S-90288A157 6-32 x 1 1/2" ASME B18.6.3 Tamper-Resistant One-Way-Drive Stainless Steel Round Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh environments
• Exceptional tensile strength rated at 80,000 psi for reliable load-bearing performance in demanding applications
• Precision UNC coarse threading with Class 2A fit ensures quick installation and secure fastening
• Fully threaded design provides maximum grip and uniform stress distribution along the entire length
• One-way drive rounded head offers tamper-resistant security while maintaining a smooth, rounded profile
• Consistent dimensional accuracy with standardized inch measurements for seamless compatibility
• Comprehensive regulatory compliance meeting ASME B18.6.3, RoHS 3, and REACH standards

Professional Applications & Engineering Value

These 6-32 x 1-1/2" rounded head screws deliver critical engineering advantages in industrial settings where corrosion resistance and tamper-proof security are paramount. The combination of 18-8 stainless steel material and passivated finish creates a robust barrier against chemical exposure and environmental degradation, significantly extending service life in manufacturing equipment, electrical enclosures, and outdoor installations. The UNC coarse thread configuration with Class 2A fit prevents cross-threading during high-volume assembly operations while the one-way drive system provides permanent fastening solutions for public infrastructure and security-sensitive applications. With full threading along the entire 1-1/2" length, these screws distribute clamping forces evenly, eliminating stress concentration points that lead to joint failure.

Specification Summary & Compliance

Manufactured to exacting inch system dimensions with Class 2A thread fit tolerance for precision assembly. Thread specification follows UNC coarse thread standards with 6-32 thread size and right-hand direction. Full compliance with ASME B18.6.3 manufacturing specifications ensures consistent quality and performance. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for hazardous substance restrictions. Mechanical properties include Rockwell B96 hardness and 80,000 psi tensile strength for demanding industrial applications.