S-91385A712 1/2"-13 x 1" ASME B18.3, ASTM F912 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
- Secure vibration-resistant locking with Nylon Patch thread locker that maintains integrity across extreme temperatures from -50°F to 250°F
- Exceptional durability and corrosion resistance due to Black-Oxide Alloy Steel construction with Rockwell C45 hardness
- Precise, reliable thread engagement with Class 3A UNC coarse threads ensuring tight, secure fits in demanding applications
- Easy installation and removal with 1/4" hex drive in a headless design, ideal for confined spaces
- Enhanced gripping power from the cup tip design that digs into surfaces without causing damage
- Compliance with industry standards including ASME B18.3, RoHS 3, and REACH for safe, regulated use
- Versatile right-hand threading for standard assembly processes in various industrial settings
Professional Applications & Engineering Value
This 1/2"-13 UNC set screw is engineered to address common industrial challenges like component slippage and vibration-induced loosening in machinery, automotive, and heavy equipment. The Black-Oxide Alloy Steel material provides superior strength and resistance to wear, while the Nylon Patch thread locker ensures lasting fastening without the need for additional adhesives. Its headless hex drive design allows for flush mounting in tight spaces, making it ideal for securing gears, pulleys, and collars. With Class 3A thread fit and coarse threading, it offers quick assembly and high clamping force, reducing maintenance downtime and improving operational reliability in industrial set screw applications.
Specification Summary & Compliance
This set screw features a 1/2"-13 UNC coarse thread with Class 3A precision tolerance for accurate fit and high strength. It complies with ASME B18.3 manufacturing specifications and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring safety and regulatory adherence. The thread locker is rated for temperatures from -50°F to 250°F, supporting reliable performance in varied conditions.
