S-98164A446 8-32 x 1/8" ASME B18.3 Stainless Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction and passivated finish for extended service life in harsh environments
• Exceptional mechanical strength delivering 70,000 psi tensile strength and Rockwell B55 hardness for reliable performance under heavy loads
• Precision thread engagement with Class 3A thread fit ensuring secure fastening and vibration resistance in critical applications
• Optimized installation efficiency featuring hex drive design with 3/32" drive size for easy torque application and reduced assembly time
• Maximum holding power through fully threaded design providing consistent grip along the entire 1/8" length
• Industry compliance assurance meeting ASME B18.3 standards along with RoHS 3 and REACH environmental regulations
• Versatile rounded head design with 0.312" diameter offering low-profile installation while maintaining high torque capability

Professional Applications & Engineering Value

Engineered for demanding industrial environments, these 8-32 UNC thread screws with 316 stainless steel construction provide exceptional resistance to corrosive elements including chemicals, saltwater, and industrial atmospheres. The passivated finish enhances surface durability while maintaining the material's inherent corrosion-resistant properties. The rounded head design with hex drive configuration ensures reliable torque transmission without cam-out, making them ideal for applications where flush mounting and high clamping force are required. These fully threaded fasteners deliver consistent performance in machinery assembly, marine equipment, chemical processing systems, and food processing applications where Class 3A thread fit precision prevents loosening under vibration and thermal cycling conditions.

Specification Summary & Compliance

Manufactured to exacting inch system dimensions with Class 3A thread fit tolerance for precision engagement. Complies with ASME B18.3 standard specifications for socket cap screws. Meets RoHS 3 (2015/863/EU) compliance for restricted substances and REACH (EC 1907/2006) regulations for chemical safety. Thread specifications include 8-32 UNC coarse thread with right-hand direction and fully threaded design. Mechanical properties include 70,000 psi tensile strength and Rockwell B55 hardness rating.