S-90337A322 10-32 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
- Superior corrosion resistance from 18-8 stainless steel and passivated finish, ideal for harsh environments.
- High-strength performance with 70,000 psi tensile strength and Rockwell B55 hardness for reliable, long-lasting assemblies.
- Precise alignment and smooth rotation ensured by the accurately machined shoulder with minimal diameter and length tolerances.
- Easy installation in confined spaces with the low-profile socket head and standard 1/8" hex drive.
- Secure, vibration-resistant fastening thanks to the Class 2A thread fit and 10-32 UNF fine thread design.
- Compliance with major environmental regulations including RoHS 3 and REACH, ensuring safe and sustainable use.
- Consistent quality and interchangeability through adherence to standard UNF thread specifications.
Professional Applications & Engineering Value
This precision shoulder screw is engineered for applications requiring exact positioning and robust performance. The 18-8 stainless steel construction, enhanced by a passivated finish, provides excellent resistance to corrosion and wear, making it suitable for machinery, automotive, and electronic assemblies exposed to moisture or chemicals. The low profile socket head with a hex drive allows for efficient tightening in tight spaces, while the precise shoulder diameter and length ensure accurate component alignment and reduced wear on moving parts. With a Class 2A thread fit and 10-32 UNF fine threads, it delivers secure fastening that minimizes loosening under vibration, enhancing the reliability of your industrial equipment and reducing maintenance needs.
Specification Summary & Compliance
This shoulder screw features a Class 2A thread fit for consistent engagement and a UNF thread type with fine spacing. Shoulder dimensions include a diameter of 1/4" (tolerance: -0.001" to 0") and length of 9/16" (tolerance: 0" to 0.002") for precise fits. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material sustainability in industrial applications.
