S-97345A261 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 ensured by the 1/2" shoulder diameter with tight tolerance control
- High-strength performance delivering 70,000 psi tensile strength and 35,000 psi shear strength for demanding applications
- Secure installation and removal facilitated by the knurled socket head with 1/4" hex drive
- Reliable thread engagement with Class 3A fit UNC coarse threads for vibration resistance
- Industry-standard compliance meeting ASME B18.3 specifications for consistent quality
- Environmental regulation adherence with RoHS 3 and REACH compliance for global supply chain integration
Professional Applications & Engineering Value
This 316 stainless steel shoulder screw provides exceptional value in precision assembly applications where corrosion resistance and dimensional accuracy are critical. The UNC coarse thread with Class 3A fit ensures reliable performance in vibrating environments, while the precisely machined shoulder maintains accurate component positioning in machinery, automation systems, and precision instruments. The knurled socket head with hex drive allows for secure torque application without slippage, reducing installation damage and maintenance downtime. Ideal for industrial equipment, marine applications, and chemical processing environments where corrosion resistant fasteners are essential for long-term operational reliability.
Specification Summary & Compliance
This shoulder screw features 3/8"-16 UNC thread with Class 3A fit precision tolerance, manufactured to ASME B18.3 specifications. The shoulder diameter maintains -0.004" to -0.002" tolerance with shoulder length controlled within -0.005" to 0.005" range. The fastener is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for regulated industrial applications worldwide.
