S-97345A816 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
- Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh environments and chemical exposure.
- Precise alignment and reduced wear ensured by the Class 3A thread fit and standard shoulder fit, minimizing assembly play.
- High-strength performance delivering 70,000 psi tensile and 35,000 psi shear strength for demanding mechanical applications.
- Secure, non-slip installation with a knurled head and 3/8" hex drive, providing excellent grip and torque transmission.
- Durability and reliability backed by Rockwell B79 hardness, resisting deformation under heavy loads.
- Broad industrial compliance meeting ASME B18.3 specifications, RoHS 3, and REACH standards for safe, regulated use.
- Versatile coarse UNC threading (5/8"-11) for quick assembly and disassembly in right-hand thread applications.
Professional Applications & Engineering Value
This 316 Stainless Steel shoulder screw is engineered to address critical challenges in precision machinery, automation systems, and heavy-duty assemblies. The Class 3A thread fit and controlled shoulder diameter tolerance (-0.004" to -0.002") ensure exact positioning, reducing misalignment and wear in rotating components like bearings, pulleys, and linkages. The corrosion-resistant material and knurled socket head enhance longevity and ease of maintenance in environments exposed to moisture, chemicals, or frequent adjustments. By combining high tensile and shear strength with ASME B18.3 compliance, this shoulder screw provides reliable performance in industrial equipment, automotive jigs, and conveyor systems, where precision and durability are paramount.
Specification Summary & Compliance
This shoulder screw features a Class 3A thread fit with UNC 5/8"-11 coarse threading, a shoulder diameter of 3/4" (tolerance: -0.004" to -0.002"), and a thread length of 7/8". 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 reliability.
