S-97345A179 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
- Exceptional corrosion resistance with 316 Stainless Steel construction, ideal for harsh or humid industrial environments.
- High mechanical strength with 70,000 psi tensile and 35,000 psi shear strength for demanding, high-stress applications.
- Precise assembly and alignment ensured by the Class 3A thread fit and standard shoulder fit for reduced play and vibration.
- Secure and easy installation with a hex socket drive and knurled head for superior grip and torque application.
- Reliable performance in coarse-thread applications due to the 2-56 UNC right-hand thread design, resistant to loosening.
- Compliance with stringent environmental regulations, including RoHS 3 and REACH, for safe use in regulated industries.
- Durable and long-lasting with a Rockwell B79 hardness, providing excellent wear resistance over time.
Professional Applications & Engineering Value
This 316 Stainless Steel shoulder screw is engineered to solve critical challenges in precision machinery, automotive assemblies, and electronic enclosures. Its Class 3A thread fit and standard shoulder provide exact positioning and alignment, minimizing component misalignment and wear. The coarse UNC threads offer quick assembly and high resistance to vibrational loosening, while the hex socket drive and knurled head ensure secure handling in tight spaces. Made from corrosion-resistant 316 stainless steel, it performs reliably in demanding conditions, from marine to chemical processing, reducing maintenance needs and downtime.
Specification Summary & Compliance
This shoulder screw adheres to UNC thread standards with a Class 3A precision fit for tight tolerances. Key dimensions include a thread size of 2-56, shoulder diameter of 3/32" (with tolerance -0.004" to -0.002"), and shoulder length of 9/32" (tolerance -0.005" to 0.005"). It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances for industrial and international use.
