S-90292A156 3/8"-16 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 and strength from 17-4 PH Stainless Steel, ideal for harsh industrial environments
- Precise component alignment with a 1/2" shoulder diameter and 1" shoulder length, minimizing assembly play
- High-reliability fastening ensured by the Class 3A thread fit for superior vibration resistance
- Exceptional mechanical performance with 130,000 psi tensile strength and 65,000 psi shear strength for demanding applications
- Easy installation and removal with a standard hex socket drive and knurled head for improved grip
- Broad industry compliance meeting ASME B18.3 specifications and environmental standards like RoHS 3 and REACH
- Durable, long-lasting performance backed by a Rockwell C28 hardness rating
Professional Applications & Engineering Value
This 3/8"-16 UNC shoulder screw is engineered to solve critical alignment and load-bearing challenges in industrial applications. The 17-4 PH Stainless Steel construction provides excellent resistance to corrosion and high tensile stress, making it suitable for machinery, automotive assemblies, and precision equipment. The 1/2" shoulder diameter and 1" shoulder length ensure accurate positioning of moving parts, reducing wear and maintenance. With a Class 3A thread fit and coarse UNC thread, it offers secure fastening even under vibration, while the hex socket drive allows for efficient installation in confined spaces. This ASME B18.3 compliant screw delivers reliable performance in high-stress environments, enhancing operational efficiency.
Specification Summary & Compliance
This shoulder screw adheres to Class 3A thread fit and UNC thread standards for precise tolerances. It meets ASME B18.3 manufacturing specifications, with shoulder diameter tolerance of -0.004" to -0.002" and shoulder length tolerance of -0.005" to 0.005". The product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring it is free from hazardous substances for safe use in various industries.
