S-90298A525 10-24 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 environments and long-term reliability.
- Precise alignment and reduced wear due to the 1/4" shoulder diameter with a tight ±0.001" tolerance for accurate component positioning.
- High-strength performance offering 70,000 psi tensile strength and Rockwell B55 hardness for demanding mechanical applications.
- Enhanced durability and chemical resistance from the passivated finish, protecting against oxidation and extending service life.
- Secure, high-precision thread engagement with Class 3A UNC coarse threads, ensuring reliable fastening in right-hand threaded assemblies.
- Easy installation and removal using the hex socket drive and knurled head, providing excellent grip and torque application.
- Compliance with major industry standards including ASME B18.3, RoHS 3, and REACH, guaranteeing quality and regulatory adherence.
Professional Applications & Engineering Value
This 10-24 UNC shoulder screw is engineered to address critical alignment and durability challenges in precision assemblies. The 18-8 stainless steel material, combined with a passivated finish, resists corrosion and wear in industrial settings such as machinery, automotive components, and electronic enclosures. The 1/4" shoulder diameter with minimal tolerance ensures exact positioning of parts like gears, pulleys, and linkages, reducing vibration and misalignment. The Class 3A thread fit and coarse UNC threads provide robust, vibration-resistant connections, while the hex socket and knurled head facilitate quick maintenance. Ideal for applications requiring high tensile strength and compliance with ASME B18.3 standards, this screw delivers reliable performance in automated systems and precision engineering projects.
Specification Summary & Compliance
This shoulder screw features a 10-24 UNC thread size with Class 3A thread fit for high precision, a shoulder diameter of 1/4" with tolerance of -0.001" to 0.001", and thread length of 3/8". It is manufactured in accordance with ASME B18.3 specifications and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and industrial reliability.
