S-97832A119 3/8"-16 ASME B18.3 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, ideal for harsh industrial environments
- Precise component alignment ensured by the 1/2" shoulder diameter with tight tolerances for minimal play
- High-strength performance with 70,000 psi tensile strength and 35,000 psi shear strength for demanding applications
- Secure and reliable fastening provided by Class 3A thread fit and UNC coarse threads for vibration resistance
- Easy installation and removal with hex socket drive and knurled head for superior grip and torque application
- Extended service life thanks to Rockwell B55 hardness and durable stainless steel material
- Regulatory compliance meeting ASME B18.3 standards and environmental regulations including RoHS 3 and REACH
Professional Applications & Engineering Value
This 3/8"-16 UNC shoulder screw delivers exceptional engineering value in precision mechanical assemblies where exact alignment and rotational control are critical. The 18-8 stainless steel construction provides excellent corrosion resistance for machinery operating in demanding environments, while the 1/2" shoulder diameter with tight tolerances ensures precise bearing surfaces and component positioning. The hex socket head with knurled texture allows for high-torque installation in confined spaces, making it ideal for industrial automation equipment, precision instruments, and rotating assemblies. The Class 3A thread fit and coarse UNC threads maintain secure fastening under vibration, preventing loosening in high-stress applications while facilitating easier assembly compared to fine-thread alternatives.
Specification Summary & Compliance
This shoulder screw features precision 3/8"-16 UNC threads with Class 3A fit for superior thread engagement and dimensional accuracy. The shoulder maintains tight tolerances with diameter tolerance of -0.004" to -0.002" and length tolerance of -0.005" to 0.005". Manufactured to ASME B18.3 specifications with full compliance to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring both mechanical reliability and regulatory adherence for industrial applications.
