S-91801A133 M2.5 x 4 mm DIN 965 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel material and passivated finish, ideal for harsh environments and extended service life.
• High tensile strength of 70,000 psi ensures reliable fastening under demanding mechanical loads and vibrations.
• Precise Class 6g thread fit guarantees smooth assembly and secure connections in metric applications.
• Standard 90° countersink angle and flat head design provides a flush, unobtrusive finish for streamlined surfaces.
• Fully threaded shank with coarse 0.45 mm pitch enables quick installation and strong grip in various materials.
• Phillips No. 1 drive offers common tool compatibility and efficient torque application during assembly.
• Compliance with DIN 965, RoHS 3, and REACH ensures adherence to international quality and environmental safety standards.

Professional Applications & Engineering Value

This M2.5 metric screw in 316 stainless steel is engineered to address critical challenges in industrial and electronic assemblies where corrosion resistance and space constraints are paramount. The flat head with 90° countersink allows for seamless integration into panels and enclosures, preventing protrusions that could interfere with components. Its coarse thread pitch and Class 6g tolerance facilitate rapid, reliable fastening in plastics and soft metals, reducing assembly time and minimizing cross-threading risks. The passivated finish enhances durability against moisture and chemicals, making these Phillips drive screws a trusted solution for automotive, marine, and telecommunications equipment that demand long-term performance under stress.

Specification Summary & Compliance

This product adheres to precise dimensional standards, including M2.5 thread size with 0.45 mm coarse pitch and Class 6g thread fit per ISO metric specifications. It is manufactured in compliance with DIN 965 for flat head screws, ensuring consistent quality and interchangeability. Regulatory conformity includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), confirming the absence of hazardous substances and supporting sustainable procurement practices.