S-92012A211 8-32 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
- Enhanced Durability & Strength: Crafted from alloy steel with a 140,000 psi tensile strength and Rockwell C32 hardness for reliable performance in demanding applications.
- Precise Alignment & Stability: Features a precise shoulder fit with minimal diameter tolerance, ensuring accurate component location and reducing assembly vibration.
- Superior Corrosion Resistance: The black oxide finish provides a protective layer, extending the screw's service life in various industrial environments.
- Efficient Installation & High Torque Capability: The socket head with a 3/32" hex drive allows for easy access and secure tightening in confined spaces.
- Reliable Thread Engagement: Class 2A thread fit on the 8-32 UNC coarse thread ensures consistent, secure fastening and compatibility with standard nuts.
- Regulatory Compliance & Safety: Meets RoHS 3 and REACH compliance standards, ensuring they are free from hazardous substances for safe use.
- Versatile Shoulder Design: The 1-1/2" shoulder length provides a stable bearing surface for pivoting parts, spacers, or guides in mechanical assemblies.
Professional Applications & Engineering Value
This precision shoulder screw is engineered to solve critical alignment and durability challenges in industrial applications. The alloy steel construction and black oxide finish combat wear and corrosion, making it ideal for machinery, automotive components, and jigs where reliable fastening is paramount. The UNC coarse thread and Class 2A fit ensure quick assembly and vibration resistance, while the precise shoulder acts as an axle or pivot, maintaining exact part positioning. This design eliminates the need for additional bushings, reducing assembly time and cost in heavy-duty equipment and precision instruments.
Specification Summary & Compliance
This shoulder screw adheres to UNC thread standards with a Class 2A thread fit for consistent engagement. The shoulder diameter tolerance is -0.001" to 0", and shoulder length tolerance is 0" to 0.002", ensuring high dimensional accuracy. It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, confirming its suitability for regulated industries and environmentally conscious procurement.
