S-90288A194 8-32 x 1/2" ASME B18.6.3 Tamper-Resistant One-Way-Drive Stainless Steel Round Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel construction and passivated finish for long-lasting performance in harsh environments
• Superior mechanical strength delivering 80,000 psi tensile strength and Rockwell B96 hardness for reliable load-bearing capabilities
• Optimized thread engagement with Class 2A thread fit and coarse UNC threading ensuring secure fastening and vibration resistance
• Enhanced tamper-resistant design featuring one-way drive style for improved security in public or restricted access applications
• Full threading coverage along the entire 1/2" length provides maximum grip and adjustment flexibility in assembly
• Industry-standard compliance meeting ASME B18.6.3 specifications for consistent quality and interchangeability
• Environmental responsibility with RoHS 3 and REACH compliance for safe use across regulated industries

Professional Applications & Engineering Value

These 8-32 UNC rounded head screws deliver critical engineering solutions where corrosion resistance and tamper-proof security are paramount. The 18-8 stainless steel material with passivated finish provides exceptional protection against rust and chemical degradation in manufacturing, marine, and food processing environments. The one-way drive style prevents unauthorized disassembly while maintaining smooth installation. With coarse threading and Class 2A fit, these fasteners offer rapid installation and reliable performance in vibration-prone applications. The fully threaded design ensures maximum holding power across the entire 1/2" length, making them ideal for electronic enclosures, machinery guards, and permanent assemblies requiring both security and durability.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2A thread fit and UNC coarse thread specifications. Complies with ASME B18.6.3 manufacturing standards ensuring consistent quality and performance. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance requirements for restricted substance control. Thread specifications include 8-32 size, right-hand direction, and 0.164" diameter with standard rounded head profile measuring 0.309" diameter and 0.12" height.