S-91870A738 10-32 x 3/8" ASME B18.3 Tamper-Resistant Torx Plus Stainless Steel Flat Head Screws

Key Features & Benefits at a Glance

• Superior tamper resistance with Torx Plus IPR25 drive to prevent unauthorized access and ensure equipment security
• Excellent corrosion resistance from 18-8 stainless steel construction with passivated finish for long-lasting performance in harsh environments
• High-strength reliability with 70,000 psi tensile strength and Rockwell B70 hardness to withstand heavy loads and vibrations
• Precise thread engagement through Class 3A thread fit and UNF fine threading for secure, vibration-resistant connections
• Flush mounting capability with standard 82° countersink angle and flat head design for smooth surface finishes
• Full-threaded convenience providing maximum grip length and installation flexibility across various material thicknesses
• Regulatory compliance assurance meeting ASME B18.3 specifications and environmental standards for global applications

Professional Applications & Engineering Value

This 10-32 UNF flat head screw delivers critical security and reliability for industrial applications where tampering prevention and corrosion resistance are paramount. The 18-8 stainless steel construction with passivated finish provides exceptional protection against chemical exposure and environmental degradation, making it ideal for electronics enclosures, machinery guards, and outdoor equipment. The tamper-resistant Torx Plus drive (IPR25) ensures only authorized personnel can access sensitive components, while the Class 3A thread fit maintains precise tolerances for vibration-prone applications. The fully threaded design offers maximum holding power in thin materials, and the 82° countersink angle creates seamless surface integration for aesthetic and safety requirements in manufacturing, aerospace, and security systems.

Specification Summary & Compliance

This fastener features Class 3A thread fit precision with 10-32 UNF fine threading and right-hand thread direction. Manufacturing complies with ASME B18.3 specifications for dimensional accuracy and performance. The product meets RoHS 3 (2015/863/EU) compliance for hazardous substance restrictions and REACH (EC 1907/2006) standards for chemical safety, ensuring environmental responsibility and global market acceptance.