S-97832A372 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 18-8 Stainless Steel construction, ensuring long-term reliability in harsh industrial environments.
- Enhanced load-bearing capacity from 70,000 psi tensile strength and 35,000 psi minimum shear strength, providing dependable performance under stress.
- Precise alignment and reduced wear due to the 3/4" shoulder length with tight tolerances, minimizing component misalignment.
- Secure fastening with minimal slippage thanks to the knurled socket head and 5/16" hex drive, offering improved torque application.
- Consistent thread engagement with Class 3A thread fit and coarse UNC threading, facilitating quick assembly and disassembly.
- Compliance with industry standards including ASME B18.3, RoHS 3, and REACH, ensuring safety and regulatory adherence.
- Durable performance backed by Rockwell B55 hardness, resisting deformation in repetitive use scenarios.
Professional Applications & Engineering Value
This 18-8 Stainless Steel shoulder screw is engineered to address critical challenges in precision machinery, automation systems, and assembly fixtures. The 3/4" shoulder length with controlled tolerances ensures accurate component positioning, reducing wear and misalignment in rotating parts like bearings and pulleys. Its Class 3A thread fit and coarse UNC thread provide reliable fastening in high-vibration environments, while the knurled socket head enhances grip for efficient installation with standard hex tools. Made from corrosion-resistant material, it excels in applications requiring durability and compliance, such as industrial equipment and electronic enclosures, minimizing maintenance needs and downtime.
Specification Summary & Compliance
This shoulder screw adheres to ASME B18.3 specifications, with a Class 3A thread fit for precise UNC threading. Dimensions include a shoulder diameter of 5/8" (tolerance: -0.004" to -0.002") and shoulder length of 3/4" (tolerance: -0.005" to 0.005"). It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity for industrial use.
