S-94035A115 2-56 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh environments and extended service life.
• Precise alignment and positioning ensured by the 3/32" diameter shoulder with a tight tolerance of -0.001" to 0" for reliable assembly.
• High mechanical strength offering 70,000 psi tensile strength and Rockwell B55 hardness for demanding applications.
• Easy installation and removal with a standard hex socket head (5/64" drive) for efficient tool engagement.
• Reliable thread performance with UNC coarse threads and Class 2A fit, providing secure fastening and vibration resistance.
• Compliance with environmental regulations, being RoHS 3 and REACH compliant for safe use in various industries.
• Versatile right-hand thread design suitable for standard assembly processes and coarse thread applications.

Professional Applications & Engineering Value

This 2-56 UNC shoulder screw is engineered to address critical alignment and durability challenges in precision assemblies. The 18-8 stainless steel material, enhanced by a passivated finish, provides excellent resistance to corrosion and wear, making it ideal for applications in machinery, electronics, and automotive sectors where exposure to moisture or chemicals is common. The 3/32" shoulder diameter with precise tolerances ensures accurate component positioning, reducing misalignment issues and improving overall system reliability. Its coarse thread design and Class 2A thread fit facilitate quick installation and secure fastening, while the socket head with a hex drive allows for efficient torque application in confined spaces. This screw delivers consistent performance in high-stress environments, supporting long-term operational efficiency.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 2A thread fit for dimensional accuracy. Key specifications include a shoulder diameter tolerance of -0.001" to 0" and shoulder length tolerance of 0" to 0.002", ensuring precise assembly. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for industrial use without hazardous substances.