S-97832A124 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, ideal for harsh industrial environments and extended service life.
- Precise alignment and pivot function from a 1/2" shoulder diameter with tight tolerances, reducing wear in mechanical assemblies.
- High load-bearing capacity with 70,000 psi tensile strength and 35,000 psi minimum shear strength for demanding applications.
- Secure, high-precision threading using Class 3A UNC coarse threads for reliable fastening and vibration resistance.
- Easy installation and removal with a hex socket drive and knurled head for improved grip and torque application.
- Compliance with industry standards including ASME B18.3, ensuring consistent quality and interchangeability.
- Environmental and safety compliance with RoHS 3 and REACH regulations, making it suitable for global markets.
Professional Applications & Engineering Value
This 18-8 stainless steel shoulder screw is engineered to address common industrial challenges such as misalignment, component wear, and corrosion in machinery. The 1/2" shoulder diameter provides a stable bearing surface for rotating parts, reducing friction and extending equipment life in applications like precision assemblies, pivoting mechanisms, and automation systems. With a Class 3A thread fit and UNC coarse threads, it ensures quick, secure fastening even in high-vibration environments. The socket head with hex drive and knurled texture allows for efficient installation in confined spaces, while the material's inherent durability supports long-term performance in demanding industrial settings.
Specification Summary & Compliance
This shoulder screw adheres to tight dimensional tolerances, including a shoulder diameter tolerance of -0.004" to -0.002" and length tolerance of -0.005" to 0.005". It features 3/8"-16 UNC coarse threads with a Class 3A fit for precision, and meets ASME B18.3 specifications for consistency. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for various industrial and international applications.
