S-93395A197 M3 x 5 mm DIN 7991 Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel and passivated finish, ideal for harsh industrial environments.
• Reliable fastening and easy installation using the 2 mm hex drive, preventing stripping and ensuring secure torque application.
• Precise flush mounting with a standard 90° countersink angle and flat head design for a smooth, professional finish.
• Consistent thread engagement through a fully threaded M3 x 0.5 mm coarse thread with Class 6g fit, enhancing assembly speed and hold.
• High mechanical strength offering 70,000 psi tensile strength for durable, long-lasting connections in demanding applications.
• Guaranteed dimensional accuracy and compliance with DIN 7991 standards, ensuring interchangeability and reliability.
• Safe for regulated industries with full RoHS 3 and REACH compliance, meeting environmental and health standards.

Professional Applications & Engineering Value

These M3 flat head screws in 316 stainless steel are engineered to solve common industrial challenges like corrosion and vibration loosening. The passivated finish significantly enhances resistance to chemicals and moisture, making them perfect for marine, chemical processing, and outdoor equipment. With a fully threaded design and coarse thread pitch, they provide quick installation and strong holding power in materials like metal and plastic, reducing assembly time and maintenance needs. The hex drive ensures high torque transfer without slippage, while the flat head and 90° countersink allow for seamless integration into surfaces, preventing protrusions and improving safety in machinery and structural applications.

Specification Summary & Compliance

This screw adheres to precise dimensional tolerances, including a head diameter of 6 mm with a tolerance of -0.3 to 0 mm, and thread specifications of M3 size with 0.5 mm pitch and Class 6g fit per metric standards. It conforms to the DIN 7991 manufacturing standard for flat head screws and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for global industrial use.