S-95092A632 4-40 x 3/4" ASME B18.13 Stainless Steel Pan Head Phillips Screws with Flat and Split Lock Washer

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel and passivated finish, ideal for harsh environments.
• Enhanced vibration resistance thanks to the integrated lock washer, preventing loosening in dynamic applications.
• High-strength performance with 70,000 psi tensile strength and Rockwell B80 hardness for reliable, durable fastening.
• Easy installation and removal with the standard Phillips No. 1 drive and rounded pan head design.
• Wide compatibility from the 4-40 UNC coarse thread and Class 2A fit, ensuring consistent engagement.
• Full thread coverage along the 3/4" length for maximum grip and load distribution.
• Regulatory peace of mind by meeting ASME B18.13, RoHS, and REACH standards for quality and safety.

Professional Applications & Engineering Value

This 4-40 UNC Rounded Head Phillips Screw with Lock Washer is engineered to solve critical industrial challenges, such as vibration-induced loosening and corrosion in machinery and electronics. The 18-8 Stainless Steel material, combined with a passivated finish, provides excellent resistance to rust and chemicals, extending service life in demanding conditions. The integrated lock washer ensures secure fastening under dynamic loads, reducing maintenance needs. With a coarse thread and Class 2A fit, it offers quick assembly and reliable performance in industrial applications like automotive assemblies, control panels, and consumer appliances, where precision and durability are paramount.

Specification Summary & Compliance

This screw features a 4-40 UNC coarse thread with Class 2A dimensional accuracy for consistent fit. It is manufactured in compliance with ASME B18.13 specifications and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring safety and regulatory adherence.