S-97345A746 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 316 stainless steel construction for extended service life in harsh environments
- Precise component alignment through controlled shoulder diameter (5/8") and length (5/16") tolerances
- High-load bearing capability with 70,000 psi tensile strength and 35,000 psi shear strength for demanding applications
- Secure installation and removal with hex socket drive and knurled head for enhanced grip during torque application
- Reliable thread engagement featuring Class 3A UNC coarse threads for superior fastening precision
- Industry compliance assurance meeting ASME B18.3 standards and environmental regulations (RoHS 3, REACH)
- Optimized for repetitive use with Rockwell B79 hardness providing excellent wear resistance
Professional Applications & Engineering Value
This 316 stainless steel shoulder screw delivers critical engineering solutions where precision alignment and corrosion resistance are paramount. The knurled socket head with hex drive ensures secure torque transmission in confined spaces, while the precisely machined shoulder diameter maintains accurate component positioning in rotating assemblies, pivoting mechanisms, and precision machinery. The Class 3A UNC coarse thread provides superior engagement in high-vibration environments common in industrial equipment, automotive systems, and marine applications. Manufactured from Rockwell B79 hardened material, this fastener withstands repetitive loading cycles without deformation, making it ideal for production equipment, conveyor systems, and robotic assemblies where reliability and dimensional stability are critical.
Specification Summary & Compliance
This shoulder screw features precision Class 3A thread fit with 3/8"-16 UNC coarse thread specification and controlled shoulder diameter tolerance (-0.004" to -0.002") for exacting assembly requirements. Manufactured in compliance with ASME B18.3 standards, the component meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for global industrial applications requiring strict material compliance and performance verification.
