S-97345A482 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, ideal for harsh industrial environments and chemical exposure
- Precise alignment and smooth rotation due to Class 3A thread fit and standard shoulder fit, reducing assembly errors and wear
- High-strength performance with 70,000 psi tensile strength and 35,000 psi minimum shear strength for demanding mechanical applications
- Enhanced grip and tool engagement from the knurled socket head and hex drive design, preventing slippage during installation
- Reliable dimensional stability with tight shoulder diameter and length tolerances, ensuring consistent part mating
- Compliance with industry standards including ASME B18.3, RoHS 3, and REACH, guaranteeing safety and regulatory adherence
- Optimized for fine-thread applications using 10-32 UNF threads, providing secure fastening in precision assemblies
Professional Applications & Engineering Value
This 316 stainless steel shoulder screw is engineered to address critical challenges in precision machinery, such as misalignment and corrosion-induced failure. The Class 3A thread fit and UNF fine thread design ensure minimal backlash and vibration resistance, crucial for high-accuracy equipment like CNC systems and optical devices. The knurled socket head enhances torque application, while the standard shoulder provides a stable bearing surface for rotating components. With excellent corrosion resistance, it performs reliably in marine, chemical processing, and medical applications, reducing maintenance costs and downtime. Compliant with ASME B18.3, it meets rigorous industrial specifications for consistency and safety.
Specification Summary & Compliance
The screw features a 10-32 UNF fine thread with Class 3A fit for precise engagement, and shoulder dimensions including a diameter of 1/4" (tolerance: -0.004" to -0.002") and length of 11/16" (tolerance: -0.005" to 0.005"). It adheres to ASME B18.3 manufacturing standards and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity.
