S-8077A145 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 chemical exposure.
- Exceptional mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable load-bearing in demanding applications.
- Precise thread engagement with Class 3A fit and UNC coarse threading, ensuring secure fastening and vibration resistance.
- Enhanced durability and wear resistance from the black oxide finish, which also reduces light reflection.
- Secure and easy installation with a knurled socket head and 5/64" hex drive, providing a firm grip and reducing tool slippage.
- Accurate alignment and spacing due to the 1-1/2" shoulder with tight tolerances, maintaining component positioning.
- Compliance with environmental regulations, being RoHS 3 and REACH compliant for safe use in various industries.
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 UNC coarse thread and Class 3A fit provide robust fastening in high-vibration settings, while the black oxide finish enhances corrosion resistance, making it suitable for marine, chemical processing, and outdoor equipment. The precise 1-1/2" shoulder length with minimal tolerances ensures accurate pivot points and bearing surfaces in machinery, reducing wear and maintenance costs. Ideal for applications like precision assemblies and rotating components, it delivers long-term reliability and performance.
Specification Summary & Compliance
This shoulder screw adheres to UNC thread standards with a Class 3A thread fit for high precision. Dimensions include a shoulder diameter of 3/32" with a tolerance of -0.004" to -0.002" and a shoulder length of 1-1/2" with a tolerance of -0.005" to 0.005". It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances for industrial and international use.
