S-97832A151 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 extended service life.
- Exceptional mechanical strength offering a high tensile strength of 70,000 psi and shear strength of 35,000 psi for demanding, high-stress applications.
- Precise component alignment and pivot points enabled by the consistent 1/4" shoulder diameter with tight tolerance control.
- Secure and non-slip installation provided by the knurled socket head and 1/8" hex drive, ensuring a firm grip during assembly.
- Reliable and standardized fastening with a Class 3A thread fit and 10-24 UNC coarse thread for consistent engagement and vibration resistance.
- Compliance with major industry standards including ASME B18.3, ensuring dimensional accuracy and interchangeability.
- Safe for regulated industries with full compliance to RoHS 3 and REACH environmental directives.
Professional Applications & Engineering Value
This shoulder screw is engineered to provide a robust and precise locating pin or axle in assemblies requiring exact radial positioning. The 18-8 Stainless Steel material offers excellent resistance to oxidation and corrosion, making it suitable for machinery, automotive, and electronic applications exposed to moisture or chemicals. The 3/8" thread length and 10-24 UNC coarse thread ensure quick assembly and high resistance to loosening under vibration. The unthreaded shoulder acts as a bearing surface, preventing wear on connected parts and maintaining alignment, which is critical in pulleys, gears, and linkages. Its knurled head and hex drive facilitate secure tool engagement, reducing the risk of cam-out during high-torque installation.
Specification Summary & Compliance
This screw features a Class 3A thread fit for high-precision applications, conforming to the UNC thread standard. Manufacturing and dimensional specifications strictly adhere to ASME B18.3. The shoulder diameter is held to a tolerance of -0.004" to -0.002", and the shoulder length to -0.005" to 0.005" for consistent performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances for safe use in various global markets.
