S-90337A495 3/8"-16 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
- Corrosion-resistant performance through 18-8 Stainless Steel construction and passivated finish, ideal for harsh industrial environments
- Precise component alignment with controlled shoulder diameter tolerance (-0.001" to 0") and length tolerance (0" to 0.002")
- Enhanced durability with 70,000 psi tensile strength and Rockwell B55 hardness for heavy-duty applications
- Space-saving installation using low-profile socket head design with 1/4" hex drive for confined spaces
- Reliable thread engagement with Class 2A fit UNC coarse threads ensuring consistent fastening performance
- Regulatory compliance meeting RoHS 3 and REACH standards for global industrial use
- Simplified maintenance with right-hand thread direction following industry-standard installation practices
Professional Applications & Engineering Value
This precision shoulder screw delivers exceptional value in applications requiring exact component positioning and rotational control. The 18-8 Stainless Steel material with passivated finish provides superior corrosion resistance for machinery operating in demanding environments. The low profile socket head design allows installation in space-constrained assemblies while maintaining high torque capability. Engineers specify this UNC thread shoulder bolt for precise alignment in rotating assemblies, pivoting mechanisms, and precision instruments where the controlled shoulder diameter and length tolerances prevent component wobble and ensure consistent performance. The Class 2A thread fit guarantees reliable engagement in high-vibration industrial equipment, reducing maintenance requirements and downtime.
Specification Summary & Compliance
This shoulder screw features 3/8"-16 UNC coarse threads with Class 2A thread fit and precise shoulder dimensions (1/2" diameter with -0.001" to 0" tolerance, 1/4" length with 0" to 0.002" tolerance). Manufactured from 18-8 Stainless Steel with passivated finish, it delivers 70,000 psi tensile strength and Rockwell B55 hardness. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations for industrial applications.
