S-97345A184 10-32 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 316 stainless steel construction, ideal for harsh chemical and marine environments.
- Precise alignment and smooth rotation ensured by the 1/4" diameter shoulder with a standard fit for consistent performance.
- Superior thread integrity and load distribution from the 10-32 UNF Class 3A fine thread, minimizing the risk of stripping.
- High mechanical strength with 70,000 psi tensile and 35,000 psi shear strength, providing reliable performance under heavy loads.
- Secure and easy installation using the hex socket drive and knurled head, offering excellent grip and torque application.
- Compliance with industry standards including ASME B18.3, RoHS 3, and REACH, ensuring safety and environmental responsibility.
- Durable and wear-resistant with a Rockwell B79 hardness, maintaining dimensional stability over extended use.
Professional Applications & Engineering Value
This 316 stainless steel shoulder screw is engineered to address critical challenges in precision assemblies, such as in machinery, automotive, and electronic equipment. The 10-32 UNF Class 3A thread provides a tight, reliable fit that prevents loosening under vibration, while the 1/4" shoulder length acts as a precise spacer or pivot point, reducing wear on connected components. Made from corrosion-resistant 316 stainless steel, it excels in demanding environments where exposure to moisture and chemicals is common. The socket head with knurled texture allows for easy installation in confined spaces, enhancing efficiency in automated or manual assembly processes. Ideal for applications requiring high tensile and shear strength, this screw ensures long-term durability and performance in industrial settings.
Specification Summary & Compliance
This shoulder screw adheres to Class 3A thread fit for high precision and features a shoulder diameter of 1/4" with tolerances from -0.004" to -0.002" and a shoulder length of 3/4" with tolerances from -0.005" to 0.005". It conforms to ASME B18.3 specifications and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets rigorous environmental and safety standards for industrial use.
