S-93395A266 M4 x 25 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 for long-lasting performance in harsh environments.
• High tensile strength of 70,000 psi ensures reliable fastening under demanding mechanical loads.
• Precise Class 6g thread fit guarantees smooth assembly and secure connections in metric applications.
• 2.5mm hex drive design provides excellent torque transmission and reduces tool slippage during installation.
• Fully threaded M4 x 0.7mm coarse thread offers quick engagement and strong holding power in various materials.
• Compliance with DIN 7991, RoHS 3, and REACH ensures adherence to international quality and safety standards.
• Flat head with 90° countersink allows for a flush, low-profile finish ideal for streamlined industrial assemblies.

Professional Applications & Engineering Value

Engineered for demanding industrial settings, this M4 flat head screw in 316 stainless steel excels in applications where corrosion resistance is critical, such as marine equipment, chemical processing, and outdoor machinery. The passivated finish enhances durability against oxidation and chemical exposure, while the hex drive ensures efficient installation with standard tools, minimizing downtime. Its fully threaded coarse metric thread provides rapid, secure fastening in metals, plastics, and composites, reducing the risk of loosening under vibration. Ideal for assembly lines and maintenance tasks, this screw delivers consistent performance, backed by DIN 7991 specifications for reliability in industrial screws and fasteners.

Specification Summary & Compliance

This product features a metric M4 x 0.7mm coarse thread with Class 6g tolerance for precise fit, a head diameter of 8 mm, and a length of 25 mm. It meets DIN 7991 manufacturing standards and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity.