S-94731A400 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
- Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
- Precise component alignment enabled by the 1/2" shoulder diameter and standard shoulder fit
- High-strength performance with 70,000 psi tensile strength and 35,000 psi shear strength for demanding applications
- Reliable thread engagement ensured by Class 2A UNC coarse threads for easier assembly and vibration resistance
- Easy installation and removal with external hex drive and smooth hex head design
- Enhanced durability from Rockwell B55 hardness, providing excellent wear resistance
- Global compliance assurance meeting RoHS 3 and REACH regulations for safe, unrestricted use
Professional Applications & Engineering Value
This 3/8"-16 UNC shoulder screw delivers critical engineering value in precision assembly systems. The 18-8 stainless steel material provides exceptional corrosion resistance, making it suitable for machinery exposed to moisture, chemicals, or outdoor elements. The precisely machined 1/2" shoulder diameter acts as a built-in spacer or pivot point, eliminating the need for additional components in mounting and pivot applications. With Class 2A thread fit and coarse UNC threads, it ensures rapid assembly while maintaining secure fastening in high-vibration environments. The external hex drive allows for high-torque installation, making this shoulder bolt indispensable in automated equipment, conveyor systems, and precision instruments where alignment accuracy and structural integrity are paramount.
Specification Summary & Compliance
This shoulder screw maintains Class 2A thread fit with UNC coarse thread standards, ensuring dimensional accuracy and interchangeability. The shoulder diameter tolerance is controlled within -0.004" to 0", while shoulder length tolerance is maintained at -0.005" to 0.005" for precise positioning. Manufactured to industry standards, this component is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting the latest environmental regulations for hazardous substance restrictions.
