S-8077A764 1/2"-13 ASME B18.3 Shoulder Screws
Shoulder 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 corrosion resistance with 316 stainless steel construction, ideal for harsh industrial and marine environments
- Enhanced durability and wear resistance from the black oxide finish, providing long-lasting performance
- Precise alignment and reduced wear due to the knurled head and standard shoulder fit for secure component positioning
- High load-bearing capacity with 70,000 psi tensile strength and 35,000 psi shear strength for demanding applications
- Reliable thread engagement ensured by Class 3A thread fit and coarse UNC threading for quick assembly
- Easy installation and removal with hex drive socket head design, requiring minimal tool space
- Compliance with industry standards including ASME B18.3, RoHS, and REACH for quality assurance and environmental safety
Professional Applications & Engineering Value
This 316 stainless steel shoulder screw is engineered to address critical challenges in industrial fastening, where corrosion resistance and high tensile strength are paramount. The black oxide finish not only enhances durability but also reduces friction during assembly, making it ideal for machinery, automotive, and aerospace components. The 1/2"-13 UNC coarse thread and Class 3A thread fit ensure secure, vibration-resistant connections in high-stress environments, while the knurled head provides improved grip for precise alignment. Its shoulder design supports rotational movements and bearing applications, reducing wear and maintenance costs in heavy-duty equipment.
Specification Summary & Compliance
This shoulder screw features a Class 3A thread fit with UNC coarse threading for precise tolerance, and adheres to ASME B18.3 manufacturing standards. It is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety. Dimensions include a shoulder diameter tolerance of -0.004" to -0.002" and length tolerance of -0.005" to 0.005" for consistent performance in industrial fastener applications.
