S-90337A156 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 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments.
- Enhanced durability and strength offering 70,000 psi tensile strength and Rockwell B55 hardness for reliable, long-lasting performance.
- Precise component alignment due to the exact 3/32" shoulder diameter and tight tolerances, reducing assembly errors.
- Space-saving low-profile socket head with 5/64" hex drive, allowing easy installation in confined spaces.
- Consistent thread engagement with Class 2A UNC coarse threads, ensuring secure fastening and vibration resistance.
- Compliance with environmental standards including RoHS 3 and REACH, meeting global regulatory requirements for safe use.
- Right-hand coarse threading for quick assembly and disassembly, improving maintenance efficiency.
Professional Applications & Engineering Value
This 2-56 UNC low profile socket head shoulder screw is engineered to address critical challenges in precision machinery, electronics, and automation systems. Made from 18-8 stainless steel with a passivated finish, it resists corrosion and wear in demanding conditions, extending service life. The precise shoulder diameter and length ensure accurate positioning of components like gears and bearings, minimizing misalignment and reducing downtime. Its low-profile head and hex drive facilitate easy access in tight spaces, while the Class 2A thread fit and coarse UNC threads provide reliable, vibration-resistant connections. Ideal for applications requiring high tensile strength and compliance, this screw supports efficient assembly and maintenance in industrial settings.
Specification Summary & Compliance
This shoulder screw adheres to UNC thread standards with a Class 2A thread fit for consistent dimensional accuracy. It features a shoulder diameter of 3/32" with tight tolerances (-0.001" to 0") and a shoulder length of 1/4" (0" to 0.002" tolerance), ensuring precise assembly. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious industrial applications.
