S-93395A257 M4 x 12 mm DIN 7991 Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction with passivated finish
• Reliable flush mounting with a standard 90° countersink angle flat head for secure, unobtrusive installations
• High-strength performance with 70,000 psi tensile strength ensuring joint integrity under load
• Secure, slip-resistant driving provided by the 2.5mm hex drive for efficient assembly and disassembly
• Precise, consistent threading with Class 6g fit and full threading for optimal engagement and holding power
• Confident global sourcing with compliance to DIN 7991, RoHS 3, and REACH environmental standards
• Broad compatibility with coarse M4x0.7mm metric thread for common industrial applications

Professional Applications & Engineering Value

This M4 flat head screw is engineered for demanding applications where corrosion resistance and reliable fastening are critical. The 316 stainless steel material and passivated finish provide exceptional durability against chemicals, moisture, and salt spray, making these metric hex drive screws ideal for marine, chemical processing, and food industry equipment. The fully threaded design with Class 6g fit ensures maximum thread engagement and vibration resistance, while the flat head with 90° countersink offers a clean, flush finish that prevents snagging and improves safety. These industrial fasteners deliver long-term reliability in assemblies requiring repeated maintenance or exposure to corrosive elements.

Specification Summary & Compliance

This fastener features M4 x 0.7mm coarse thread with Class 6g thread fit per ISO metric standards, 12mm length, and 2.5mm hex drive. Manufactured to DIN 7991 specifications with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental responsibility and material safety.