S-93691A230 8-32 MS51576-12, NASM51576 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 for extended service life in harsh environments
- Precise component alignment ensured by the 3/16" shoulder diameter with tight tolerance for reduced vibration and wear
- High-strength performance with 70,000 psi tensile strength and Rockwell B55 hardness for demanding industrial applications
- Secure and efficient installation using the hex socket head design, preventing cam-out and enabling high torque application
- Reliable thread engagement with Class 2A UNC coarse threads providing consistent fastening and easy assembly
- Compliance with stringent standards including MS51576-12, ensuring consistent quality and interchangeability
- Environmental responsibility through RoHS 3 and REACH compliance, meeting global regulatory requirements
Professional Applications & Engineering Value
This 8-32 UNC shoulder screw delivers exceptional engineering value in precision assemblies where alignment and durability are critical. The 18-8 stainless steel construction combined with a passivated finish provides excellent resistance to corrosion and chemical exposure, making it ideal for machinery, automotive, and electronic enclosures operating in challenging conditions. The 3/16" shoulder length with precise fit tolerance acts as a dependable pivot or spacer, minimizing part movement and reducing stress concentrations. Its hex socket head allows for compact installation in confined spaces while the Class 2A thread fit ensures reliable performance in high-vibration environments, solving common issues of loosening and misalignment in industrial equipment.
Specification Summary & Compliance
This shoulder screw features a Class 2A thread fit with UNC coarse threads (8-32 size) and a shoulder diameter tolerance of -0.001" to 0". It is manufactured to meet MS51576-12 specifications and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to international quality and environmental standards.
