S-91829A207 8-32 MS51575-13, NASM51575 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 and a passivated finish, ensuring long-term reliability in harsh environments.
- Precise alignment and smooth rotation due to the accurately machined 3/4" shoulder with a smooth texture and tight diameter tolerance.
- High mechanical strength offering a tensile strength of 70,000 psi and Rockwell B55 hardness for demanding applications.
- Reliable and fast assembly with coarse 8-32 UNC threads and Class 2A fit, providing secure fastening with standard tools.
- Compliance with strict industry standards including MS51575-13, ensuring consistent quality and interchangeability.
- Environmentally responsible manufacturing by meeting RoHS 3 and REACH regulations, supporting sustainable procurement.
- Versatile socket head design allowing for easy installation and removal in confined spaces with standard drivers.
Professional Applications & Engineering Value
This 18-8 Stainless Steel shoulder screw is engineered to address critical alignment and wear issues in precision assemblies. Its 3/4" shoulder length and precise diameter provide a stable pivot or bearing surface, reducing friction and misalignment in machinery, automotive, and aerospace components. The 8-32 UNC coarse thread and Class 2A fit ensure quick, secure fastening, while the passivated finish enhances corrosion resistance, extending service life in humid or chemical-exposed environments. Ideal for use in jigs, fixtures, and rotating mechanisms, this screw delivers consistent performance, minimizing downtime and maintenance costs in industrial applications.
Specification Summary & Compliance
This shoulder screw adheres to MS51575-13 (NASM51575) specifications, with a Class 2A thread fit for consistent engagement. The shoulder features a diameter of 3/16" (tolerance: -0.001" to 0") and length of 3/4" (tolerance: 0" to 0.002") for precise assembly. It is manufactured in the inch system and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety standards are met.
