S-90117A716 1/2"-13 x 1 1/2" ASME B18.3 Alloy Steel Wire-Lockable Socket Head Screws
Alloy Steel Wire-Lockable 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 load-bearing capability with 170,000 psi tensile strength for reliable performance in high-stress applications
- Superior corrosion resistance provided by black-oxide coating on alloy steel, extending service life in demanding environments
- Precision thread engagement with Class 3A fit ensuring consistent, vibration-resistant connections in critical assemblies
- Optimized torque transmission through 3/8" hex drive design, preventing tool slippage and enabling efficient installation
- Full-threaded design offering maximum grip length and uniform stress distribution along the entire fastener length
- Enhanced durability with Rockwell C37 hardness, maintaining structural integrity under repeated loading conditions
- Regulatory compliance assurance meeting both industry standards and environmental regulations for global project suitability
Professional Applications & Engineering Value
These black-oxide alloy steel socket head cap screws deliver critical engineering solutions for heavy machinery, automotive systems, and industrial equipment where vibration resistance and high tensile strength are paramount. The UNC coarse thread configuration combined with Class 3A thread fit ensures rapid assembly while maintaining precision alignment in structural applications. The 3/8" hex drive interface accommodates standard industrial tools, streamlining maintenance procedures in confined spaces. Engineered to withstand extreme mechanical stresses, these fully threaded fasteners provide uniform clamping force distribution across the entire 1½" length, preventing joint relaxation in dynamic loading environments common in manufacturing and construction sectors.
Specification Summary & Compliance
Manufactured to exacting ASME B18.3 specifications with Class 3A thread tolerance for precision fitment. Features 1/2"-13 UNC coarse threads in right-hand orientation with fully threaded design. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring global regulatory acceptance for industrial applications requiring verified material safety and environmental responsibility.
