S-91410A776 1/2"-13 x 5/8" 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
- Superior holding power with coarse UNC threads that resist loosening under vibration and heavy loads
- High-strength steel construction with Rockwell B80 hardness for exceptional durability and wear resistance
- Easy installation and removal thanks to the external square head design that provides secure tool engagement
- Reliable thread engagement ensured by Class 2A thread fit for consistent performance in industrial assemblies
- Secure locking capability from the cup tip design that bites into surfaces to prevent component movement
- Compliance with industry standards including ASME B18.6.2 for guaranteed dimensional accuracy and performance
- Environmental regulation compliance with RoHS 3 and REACH for use in regulated industries worldwide
Professional Applications & Engineering Value
This 1/2"-13 UNC steel square head set screw delivers exceptional engineering value in demanding industrial applications where vibration resistance and permanent positioning are critical. The combination of high-strength steel material and Rockwell B80 hardness ensures the fastener maintains its structural integrity under repeated stress, while the coarse thread spacing provides superior grip in softer materials or where frequent adjustments aren't required. The external square drive and cup tip design work together to create a reliable fastening solution that prevents slippage during installation and maintains secure positioning in pulleys, gears, collars, and other power transmission components. This industrial set screw is specifically engineered to solve common challenges of component creep and misalignment in heavy machinery, automotive systems, and manufacturing equipment.
Specification Summary & Compliance
This set screw features precise Class 2A thread fit according to UNC standards with 1/2"-13 coarse thread specification and 5/8" length. Manufacturing complies with ASME B18.6.2 standards for dimensional accuracy and performance requirements. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors without hazardous substance restrictions.
