S-90046A112 8-32 x 5/8" NAS1801-08-10 High-Strength Steel Hex Head Screws with Phillips Drive

Key Features & Benefits at a Glance

• Exceptional corrosion resistance through cadmium plating, extending service life in harsh industrial environments
• High tensile strength of 160,000 psi ensures reliable performance under extreme mechanical stress
• Precise Class 3A thread fit provides superior engagement and vibration resistance in critical applications
• Dual-drive external hex/Phillips design offers installation flexibility with standard tools
• Rockwell C34 hardness rating maintains structural integrity through repeated use and high torque applications
• NAS1801-08-10 compliance guarantees aerospace-grade quality and dimensional accuracy
• Environmental regulation compliance with RoHS 3 and REACH ensures safe usage across global markets

Professional Applications & Engineering Value

These 8-32 UNC hex head screws deliver critical performance advantages for industrial and aerospace applications where vibration resistance and corrosion protection are paramount. The cadmium plated finish creates a sacrificial layer that prevents galvanic corrosion while the Class 3A thread fit maintains tight tolerances in high-vibration environments. The partially threaded design allows for precise clamping force distribution, making them ideal for electronic enclosures, aviation components, and precision machinery where unthreaded shank sections prevent damage to sensitive materials. The combination of 160,000 psi tensile strength and Rockwell C34 hardness ensures these fasteners withstand both static and dynamic loading conditions without deformation or failure.

Specification Summary & Compliance

Manufactured to exacting NAS1801-08-10 specifications with Class 3A thread fit precision and UNC coarse thread spacing for optimal engagement. These 5/8" length screws feature right-hand threading with 9/16" minimum thread length and comply with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards. The steel construction with cadmium plating meets aerospace and industrial requirements for corrosion resistance and mechanical performance.