S-90124A334 1/2"-13 x 1 3/4" ASME B18.2.1, SAE J429 Steel Wire-Lockable Hex Head Screws
Steel Wire-Lockable Hex 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 capacity with 120,000 psi tensile strength for reliable performance in demanding applications
- Superior corrosion resistance thanks to the black-oxide steel finish, extending service life in harsh environments
- Optimized thread engagement with UNC coarse threading and Class 2A fit for faster assembly and secure fastening
- Enhanced durability through Rockwell C25 hardness, maintaining structural integrity under repeated stress
- Full-thread design provides consistent clamping force along the entire 1 3/4" length for maximum holding power
- Industry-standard compliance with ASME B18.2.1 and SAE J429 specifications ensures reliable interchangeability
- Secure locking mechanism with wire locking feature prevents loosening from vibration in industrial settings
Professional Applications & Engineering Value
This Grade 5 hex head screw delivers critical engineering value through its black-oxide steel construction and UNC coarse threading, specifically designed to address industrial fastening challenges. The combination of 120,000 psi tensile strength and Rockwell C25 hardness ensures reliable performance in heavy machinery, structural assemblies, and equipment manufacturing where vibration resistance and load capacity are paramount. The external hex drive provides superior torque transmission during installation, while the fully threaded design offers consistent clamping force across the entire fastener length. This makes it particularly valuable for applications requiring secure fastening in construction, automotive, and industrial maintenance scenarios where corrosion resistance and long-term reliability are essential.
Specification Summary & Compliance
This fastener features precision Class 2A thread fit with UNC coarse threading (1/2"-13) and right-hand thread direction, manufactured to exact dimensional standards. The product complies with ASME B18.2.1 and SAE J429 Grade 5 specifications, ensuring consistent quality and performance. Additionally, it meets RoHS 3 (2015/863/EU) compliance requirements for environmental safety, making it suitable for regulated industries and international projects requiring certified components.
