S-91829A202 8-32 MS51575-7, 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 passivated finish, ideal for harsh industrial environments.
- Precise alignment and secure positioning ensured by a 3/16" diameter shoulder with tight tolerances for minimal play.
- High mechanical strength and durability from 70,000 psi tensile strength and Rockwell B55 hardness for reliable performance under load.
- Easy installation and removal with a standard socket head and coarse UNC thread for efficient assembly.
- Consistent thread engagement provided by Class 2A thread fit, reducing the risk of cross-threading.
- Compliance with strict industry standards including MS51575-7, RoHS 3, and REACH for quality and environmental safety.
- Versatile right-hand threading suitable for a wide range of machinery and equipment applications.
Professional Applications & Engineering Value
This 8-32 UNC shoulder screw is engineered to address critical alignment challenges in precision assemblies. The 3/16" shoulder diameter provides a stable bearing surface, minimizing component misalignment and wear in rotating parts, linkages, and pivoting mechanisms. Made from 18-8 Stainless Steel with a passivated finish, it resists corrosion in demanding environments such as automotive, aerospace, and industrial machinery. The coarse thread spacing and Class 2A thread fit ensure quick, secure fastening with reduced installation time, while the socket head design allows for high torque application in confined spaces. Ideal for applications requiring repeatable precision and durability, this shoulder screw enhances assembly reliability and longevity.
Specification Summary & Compliance
This shoulder screw features a Class 2A thread fit with UNC threading for standard compatibility. It adheres to MS51575-7 (NASM51575) specifications, ensuring dimensional accuracy and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmental and safety standards in global supply chains.
