S-97832A248 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 with 18-8 Stainless Steel construction, ideal for harsh environments and extended service life.
- Exceptional thread reliability due to Class 3A fit and UNC coarse threads, ensuring secure fastening and vibration resistance.
- High mechanical strength with 70,000 psi tensile and 35,000 psi shear strength, providing dependable performance under load.
- Precise component alignment enabled by the 1-1/2" shoulder with tight diameter and length tolerances.
- Enhanced installation grip from the knurled head and hex socket drive, preventing tool slippage during assembly.
- Compliance with global regulations including RoHS 3 and REACH, ensuring material safety and environmental responsibility.
- Optimized for automated assembly with consistent Rockwell B55 hardness and right-hand thread direction.
Professional Applications & Engineering Value
This 18-8 Stainless Steel shoulder screw is engineered to address critical alignment and durability challenges in precision assemblies. The 1-1/2" shoulder length with controlled tolerances provides a stable pivot or bearing surface, eliminating misalignment in machinery, rotating shafts, and electronic components. The Class 3A UNC coarse threads offer rapid assembly and high vibration resistance, while the hex socket knurled head ensures secure tool engagement in confined spaces. Made from corrosion-resistant stainless steel with 70,000 psi tensile strength, it reliably performs in demanding industrial, automotive, and aerospace applications where material integrity and precise dimensional control are paramount.
Specification Summary & Compliance
This shoulder screw features a 2-56 UNC thread with Class 3A fit and coarse thread spacing for secure fastening. The shoulder maintains a diameter of 3/32" with a tolerance of -0.004" to -0.002" and a length of 1-1/2" with a tolerance of -0.005" to 0.005". Manufactured to high standards, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring adherence to international environmental and safety regulations for industrial fasteners.
