S-91283A452 1 1/2"-6 x 5" 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
- Exceptional Tensile Strength: Withstands up to 100,000 psi, ensuring reliable performance in high-stress industrial applications.
- Superior Hardness and Durability: Rockwell C19 hardness provides excellent resistance to wear and deformation under heavy loads.
- Optimized Thread Design: Coarse UNC threads and Class 2A fit offer quick assembly and secure fastening in various materials.
- Partially Threaded Shank: Minimum 3 1/4" thread length enhances grip and reduces the risk of thread stripping in demanding conditions.
- Heavy-Duty Hex Head: 2 1/4" width and 15/16" height with external hex drive allow for high-torque installation using standard tools.
- Compliance with Industry Standards: Meets ASME B18.2.1 and SAE J429 specifications, ensuring consistent quality and interchangeability.
- Environmental and Safety Compliance: RoHS 3 and REACH compliant, making it safe for use in regulated industries.
Professional Applications & Engineering Value
This Grade 5 hex head screw is engineered to address critical challenges in heavy machinery, construction, and structural assemblies where high tensile strength and durability are paramount. The 1 1/2"-6 UNC coarse thread design ensures rapid installation and robust holding power in steel and other rigid materials, minimizing the risk of loosening under vibration. Its partially threaded configuration provides enhanced clamping force, distributing stress effectively to prevent joint failure. Made from high-quality steel and featuring an external hex drive, it supports high-torque applications in industrial settings, offering reliable performance in equipment that demands 100,000 psi tensile strength and long-term resilience.
Specification Summary & Compliance
This screw adheres to precise dimensional standards, including a Class 2A thread fit for consistent engagement and UNC coarse threading with a 1 1/2"-6 size. It complies with ASME B18.2.1 and SAE J429 manufacturing specifications, ensuring reliability in industrial fastening. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental compliance for global use.
