S-97345A239 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 316 Stainless Steel construction, ideal for harsh environments and extended service life.
- High-strength performance offering 70,000 psi tensile and 35,000 psi shear strength for reliable load-bearing in demanding applications.
- Precise thread engagement with Class 3A fit and UNC coarse thread spacing, ensuring secure fastening and reduced cross-threading risk.
- Enhanced grip and easy installation from the knurled socket head with a 5/64" hex drive, providing superior torque application.
- Accurate component alignment due to the 1 1/4" shoulder length with tight tolerances, minimizing assembly play.
- Compliance with global standards including RoHS 3 and REACH, ensuring safety and environmental responsibility.
- Durable material hardness rated at Rockwell B79, resisting wear and maintaining integrity under stress.
Professional Applications & Engineering Value
This 316 Stainless Steel shoulder screw is engineered to address critical challenges in precision assemblies, such as in machinery, electronics, and automotive systems. The 2-56 UNC coarse thread with Class 3A fit provides reliable fastening in high-vibration environments, reducing the risk of loosening. Its corrosion-resistant material ensures longevity in moist or chemical-exposed settings, while the knurled socket head allows for efficient installation with standard hex tools. The precise 1 1/4" shoulder length facilitates accurate pivoting and spacing in linkages, bearings, and rotating components, enhancing overall system reliability and reducing maintenance needs.
Specification Summary & Compliance
This shoulder screw adheres to UNC thread standards with a Class 3A fit for high precision. Dimensions include a shoulder diameter of 3/32" with a tolerance of -0.004" to -0.002" and a shoulder length of 1 1/4" with a tolerance of -0.005" to 0.005". It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets stringent environmental and safety requirements for industrial use.
