S-97768A431 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
- Exceptional corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments.
- Enhanced durability and wear resistance from the black oxide finish, providing a protective layer against abrasion.
- Superior load-bearing capacity with a tensile strength of 70,000 psi and shear strength of 35,000 psi for demanding applications.
- Precise alignment and secure fit thanks to the Class 3A thread fit and standard shoulder, minimizing assembly play.
- Easy installation and removal with a knurled hex socket head, offering a firm grip and reducing tool slippage.
- Reliable performance in high-stress conditions due to Rockwell B55 hardness and coarse UNC threads for quick fastening.
- Compliance with industry standards including ASME B18.3, RoHS 3, and REACH, ensuring safety and regulatory adherence.
Professional Applications & Engineering Value
This 3/8"-16 UNC shoulder screw is engineered to address critical challenges in machinery assembly, automation systems, and precision equipment. Made from 18-8 stainless steel with a black oxide finish, it resists rust and wear in humid or corrosive settings, extending service life. The Class 3A thread fit and coarse UNC threading ensure tight, vibration-resistant connections, reducing maintenance needs in high-load scenarios like robotic arms or conveyor systems. Its knurled hex socket head allows for efficient torque application, speeding up installation in tight spaces. Ideal for applications requiring exact shoulder positioning, this screw enhances stability and alignment in industrial fastening, supporting seamless operations without compromise.
Specification Summary & Compliance
This shoulder screw features precise dimensions, including a thread size of 3/8"-16 UNC with Class 3A thread fit for accurate tolerance. It adheres to ASME B18.3 manufacturing standards, ensuring consistent quality. The product is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and safe for various industrial uses.
