S-8077A142 2-56 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
- Exceptional mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable load-bearing in demanding applications
- Precise Class 3A thread fit ensures secure, vibration-resistant fastening with minimal backlash in assemblies
- Enhanced grip and tool engagement from the knurled socket head and 5/64" hex drive, preventing slippage during installation
- Optimized for quick assembly with UNC coarse right-hand threads, reducing installation time and effort
- Durable black oxide finish provides added wear resistance and a consistent, professional appearance
- Compliance with RoHS 3 and REACH ensures environmental safety and meets international regulatory standards
Professional Applications & Engineering Value
This 316 stainless steel shoulder screw is engineered to address critical challenges in precision machinery, automation systems, and electronic enclosures. The UNC coarse thread and Class 3A fit provide exceptional alignment and clamping force, minimizing loosening under dynamic loads. The black oxide finish on the corrosion-resistant 316 SS base enhances durability in humid or chemically aggressive settings, while the knurled socket head ensures reliable torque transmission. Ideal for pivots, spacers, and rotating assemblies, this shoulder screw delivers consistent performance in medical devices, optical equipment, and aerospace components where high tensile strength and dimensional accuracy are paramount.
Specification Summary & Compliance
This shoulder screw adheres to UNC thread standards with a Class 3A thread fit for precise engagement. Shoulder diameter tolerance is maintained between -0.004" to -0.002", and shoulder length tolerance from -0.005" to 0.005" to ensure exacting assembly requirements. The component is manufactured to comply with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for global markets and environmentally conscious industries.
