembly in demanding industrial environments
Professional Applications & Engineering Value
These zinc-flake-coated socket head cap screws deliver critical engineering solutions for industrial applications where corrosion resistance and high tensile strength are paramount. The alloy steel construction combined with Rockwell C37 hardness ensures exceptional durability in heavy machinery, automotive assemblies, and structural frameworks. The 10-24 UNC coarse thread design provides superior engagement in softer materials and faster installation times, while the hex socket drive enables precise torque control in space-constrained applications. Engineered to withstand extreme mechanical stresses, these fasteners prevent joint failure in vibration-intensive environments, making them ideal for manufacturing equipment, industrial automation systems, and critical infrastructure projects requiring reliable fastening solutions.
Specification Summary & Compliance
Manufactured to exacting standards with Class 3A thread fit precision and UNC coarse threading specifications. Fully compliant with ASME B18.3 dimensional requirements and ASTM A574 material specifications. Meets ASTM B117 salt spray testing standards for corrosion resistance. Certified RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant for environmental and safety regulations.
