S-91829A544 10-32 MS51575-25, 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.
- Precise alignment and reduced wear due to the exact 1-1/4" shoulder length with tight tolerances for stable component positioning.
- High-strength performance offering 70,000 psi tensile strength and Rockwell B55 hardness for demanding applications.
- Reliable fastening in fine-thread applications with the 10-32 UNF thread and Class 2A fit, ensuring secure, vibration-resistant connections.
- Easy installation and removal using the socket slotted drive head, compatible with standard tools for efficient maintenance.
- Compliance with stringent industry standards including MS51575-25, ensuring consistent quality and interoperability.
- Environmentally safe usage as it is RoHS 3 and REACH compliant, meeting global regulatory requirements.
Professional Applications & Engineering Value
This precision shoulder screw is engineered to address common industrial challenges such as misalignment and component wear in machinery. Made from 18-8 stainless steel with a passivated finish, it resists corrosion and extends service life in humid or chemical-exposed settings. The 10-32 UNF fine thread and Class 2A fit provide secure, tight fastening that minimizes loosening under vibration, making it ideal for industrial applications like precision instruments, automotive assemblies, and robotic systems. The 1-1/4" shoulder length with precise tolerances ensures accurate pivoting and alignment, reducing maintenance downtime and enhancing operational reliability in high-tensile strength environments.
Specification Summary & Compliance
This shoulder screw adheres to critical specifications: Thread Fit Class 2A per UNF standards, ensuring dimensional accuracy, and meets MS51575-25 manufacturing norms. It is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), confirming it is free from hazardous substances. The shoulder diameter and length tolerances (e.g., shoulder diameter: -0.001" to 0") support precise engineering fits for reliable performance in regulated industries.
