S-90337A365 2-56 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 environments
- Precise alignment and reduced vibration due to the 3/32" shoulder diameter with tight tolerance for stable component mounting
- High-strength performance offering 70,000 psi tensile strength and Rockwell B55 hardness for demanding applications
- Easy installation in confined spaces with low-profile socket head and 5/64" hex drive for secure, flush mounting
- Reliable thread engagement with Class 2A UNC coarse threads ensuring consistent fastening and reduced cross-threading risk
- Extended service life from durable materials and precise shoulder length (7/8") for reduced wear in dynamic assemblies
- Compliance with global standards including RoHS 3 and REACH, ensuring safety and environmental responsibility
Professional Applications & Engineering Value
This precision shoulder screw is engineered to address common industrial challenges such as misalignment, component wear, and corrosion in machinery. The 18-8 stainless steel material, combined with a passivated finish, provides excellent resistance to rust and chemicals, making it suitable for demanding environments like automotive assemblies, electronics, and precision instruments. The low-profile socket head and hex drive allow for easy installation in tight spaces, while the UNC coarse thread and Class 2A fit ensure quick, reliable fastening without compromising strength. The precise shoulder diameter and length help maintain alignment in rotating parts, reducing vibration and extending the lifespan of connected components, which is critical for B2B industrial applications requiring durability and minimal maintenance.
Specification Summary & Compliance
This shoulder screw adheres to Class 2A thread fit for consistent dimensional accuracy and features a 3/32" shoulder diameter with a tolerance of -0.001" to 0" and a 7/8" shoulder length with 0" to 0.002" tolerance for precise assembly. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety standards for industrial use.
