S-91264A714 1/2"-13 ASME B18.3, ASTM A574 Shoulder Screws
Shoulder Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior vibration resistance with integrated nylon pellet thread locker that maintains secure fastening from -50° to 250°F
- Exceptional load-bearing capacity from alloy steel construction with 140,000 psi tensile strength and 84,000 psi shear strength
- Precise component alignment through Class 3A thread fit and controlled shoulder diameter tolerances (-0.004" to -0.002")
- Enhanced corrosion protection with black oxide finish for extended service life in demanding environments
- Secure installation and removal with 5/16" hex drive socket and knurled head for improved grip during torque application
- Reliable industrial performance backed by Rockwell C32 hardness and compliance with ASME B18.3 and ASTM A574 standards
- Environmental compliance assurance meeting RoHS 3 and REACH regulations for global manufacturing applications
Professional Applications & Engineering Value
This high-strength shoulder screw addresses critical alignment and vibration challenges in heavy-duty industrial applications. The alloy steel construction with black oxide finish provides exceptional durability against wear and corrosion in machinery, automotive, and manufacturing equipment. The 1/2"-13 UNC coarse threads with Class 3A fit ensure precise engagement while the integrated nylon pellet thread locker prevents loosening under extreme vibration conditions. The knurled socket head with 5/16" hex drive facilitates secure installation in confined spaces, making it ideal for precision assemblies requiring maintained alignment and reliable fastening in rotating machinery, pivot points, and structural components.
Specification Summary & Compliance
Manufactured to exacting standards with Class 3A thread fit and controlled shoulder diameter tolerance of -0.004" to -0.002". Complies with ASME B18.3 dimensional specifications and ASTM A574 material requirements. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance standards. Features right-hand UNC coarse threads with 3/4" thread length and 1-1/4" shoulder length for precise component spacing and alignment.
