S-90124A542 1/4"-20 x 1" 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
- Superior corrosion resistance with zinc-plated steel construction, ensuring long-lasting performance in harsh industrial environments
- Exceptional load-bearing capacity with Grade 5 strength rating and 120,000 psi tensile strength for reliable heavy-duty applications
- Optimized installation efficiency through UNC coarse threading and external hex drive design for quick assembly with standard tools
- Precise thread engagement with Class 2A thread fit ensuring consistent fastening performance and vibration resistance
- Enhanced durability with Rockwell C25 hardness providing excellent wear resistance and thread integrity
- Full-length threading versatility allowing complete engagement along the 1" shaft for adjustable positioning in various materials
- Regulatory compliance assurance meeting ASME B18.2.1, SAE J429 standards plus RoHS 3 and REACH environmental directives
Professional Applications & Engineering Value
This Grade 5 hex head screw delivers critical engineering value through its zinc-plated 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 structural applications where vibration resistance and load capacity are paramount. The external hex drive provides superior torque transmission for secure installations in machinery, equipment assembly, and construction projects. The fully threaded 1" length offers maximum grip range for diverse material thicknesses, while the Class 2A thread fit maintains precise tolerances for consistent performance in automotive, manufacturing, and heavy equipment applications where failure is not an option.
Specification Summary & Compliance
This fastener maintains Class 2A thread fit precision with UNC coarse threading (1/4"-20) and complies with ASME B18.2.1 and SAE J429 manufacturing specifications. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting current environmental regulations for industrial components. Manufacturing standards ensure dimensional accuracy for the 1" length, 7/16" head width, and proper thread geometry as specified.
