S-94035A232 5/16"-18 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 thanks to 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments.
- Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B55 hardness for reliable performance under high stress.
- Precise alignment and smooth rotation ensured by the 2 1/4" shoulder with tight diameter and length tolerances for accurate component positioning.
- Easy installation and high torque capability with the 3/16" hex socket drive, reducing tool slippage and assembly time.
- Consistent thread engagement with Class 2A UNC coarse threads, providing secure fastening and vibration resistance.
- Compliance with environmental regulations including RoHS 3 and REACH, ensuring safe use in regulated industries.
- Durable and long-lasting performance due to the robust material and precise manufacturing, minimizing replacement needs.
Professional Applications & Engineering Value
This 18-8 stainless steel shoulder screw is engineered to address critical alignment challenges in mechanical assemblies, such as in machinery, automotive, and aerospace components. The 2 1/4" precise shoulder length with controlled tolerances allows for exact positioning of parts, reducing wear and misalignment issues. Featuring a 5/16"-18 UNC coarse thread and Class 2A fit, it ensures reliable fastening in high-vibration environments, while the hex socket head enables efficient installation in confined spaces. The passivated finish enhances corrosion resistance, making it suitable for demanding applications where durability and regulatory compliance, like RoHS and REACH, are essential for long-term operational integrity.
Specification Summary & Compliance
This shoulder screw adheres to UNC thread standards with a Class 2A thread fit for consistent dimensional accuracy. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental safety. Key specifications include a shoulder diameter tolerance of -0.001" to 0" and shoulder length tolerance of 0" to 0.002" for precise engineering applications.
