S-97345A496 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 in harsh environments due to 316 Stainless Steel construction
- Exceptional thread precision and reliability with Class 3A fit and 10-32 UNF fine thread for secure, vibration-resistant assemblies
- High mechanical strength with 70,000 psi tensile strength and 35,000 psi minimum shear strength for demanding applications
- Secure and easy installation with hex socket drive and knurled head for improved grip during torque application
- Accurate component alignment provided by the precisely machined shoulder with controlled diameter and length tolerances
- Full regulatory compliance meeting ASME B18.3 specifications and environmental standards including RoHS 3 and REACH
- Enhanced durability with Rockwell B79 hardness for long service life in industrial settings
Professional Applications & Engineering Value
This 316 Stainless Steel shoulder screw delivers critical performance in precision assemblies where corrosion resistance and dimensional accuracy are paramount. The 10-32 UNF fine thread with Class 3A fit ensures tight tolerances for applications requiring minimal backlash and vibration resistance, such as in precision machinery, optical equipment, and automated manufacturing systems. The knurled socket head provides superior torque transmission while the precisely controlled shoulder diameter and length enable accurate component positioning and rotation. Engineered to ASME B18.3 standards, these shoulder screws solve alignment challenges in pivoting mechanisms, bearing mounts, and electrical insulation applications where reliable shoulder mounting is essential for operational integrity.
Specification Summary & Compliance
This precision shoulder screw features a 10-32 UNF thread with Class 3A thread fit and controlled shoulder dimensions (diameter: 1/4" with -0.004" to -0.002" tolerance; length: 15/16" with -0.005" to 0.005" tolerance). Manufactured to ASME B18.3 specifications with 70,000 psi tensile strength and Rockwell B79 hardness. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations.
