S-91773A550 1/4"-20 x 2" ASME B18.6.3 Stainless Steel Round Head Phillips Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh environments
• High tensile strength of 100,000 psi ensures reliable performance in demanding heavy-duty applications
• Rockwell B100 hardness provides excellent durability and resistance to wear over time
• Fully threaded UNC coarse design offers faster installation and superior holding power
• Class 2A thread fit guarantees consistent, precise engagement for reduced assembly issues
• No. 3 Phillips drive allows for easy, secure driving with standard tools, minimizing slippage
• Compliance with ASME B18.6.3 and environmental regulations ensures quality and safety for industrial use

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, these 18-8 stainless steel rounded head Phillips screws address critical challenges in machinery, construction, and equipment assembly. The fully threaded UNC coarse design enhances grip in various materials, reducing the risk of loosening under vibration. With a passivated finish, they deliver superior corrosion resistance, extending service life in humid or chemical-exposed settings. The Class 2A thread fit ensures tight tolerances, facilitating quick, error-free installations and minimizing downtime. Ideal for securing components in automotive, marine, and structural projects, these screws provide a dependable fastening solution that meets rigorous engineering standards.

Specification Summary & Compliance

This product features precise Class 2A thread fit and adheres to UNC coarse thread standards for consistent performance. Manufactured in compliance with ASME B18.6.3, it ensures dimensional accuracy and reliability. Additionally, it is RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, supporting environmental safety and regulatory requirements in industrial supply chains.