S-97832A244 2-56 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 from 18-8 stainless steel construction, ideal for harsh environments and long-term reliability.
- Exceptional mechanical strength with 70,000 psi tensile and 35,000 psi shear strength to withstand high-stress applications.
- Precise alignment and smooth rotation ensured by the accurately machined 3/32" shoulder diameter and 3/4" shoulder length with tight tolerances.
- Secure, non-slip grip during installation provided by the knurled socket head with a standard hex drive for reliable torque transmission.
- Reliable, vibration-resistant fastening due to the Class 3A thread fit and coarse UNC thread, minimizing loosening in dynamic assemblies.
- Easy assembly and maintenance facilitated by the right-hand thread direction and standard socket head profile for common tooling.
- Compliance with environmental and safety standards including RoHS 3 and REACH, ensuring suitability for regulated industries.
Professional Applications & Engineering Value
This 18-8 stainless steel shoulder screw is engineered to address critical challenges in precision machinery, such as misalignment and component wear. The 2-56 UNC coarse thread and Class 3A fit provide a secure, vibration-resistant connection, essential for assemblies subject to dynamic loads. The knurled socket head enhances grip during installation, reducing slippage and tool damage. With a Rockwell B55 hardness and robust tensile strength, it offers durability in applications like pivots, spacers, and rotating assemblies, where corrosion resistance and dimensional stability are paramount. Its precise shoulder dimensions ensure accurate positioning, minimizing downtime in industrial automation and electronics.
Specification Summary & Compliance
This shoulder screw adheres to UNC thread standards with a Class 3A thread fit for high precision. Dimensions include a shoulder diameter of 3/32" (tolerance: -0.004" to -0.002") and shoulder length of 3/4" (tolerance: -0.005" to 0.005"), ensuring consistent performance. It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, supporting use in environmentally conscious and regulated sectors.
