S-93075A544 6-32 x 1 1/4" ASME B18.6.3 Low-Strength Steel Hex Head Screws
Low-Strength 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
- Superior corrosion resistance with zinc plating, extending service life in demanding industrial environments
- High tensile strength of 60,000 PSI ensures reliable performance under heavy loads and vibration
- Rockwell B69 hardness provides excellent durability and resistance to wear and deformation
- Class 2A thread fit offers consistent, reliable engagement for simplified assembly and maintenance
- External hex drive design enables quick installation and removal with standard tools
- Full threading along the 1 1/4" length maximizes grip strength and load distribution
- Compliance with ASME B18.6.3 standards guarantees precision manufacturing and dimensional accuracy
Professional Applications & Engineering Value
These 6-32 UNC coarse thread hex head screws are engineered to address critical fastening challenges in industrial machinery, automotive assemblies, and electrical enclosures. The zinc plated steel construction provides essential corrosion protection in humid or chemically aggressive environments, while the coarse UNC thread design ensures rapid installation and superior resistance to loosening under dynamic loads. With 60,000 PSI tensile strength and Rockwell B69 hardness, these fully threaded screws maintain clamping force in high-vibration applications, reducing maintenance frequency and preventing equipment downtime. The external hex drive allows for high-torque installation using common tools, making them ideal for production lines and field service where speed and reliability are paramount.
Specification Summary & Compliance
This 1 1/4" hex head screw features precise Class 2A thread fit per UNC standards, ensuring consistent engagement and interchangeability. Manufacturing conforms to ASME B18.6.3 specifications for dimensional accuracy and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting environmental and safety requirements for industrial use worldwide.
