S-90357A004 8-32 x 1/2" Alloy Steel Ultra-Low-Profile Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional strength-to-weight ratio with 140,000 psi tensile strength for reliable performance in demanding applications
• Superior corrosion resistance provided by black-oxide coating on alloy steel, extending service life in industrial environments
• Precision thread engagement with Class 3A fit ensures consistent, secure fastening without play or vibration loosening
• Space-saving ultra-low profile head design allows installation in confined spaces while maintaining full hex drive functionality
• Optimized for high-volume assembly with coarse UNC threads enabling faster installation and reduced cross-threading risk
• Consistent dimensional accuracy maintained through tight length tolerance control (±0.005") for uniform performance
• Comprehensive regulatory compliance with RoHS 3 and REACH standards for global industrial applications

Professional Applications & Engineering Value

Engineered for precision machinery and industrial equipment, these socket head cap screws deliver critical performance advantages in compact assemblies. The black-oxide alloy steel construction provides superior corrosion protection while maintaining the 140,000 psi tensile strength required for high-stress applications. The ultra-low profile socket head design solves space constraint challenges in CNC machinery, automation systems, and precision instruments, while the 8-32 UNC coarse threads ensure rapid assembly in production environments. The Class 3A thread fit guarantees precise engagement in tapped holes, eliminating play in vibration-prone applications and reducing maintenance downtime. These fully threaded right-hand thread fasteners are ideal for OEM manufacturing, aerospace components, and industrial automation where reliability and dimensional consistency are paramount.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 3A thread fit tolerance for superior engagement in mating components. Features 8-32 UNC coarse threads with full threading along the 1/2" length and maintained within tight length tolerance of -0.005" to 0.005". The black-oxide surface treatment on alloy steel substrate provides consistent corrosion protection. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations for restricted substances, ensuring environmental compliance for industrial and international applications.