S-97832A259 5/8"-11 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 thanks to 18-8 Stainless Steel construction, ensuring long-term reliability in harsh environments.
- 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 smooth rotation enabled by the Class 3A thread fit and standard shoulder fit, reducing wear and assembly time.
- Secure and easy installation with a 3/8" hex socket drive and knurled head for improved grip and torque application.
- High durability and consistent performance from Rockwell B55 hardness, maintaining integrity under repeated stress.
- Broad compatibility with UNC coarse threads and right-hand direction, fitting standard industrial equipment.
- Regulatory compliance assurance meeting ASME B18.3, RoHS 3, and REACH standards for safe, global use.
Professional Applications & Engineering Value
This 5/8"-11 UNC shoulder screw is engineered to address critical challenges in industrial settings, such as misalignment and component wear. Made from 18-8 Stainless Steel, it offers excellent corrosion resistance, making it ideal for machinery, automotive assemblies, and outdoor equipment exposed to moisture or chemicals. The Class 3A thread fit and precise shoulder dimensions ensure tight tolerances, reducing vibration and enhancing the lifespan of rotating parts like bearings and pulleys. With a coarse thread and right-hand direction, it facilitates quick assembly in high-stress applications, while the knurled head and socket drive provide secure handling. This screw delivers reliable performance in heavy-duty environments, minimizing downtime and maintenance costs.
Specification Summary & Compliance
This shoulder screw features a Class 3A thread fit for high precision, with UNC coarse threads (5/8"-11) and a shoulder diameter tolerance of -0.004" to -0.002". 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 for industrial use.
