S-8077A411 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 construction, ideal for harsh environments and extended service life.
- Enhanced durability and wear resistance from the Black Oxide finish, providing added protection against rust and galling.
- High-strength performance offering 70,000 psi tensile and 35,000 psi shear strength for reliable load-bearing in demanding applications.
- Precise assembly and alignment ensured by the Class 3A thread fit and standard shoulder fit, minimizing play and vibration.
- Secure, non-slip fastening with a knurled socket head and hex drive, allowing for high-torque installation and easy maintenance.
- Broad industry compliance meeting ASME B18.3, RoHS 3, and REACH standards for quality, safety, and environmental regulations.
- Optimized for precision machinery with fine UNF threads and consistent shoulder dimensions, ensuring accurate positioning and smooth operation.
Professional Applications & Engineering Value
This 10-32 UNF shoulder screw is engineered to address critical challenges in precision assemblies, such as misalignment and component wear. Crafted from 316 Stainless Steel, it offers exceptional resistance to corrosion from chemicals, moisture, and salt, making it suitable for marine, chemical processing, and outdoor equipment. The Black Oxide finish reduces friction and prevents seizing, while the Class 3A thread fit and standardized shoulder provide tight tolerances for accurate pivoting and rotational movements in machinery, robotics, and automotive systems. Its socket head with hex drive and knurled texture ensures secure handling during installation, reducing the risk of stripping and enhancing maintenance efficiency in high-vibration environments.
Specification Summary & Compliance
This shoulder screw adheres to precise dimensional standards, including a Class 3A thread fit for tight tolerances and a shoulder diameter of 1/4" with tolerances from -0.004" to -0.002". It conforms to ASME B18.3 specifications for consistency and reliability. Additionally, it is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring it meets stringent environmental and safety regulations for industrial use.
