S-91829A208 8-32 MS51575-14, 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 from 18-8 stainless steel and passivated finish, ensuring longevity in harsh industrial environments.
- Precise alignment and reduced wear with a 1" shoulder length and tight diameter tolerance, providing stable pivoting and locating functions.
- High mechanical strength with 70,000 psi tensile strength and Rockwell B55 hardness, suitable for heavy-duty applications.
- Reliable thread engagement through UNC coarse threads and Class 2A fit, enabling quick assembly and vibration resistance.
- Secure and flush installation with a standard socket head, allowing high torque application and a smooth surface profile.
- Compliance with stringent standards including MS51575-14, RoHS 3, and REACH, ensuring safety and regulatory adherence.
- Versatile right-hand threading for standard installation processes, improving compatibility and ease of use in various machinery.
Professional Applications & Engineering Value
This 18-8 stainless steel shoulder screw is engineered to address critical alignment and durability challenges in precision assemblies. The 1" shoulder length with minimal tolerance provides a stable bearing surface, reducing misalignment and wear in rotating components like gears, pulleys, and linkages. The UNC coarse thread and Class 2A fit ensure secure fastening even under vibrational stresses, while the passivated finish enhances corrosion resistance in moist or chemical-exposed settings. Ideal for industrial automation, automotive systems, and electronic enclosures, this fastener delivers consistent performance by combining high tensile strength and precise dimensions, minimizing downtime and maintenance costs.
Specification Summary & Compliance
This shoulder screw adheres to MS51575-14 specifications, with a Class 2A thread fit for standard UNC 8-32 threading and precise shoulder dimensions (e.g., diameter tolerance of -0.001" to 0"). It is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring environmental safety and regulatory acceptance in global markets.
