S-94035A111 2-56 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish for long-lasting performance in harsh environments
• Precise alignment and smooth rotation thanks to the precisely machined 3/16" shoulder with tight diameter and length tolerances
• High-strength durability with Rockwell B55 hardness and 70,000 psi tensile strength to withstand heavy loads and vibration
• Reliable thread engagement with Class 2A fit UNC coarse threads ensuring consistent fastening in various materials
• Secure hex drive installation using a standard 5/64" hex key for high torque application without slippage
• Compliance with environmental standards including RoHS 3 and REACH for safe use in regulated industries
• Versatile right-hand threading for standard assembly processes and easy integration into existing systems

Professional Applications & Engineering Value

This precision shoulder screw is engineered to solve critical alignment and pivot point challenges in industrial machinery. The 18-8 stainless steel material combined with a passivated finish provides exceptional resistance to corrosion and chemical exposure, making it ideal for food processing, medical devices, and outdoor equipment. The 3/16" shoulder diameter with precise tolerances ensures exact positioning of moving parts, reducing wear and preventing misalignment in assemblies like rotating shafts, gears, and linkages. With its 2-56 UNC coarse thread and Class 2A fit, it offers reliable fastening in plastic and metal components, while the socket head design allows for compact installations in tight spaces. This screw delivers consistent performance in high-stress applications, from automation systems to precision instruments, enhancing equipment longevity and reducing maintenance costs.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 2A thread fit for consistent engagement. The shoulder features precise diameter and length tolerances (e.g., shoulder diameter: -0.001" to 0") to ensure accurate alignment. It is manufactured from 18-8 stainless steel with a passivated finish and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances for safe industrial use.