S-91829A209 8-32 MS51575-15, 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, ensuring long-term reliability in harsh industrial environments
- Precise component alignment through controlled shoulder diameter and length tolerances, minimizing assembly play and vibration
- High-strength performance with 70,000 psi tensile strength and Rockwell B55 hardness, suitable for demanding mechanical applications
- Easy installation and removal with standard socket head design, providing secure tool engagement in confined spaces
- Reliable thread engagement with Class 2A UNC coarse threads, ensuring consistent fastening performance and reduced cross-threading risk
- Industry-standard compliance meeting MS51575-15 specifications, guaranteeing interchangeability and quality assurance
- Environmental regulation adherence with RoHS 3 and REACH compliance, making them suitable for regulated industries worldwide
Professional Applications & Engineering Value
This 18-8 stainless steel shoulder screw with 8-32 UNC coarse thread and passivated finish delivers exceptional engineering value in precision applications where alignment and durability are critical. The precisely machined 1-1/4" shoulder length with tight tolerances provides accurate component positioning in machinery, automation systems, and precision instruments, eliminating the need for additional spacing components. The Class 2A thread fit ensures reliable fastening in industrial equipment, while the socket head design allows for efficient installation in confined spaces. The combination of 70,000 psi tensile strength and corrosion-resistant properties makes these shoulder screws ideal for demanding environments where vibration resistance and long-term performance are essential.
Specification Summary & Compliance
This precision fastener features Class 2A thread fit with 8-32 UNC coarse threads and maintains tight dimensional tolerances for shoulder diameter (-0.001" to 0") and length (0" to 0.002"). Manufactured in compliance with MS51575-15 specifications and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring both mechanical precision and regulatory compliance for industrial applications.