S-93712A600 3/8"-24 x 4" Partially Threaded Studs with Cotter Pin
Partially Threaded Studs with Cotter Pin
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Basic Information
Dimension Parameters
Thread Parameters
Material & Strength Parameters
Shaft Parameters
Installation Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
- Precise thread engagement with Class 2A thread fit ensuring reliable, vibration-resistant connections
- Enhanced safety and retention through the integrated hairpin cotter pin, preventing accidental disassembly
- Optimized load distribution with 3" threaded length and UNF fine threads for stronger, more stable fastening
- Consistent dimensional accuracy with shaft diameter tolerance of -0.005" to 0.005" for perfect fit in assemblies
- Durable mechanical performance backed by Rockwell B89 hardness, resisting wear and deformation under stress
- Compliance with global standards including RoHS 3 and REACH, ensuring safe, environmentally responsible use
Professional Applications & Engineering Value
This 3/8"-24 UNF partially threaded stud with hairpin cotter pin is engineered to address critical challenges in mechanical assemblies where vibration loosening and corrosion are common failures. The 18-8 stainless steel material provides excellent resistance to rust and chemical exposure, making it suitable for outdoor, marine, and chemical processing equipment. The Class 2A thread fit and UNF fine threading offer superior clamping force and fatigue resistance, essential for high-stress applications like machinery frames, automotive components, and structural supports. The integrated cotter pin adds an extra layer of security, ensuring that the stud remains locked in position even under dynamic loads, reducing maintenance downtime and enhancing operational safety.
Specification Summary & Compliance
This stud features a 3/8" shaft diameter with a tolerance of -0.005" to 0.005", 3" threaded length with Class 2A thread fit, and UNF fine thread specification. It is manufactured from 18-8 stainless steel with a hardness of Rockwell B89 and includes a 4" hairpin cotter pin. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets stringent environmental and safety standards for industrial use.
