S-93310A724 6-32 x 1" MIL-DTL-18240 Thread-Locking Stainless Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Permanent vibration resistance with Nylon Patch thread locking, ensuring assemblies stay securely fastened in demanding environments
• Superior corrosion resistance from 18-8 Stainless Steel construction, ideal for harsh or outdoor industrial applications
• High-strength reliability with 70,000 psi tensile strength and Rockwell B55 hardness for heavy-duty mechanical loads
• Wide operational temperature range from -70° to 250°F, maintaining performance in extreme thermal conditions
• Precise, secure fastening due to UNC coarse threading and Class 3A fit, reducing cross-threading risks
• Easy installation and removal with standard 5/64" hex drive, compatible with common tools for efficient maintenance
• Regulatory peace of mind with full compliance to MIL-DTL-18240, RoHS 3, and REACH standards

Professional Applications & Engineering Value

This 6-32 x 1" rounded head screw is engineered to solve critical challenges in industrial assembly, where vibration loosening and corrosion are primary failure points. The Nylon Patch locking feature provides a permanent, chemical-free thread lock that withstands intense dynamic loads, making it ideal for machinery, automotive subsystems, and electronic enclosures. Manufactured from 18-8 Stainless Steel, it offers excellent resistance to rust and chemical exposure, extending service life in humid or corrosive environments. The UNC coarse thread and Class 3A fit ensure rapid, accurate installation with high clamp force retention, reducing assembly errors and rework. Its rounded head design and hex drive allow for flush mounting and tool access in confined spaces, enhancing design flexibility for OEMs and MRO applications.

Specification Summary & Compliance

This fastener meets precise dimensional standards with UNC coarse threads in a Class 3A fit for superior thread engagement and tolerance control. It is fully threaded for consistent clamping along the entire 1" length. The screw conforms to MIL-DTL-18240 specifications for quality and performance, and is certified RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring adherence to environmental and safety regulations for global supply chains.