S-93310A804 M3 x 12 mm MIL-DTL-18240 Thread-Locking Stainless Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Permanent vibration-resistant locking with nylon patch thread locker that maintains secure fastening from -70° to 250°F
• Superior corrosion resistance from 18-8 stainless steel construction for long-term reliability in harsh environments
• High-strength performance with 80,000 psi tensile strength and Rockwell B96 hardness for demanding applications
• Precision thread engagement with Class 6g thread fit ensuring consistent, reliable fastening in metric assemblies
• Easy installation and removal with standard 2mm hex drive and rounded button head design
• Full thread coverage along the entire 12mm length for maximum grip and load distribution
• Regulatory compliance assurance meeting MIL-DTL-18240, RoHS 3, and REACH standards for industrial use

Professional Applications & Engineering Value

These M3 metric screws with nylon patch locking technology provide engineered solutions for vibration-prone industrial applications where fastener security is critical. The 18-8 stainless steel construction offers excellent corrosion resistance for harsh environments, while the coarse thread pitch (0.5mm) ensures rapid installation and superior holding power in various materials. The combination of fully threaded design and Class 6g thread fit guarantees maximum thread engagement and reliable performance in machinery, electronics, automotive, and aerospace assemblies. The rounded button head with hex drive provides both aesthetic appeal and practical installation advantages, making these locking screws ideal for applications requiring both security and accessibility.

Specification Summary & Compliance

These metric fasteners feature precision Class 6g thread fit with M3 x 0.5mm coarse threading and full 12mm thread length. Manufactured from 18-8 stainless steel with Rockwell B96 hardness and 80,000 psi tensile strength. The nylon patch thread locker operates effectively from -70° to 250°F. Compliance includes MIL-DTL-18240 specifications, RoHS 3 (2015/863/EU) compliance, and REACH (EC 1907/2006) compliance for industrial and commercial applications.