S-91205A347 10-32 x 1" ASME B18.3, ASTM A574 Alloy Steel Thread-Locking Socket Head Screws

Key Features & Benefits at a Glance

• Vibration-resistant locking with permanent nylon patch for secure fastening in high-stress environments
• Exceptional tensile strength of 170,000 PSI withstands extreme mechanical loads and pressures
• Precision Class 3A thread fit ensures superior engagement and reliable assembly in critical applications
• Wide temperature tolerance from -70° to 250°F maintains performance in diverse operating conditions
• Corrosion-resistant black-oxide finish on alloy steel enhances durability and service life
• Standard hex drive compatibility allows for easy installation with common industrial tools
• Full thread coverage provides consistent clamping force along the entire 1" length

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these 10-32 UNF socket head cap screws deliver critical vibration resistance through their integrated nylon patch thread locking technology. The black-oxide alloy steel construction combined with Rockwell C37 hardness provides exceptional wear resistance and structural integrity in machinery, automotive assemblies, and precision equipment. The fine thread spacing and Class 3A fit ensure precise alignment and secure fastening in applications where loosening under dynamic loads is a concern. These fully threaded cap screws maintain consistent performance across a broad temperature range from -70° to 250°F, making them suitable for both indoor and outdoor industrial environments where thermal cycling occurs.

Specification Summary & Compliance

Manufactured to ASME B18.3 specifications with Class 3A thread fit precision and UNF fine thread standards. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The black-oxide alloy steel construction meets ASTM A574 requirements, ensuring consistent quality and performance in industrial fastening applications.