S-8077A566 1/2"-13 ASME B18.3 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 corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments and chemical exposure
- Enhanced durability and wear resistance from the black oxide finish, providing long-lasting performance and reduced maintenance
- High-strength performance with 70,000 psi tensile and 35,000 psi shear strength, ensuring reliable load-bearing in demanding applications
- Precise thread engagement with Class 3A fit for secure fastening and reduced risk of loosening under vibration
- Easy installation and removal thanks to the hex socket drive and knurled head for improved grip and torque application
- Accurate alignment and spacing with a 1/2" shoulder diameter, minimizing component misalignment in assemblies
- Compliance with industry standards including ASME B18.3, RoHS, and REACH, ensuring safety and regulatory adherence
Professional Applications & Engineering Value
This 316 stainless steel shoulder screw with black oxide finish is engineered to address critical challenges in industrial settings, such as corrosion, high stress, and precise alignment requirements. The UNC coarse thread and Class 3A thread fit provide reliable fastening in machinery, automotive, and aerospace applications, reducing downtime from thread wear or failure. The socket head design with hex drive allows for efficient installation in confined spaces, while the knurled texture enhances handling. Its high tensile and shear strength ensures stability under dynamic loads, making it ideal for pivots, guides, and rotating assemblies where durability and precision are paramount.
Specification Summary & Compliance
This shoulder screw features a 1/2"-13 UNC thread with Class 3A thread fit for precise tolerance, along with a shoulder diameter of 3/4" and length of 1/2" with tight tolerances. It meets ASME B18.3 specifications for dimensional accuracy and is compliant with RoHS 3 and REACH regulations, ensuring environmental safety and material integrity in industrial use.
