S-92865A738 1/2"-13 x 7" ASME B18.2.1, SAE J429 Medium-Strength Grade 5 Steel Hex Head Screws
Medium-Strength Grade 5 Steel 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
- Enhanced load-bearing capacity with 120,000 psi tensile strength and Grade 5 classification, ensuring reliable performance in demanding applications
- Superior corrosion resistance through zinc plating, extending service life in harsh industrial environments
- Optimized thread engagement with UNC coarse threading and Class 2A fit, providing secure fastening and reduced cross-threading risks
- High torque application capability featuring external hex drive and 3/4" head width for efficient installation with standard tools
- Full-length thread coverage across the 7" length, offering versatile positioning and maximum grip strength
- Consistent mechanical properties with Rockwell C25 hardness, maintaining structural integrity under repeated stress
- 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 steel hex head screw delivers critical engineering solutions for heavy machinery, structural frameworks, and industrial equipment assembly. The combination of UNC coarse threading and Class 2A thread fit ensures rapid installation while maintaining precise tolerance control, significantly reducing assembly time in production environments. The zinc plated finish provides essential protection against oxidation and chemical exposure, making it ideal for outdoor applications and manufacturing facilities with humidity challenges. With full threading along the 7" length, engineers gain flexibility in adjustment while maintaining uniform stress distribution. The external hex drive design accommodates high-torque applications common in construction and automotive industries, preventing tool slippage and ensuring consistent clamping force.
Specification Summary & Compliance
Manufactured to ASME B18.2.1 and SAE J429 Grade 5 specifications with Class 2A thread fit tolerance. Features 1/2"-13 UNC coarse threads in right-hand direction with 0.5" thread diameter. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Mechanical properties include 120,000 psi tensile strength and Rockwell C25 hardness.
