S-91829A200 8-32 MS51575-9, 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 construction and passivated finish, ideal for harsh industrial environments.
- Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B55 hardness for reliable, heavy-duty performance.
- Precise component alignment ensured by the smooth, precisely machined 3/16" diameter shoulder with tight tolerances.
- Wide compatibility and easy assembly with standard 8-32 UNC coarse threads and Class 2A thread fit.
- Secure and flush installation facilitated by the socket head design, allowing for high torque application.
- Regulatory compliance assurance by meeting MS51575-9 specifications and being RoHS 3 and REACH compliant.
- Durable, long-lasting performance due to the robust material and precise manufacturing, reducing replacement frequency.
Professional Applications & Engineering Value
This precision 8-32 UNC shoulder screw, crafted from 18-8 stainless steel with a passivated finish, is engineered to address critical challenges in mechanical assemblies. Its 3/16" shoulder diameter and 5/16" shoulder length provide an exact pivot point or spacer, minimizing misalignment and wear in rotating parts, linkages, and precision instruments. The coarse UNC threads and Class 2A fit ensure quick, secure fastening in industrial applications such as machinery, automotive systems, and electronic enclosures. With high tensile strength and corrosion resistance, it delivers reliable performance under stress and in corrosive settings, reducing maintenance needs and enhancing operational lifespan.
Specification Summary & Compliance
This shoulder screw features a Class 2A thread fit for standard UNC 8-32 threading, ensuring dimensional accuracy and interchangeability. It adheres to the MS51575-9 manufacturing specification, guaranteeing consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and suitable for global industrial use.
