S-8077A697 8-32 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 material and black oxide finish, ideal for harsh industrial environments
- High tensile strength of 70,000 psi ensures reliable performance under heavy loads and mechanical stress
- Precise Class 3A thread fit guarantees tight tolerances and secure fastening in critical assemblies
- Knurled socket head with hex drive provides excellent grip and torque application, reducing installation time
- Compliance with RoHS 3 and REACH regulations ensures environmental safety and global market acceptance
- Coarse UNC thread design enables quick assembly and disassembly, improving maintenance efficiency
- Durable shoulder section with controlled tolerances offers stable alignment for rotating components
Professional Applications & Engineering Value
This 8-32 UNC thread shoulder screw is engineered to address common industrial challenges such as misalignment, corrosion, and mechanical failure. The 316 stainless steel construction combined with a black oxide finish provides exceptional resistance to chemicals and moisture, making it suitable for marine, chemical processing, and outdoor equipment. The Class 3A thread fit ensures minimal backlash in precision machinery, while the knurled socket head allows for secure tool engagement in confined spaces. Ideal for applications in robotics, automotive assemblies, and conveyor systems, this screw enhances operational reliability and reduces maintenance downtime.
Specification Summary & Compliance
This shoulder screw features a Class 3A thread fit with UNC coarse threads, ensuring high precision in accordance with industry standards. The shoulder diameter tolerance is -0.004" to -0.002", and shoulder length tolerance is -0.005" to 0.005" for consistent performance. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for regulated environments. Manufactured to meet rigorous mechanical properties, including a tensile strength of 70,000 psi and Rockwell B79 hardness, it adheres to quality and safety benchmarks for industrial use.
