S-91410A793 5/8"-11 x 4 1/2" ASME B18.6.2 Set Screws
Set 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
- Maximum torque transmission through the square head design for secure tightening in demanding applications
- Superior holding power with coarse UNC threads that resist loosening under vibration and heavy loads
- Enhanced durability from Rockwell B80 hardness steel construction that withstands wear and deformation
- Precise thread engagement with Class 2A fit ensuring reliable fastening and easy assembly
- Secure component positioning via the cup tip that digs into surfaces to prevent slippage
- Broad industrial compatibility with external square drive allowing use with standard tools
- Regulatory compliance assurance meeting ASME B18.6.2 specifications for quality and performance
Professional Applications & Engineering Value
This heavy-duty square head set screw addresses critical challenges in industrial machinery and equipment assembly where vibration resistance and permanent positioning are paramount. The 5/8"-11 UNC coarse thread configuration provides rapid installation while maintaining exceptional clamping force, preventing component drift in high-stress environments. Manufactured from Rockwell B80 hardness steel, the fastener delivers reliable performance in applications requiring repeated adjustments without thread deformation. The combination of external square drive and cup tip design ensures maximum torque application while creating positive mechanical locking against rotating shafts, pulleys, and gears. These industrial set screws are engineered for permanent fastening solutions in manufacturing, automotive, and heavy equipment sectors where failure is not an option.
Specification Summary & Compliance
This set screw maintains Class 2A thread fit tolerances per UNC standards, ensuring consistent performance across industrial applications. The product strictly adheres to ASME B18.6.2 manufacturing specifications for dimensional accuracy and mechanical properties. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations confirms environmental responsibility and workplace safety standards, making it suitable for global industrial supply chains.
