S-8077A776 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 environments and chemical exposure
- Enhanced durability and wear resistance from the black oxide finish, providing long-lasting performance under heavy use
- High tensile strength of 70,000 psi ensures reliable load-bearing capacity for demanding mechanical applications
- Precise Class 3A thread fit guarantees secure, vibration-resistant connections with minimal risk of loosening
- Knurled head design offers improved grip during manual installation and adjustment, reducing slippage
- 5/16" hex drive compatibility allows for easy installation with standard industrial tools, saving assembly time
- Compliance with ASME B18.3, RoHS 3, and REACH ensures adherence to strict quality, safety, and environmental standards
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 in humid or chemical-laden environments. The UNC coarse threading and Class 3A thread fit provide exceptional holding power and vibration resistance, making it ideal for machinery, automotive assemblies, and precision equipment where high tensile strength and reliability are paramount. The knurled head enhances handling during installation, while the hex drive ensures compatibility with standard tools, streamlining maintenance and reducing downtime in industrial fastener applications.
Specification Summary & Compliance
This shoulder screw features a 1/2"-13 UNC coarse thread with Class 3A precision tolerance, ensuring accurate and secure fits. It conforms to ASME B18.3 manufacturing specifications and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing safety and environmental responsibility. The shoulder dimensions, including diameter and length tolerances, are tightly controlled for consistent performance in high-stress applications.
