S-93395A173 M2.5 x 5 mm DIN 7991 Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments due to 316 Stainless Steel material and passivated finish
• Reliable high-strength performance with a tensile strength of 70,000 psi for demanding applications
• Precise and secure fastening ensured by Class 6g thread fit and coarse 0.45mm pitch for quick assembly
• Streamlined, flush installation with a standard 90° countersink angle and flat head design
• Easy installation and removal using a standard 1.5mm hex drive, reducing tool slip and damage
• Consistent dimensional accuracy with head diameter tolerance of -0.3 to 0 mm for uniform fit
• Compliance with international standards including DIN 7991, RoHS 3, and REACH for quality and environmental safety

Professional Applications & Engineering Value

These M2.5 metric screws are engineered to address critical challenges in industrial settings where corrosion resistance and mechanical reliability are paramount. The 316 Stainless Steel construction, combined with a passivated finish, provides exceptional protection against corrosive agents, making them ideal for marine, chemical processing, and outdoor equipment. The fully threaded design and coarse pitch ensure strong holding power and rapid installation in materials like metals and plastics. With a flat head and 90° countersink angle, they offer a smooth, flush surface that minimizes protrusion and improves aesthetics in assemblies such as electronic enclosures, machinery, and automotive components. The hex drive allows for high-torque application without stripping, enhancing efficiency in high-volume production lines.

Specification Summary & Compliance

This flat head screw adheres to precise dimensional standards, including a Class 6g thread fit per metric specifications and head diameter tolerance of -0.3 to 0 mm for consistent performance. It conforms to DIN 7991 for mechanical and dimensional requirements, ensuring interoperability in European engineering applications. Additionally, the product is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and suitable for environmentally conscious industries.