S-96562A912 2-56 x 1/8" ASME B18.6.3 Thread-Locking Stainless Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Vibration-resistant locking with permanent Nylon Patch thread locker, preventing loosening in dynamic environments
• Superior corrosion resistance from 18-8 Stainless Steel with passivated finish, ideal for harsh industrial conditions
• High-strength performance with 60,000 psi tensile strength and Rockwell B70 hardness for demanding applications
• Secure installation using Phillips No. 1 drive, providing reliable torque transfer and reduced cam-out risk
• Wide temperature tolerance from -55° to 120°F, maintaining locking integrity across various operating conditions
• Optimized thread engagement with fully threaded UNC coarse pattern and Class 2A fit for quick assembly
• Industry compliance assurance meeting ASME B18.6.3, RoHS 3, and REACH standards for quality and safety

Professional Applications & Engineering Value

This 2-56 UNC Nylon Patch Locking Rounded Head Screw delivers critical vibration resistance in industrial equipment, electronics, and machinery where constant motion threatens fastener integrity. The 18-8 Stainless Steel construction with passivated finish provides exceptional corrosion protection in humid or chemical-exposed environments, while the permanent Nylon Patch thread locker eliminates the need for secondary locking mechanisms. The Phillips No. 1 drive ensures efficient installation in confined spaces, and the fully threaded coarse UNC pattern with Class 2A fit guarantees secure fastening in sheet metal, plastic components, and precision assemblies. Engineered to withstand temperatures from -55° to 120°F, this rounded head screw maintains reliable performance in automotive, aerospace, and industrial control systems where thermal cycling is common.

Specification Summary & Compliance

This locking fastener features Class 2A thread fit with UNC coarse threading (2-56 size) and 1/8" length for precision assembly. Manufacturing complies with ASME B18.6.3 specifications for dimensional accuracy and performance. The screw is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring environmental safety and regulatory adherence for global industrial applications.