S-97345A421 10-32 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 reliable performance in harsh environments
- Precise component alignment through Class 3A thread fit ensuring consistent assembly accuracy
- Enhanced torque transmission with knurled socket head design preventing tool slippage during installation
- High mechanical strength delivering 70,000 psi tensile strength for demanding industrial applications
- Optimized shear resistance with 35,000 psi minimum shear strength for improved joint integrity
- Industry-standard compatibility meeting ASME B18.3 specifications for guaranteed interchangeability
- Environmental compliance with RoHS 3 and REACH regulations for safe usage across global markets
Professional Applications & Engineering Value
This 316 stainless steel shoulder screw with 10-32 UNF fine thread addresses critical engineering challenges in precision assemblies. The Class 3A thread fit maintains tight tolerances for applications requiring exact component positioning, while the knurled socket head ensures secure tool engagement in high-vibration environments. The corrosion-resistant material performs exceptionally in chemical processing, marine, and food-grade applications where moisture resistance is paramount. The precisely machined shoulder provides reliable bearing surfaces for rotating components in machinery, automation systems, and precision instruments, eliminating the need for additional spacers or bushings. With its high tensile strength and Rockwell B79 hardness, this fastener delivers long-term reliability in dynamic load conditions.
Specification Summary & Compliance
Manufactured to ASME B18.3 standards with Class 3A thread fit precision, this shoulder screw maintains dimensional accuracy across all critical parameters. The 10-32 UNF fine thread configuration ensures secure fastening in applications requiring fine adjustment capabilities. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations guarantees environmental safety and material transparency. Shoulder diameter tolerance is maintained at -0.004" to -0.002" with shoulder length tolerance of -0.005" to 0.005" for consistent performance in precision assemblies.
