S-8077A382 10-32 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 material, ideal for harsh environments and chemical exposure.
- Enhanced durability and wear resistance from the black oxide finish, reducing maintenance and replacement frequency.
- Precise alignment and secure positioning with a Class 3A thread fit and standard shoulder, minimizing assembly errors.
- High mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for demanding industrial applications.
- Easy installation and removal with a hex socket drive and knurled head, providing a firm grip and reducing tool slippage.
- Reliable performance in fine-thread applications using 10-32 UNF threads for secure fastening in precision assemblies.
- Compliance with industry standards including ASME B18.3, RoHS 3, and REACH, ensuring safety and environmental responsibility.
Professional Applications & Engineering Value
This 316 stainless steel shoulder screw is engineered to address common industrial challenges such as misalignment, corrosion, and mechanical failure. The black oxide finish enhances surface hardness and provides a protective layer against oxidation, making it suitable for applications in machinery, automotive, and marine environments where moisture and chemicals are present. The Class 3A thread fit and UNF fine threads ensure tight, vibration-resistant connections in precision equipment like robotics, conveyor systems, and electronic enclosures. Its high tensile and shear strength supports heavy-duty use, reducing downtime and maintenance costs while the knurled head and hex drive facilitate quick, secure installation in confined spaces.
Specification Summary & Compliance
This shoulder screw adheres to Class 3A thread fit tolerances for precise engagement, with thread specifications of 10-32 UNF and a shoulder diameter tolerance of -0.004" to -0.002". It meets ASME B18.3 standards for dimensional accuracy and performance, and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial use.
