S-91268A969 1 1/2"-6 x 14" ASME B18.2.1, SAE J429 High-Strength Grade 8 Steel Hex Head Screws
High-Strength Grade 8 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
- Exceptional load-bearing capacity with 150,000 psi tensile strength for critical structural applications
- Superior wear resistance from Rockwell C33 hardness ensures extended service life in demanding environments
- Reliable coarse threading (UNC) provides faster installation and better performance in vibration-prone applications
- Optimized partial threading design offers superior clamping force control for precise joint integrity
- Heavy-duty hex head (2-1/4" width) enables high-torque installation with standard industrial tools
- Precision Class 2A thread fit guarantees consistent engagement and reduces cross-threading risks
- Full regulatory compliance with ASME, SAE, RoHS 3, and REACH standards for global industrial acceptance
Professional Applications & Engineering Value
This Grade 8 hex head screw delivers engineered solutions for heavy machinery, structural steel connections, and industrial equipment assembly. The 1-1/2"-6 UNC coarse thread configuration provides superior resistance to vibration loosening while enabling rapid installation in thick materials. With partial threading optimizing stress distribution, this 14-inch steel fastener maintains joint integrity under extreme loads. The external hex drive accommodates high-torque applications where reliability is paramount. Manufactured to ASME B18.2.1 and SAE J429 specifications, this right-hand thread screw offers predictable performance in critical infrastructure projects, mining equipment, and construction applications where failure is not an option.
Specification Summary & Compliance
This inch-system fastener features precision Class 2A thread fit with 1-1/2"-6 UNC coarse threading and minimum 3-1/2" thread length. Manufactured in compliance with ASME B18.2.1 and SAE J429 standards for dimensional accuracy and mechanical properties. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets.
