S-97768A251 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
- Exceptional corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments.
- Superior wear resistance and reduced light glare provided by the black oxide finish.
- High-strength performance with a tensile strength of 70,000 psi and a shear strength of 35,000 psi for demanding applications.
- Precise and secure assembly ensured by the Class 3A thread fit and UNC coarse thread for reliable fastening.
- Easy installation and removal with a standard hex socket drive, requiring only a 1/8" hex key.
- Accurate component alignment due to the precisely machined shoulder with controlled diameter and length tolerances.
- Compliance with major industry standards including ASME B18.3, RoHS 3, and REACH for guaranteed quality and safety.
Professional Applications & Engineering Value
This 10-24 UNC thread shoulder screw is engineered to solve critical alignment and pivot point challenges in precision machinery. The 18-8 stainless steel material offers excellent resistance to rust and corrosion, making it suitable for applications in manufacturing, automation, and outdoor equipment. The black oxide finish not only enhances durability but also minimizes friction and galling during repeated adjustments. The 3/8" shoulder length and 1/4" shoulder diameter provide a stable bearing surface, ensuring components like gears, pulleys, and linkages rotate smoothly without misalignment. Its coarse thread and Class 3A fit allow for quick assembly and high clamping force, reducing installation time and improving overall system reliability in high-vibration environments.
Specification Summary & Compliance
This shoulder screw features a 10-24 UNC coarse thread with a Class 3A precision fit for tight tolerances. The shoulder diameter is 1/4" with a tolerance of -0.004" to -0.002", and the shoulder length is 3/8" with a tolerance of -0.005" to 0.005". It is manufactured to meet ASME B18.3 specifications and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations.
