S-90769A111 Length 25 mm DIN 7504 N, ISO 7049 Tapping Screws

Key Features & Benefits at a Glance

• Eliminates pre-drilling requirements with a specialized drill tip that penetrates up to 2.25mm thickness in steel, stainless steel, aluminum, and wood, saving significant labor time and tooling costs.
• Superior corrosion resistance provided by the zinc-plated steel construction, ensuring long-term durability and reliability in harsh industrial environments.
• High-strength thread-forming capability creates durable, secure threads in various materials, reducing the risk of stripping and providing excellent vibration resistance.
• Wide material compatibility for use in steel, stainless steel, aluminum, fabric, insulation, sheet metal, and wood, offering versatile application across multiple industries.
• Secure and efficient drive engagement with the Phillips No. 2 drive style, allowing for high torque application and reducing cam-out during installation.
• Full thread engagement along the 25mm length ensures maximum grip and load distribution, enhancing joint integrity in demanding applications.
• Compliance with international standards including DIN 7504 N and ISO 7049, guaranteeing consistent quality, dimensional accuracy, and performance reliability.

Professional Applications & Engineering Value

This M3.5 x 25mm zinc-plated steel tapping screw is engineered to solve critical fastening challenges in industrial assembly. Its thread-forming design and self-drilling tip eliminate the need for separate drilling and tapping operations, drastically reducing installation time and labor costs in sheet metal fabrication, HVAC systems, and structural assemblies. The metric thread with an approximate pitch of 1.3mm ensures precise engagement in steel, aluminum, and wood substrates, while the zinc plating provides essential corrosion protection for outdoor or high-moisture environments. The Phillips pan head offers a low-profile, secure fastening solution that withstands vibration in machinery, automotive components, and construction applications, making it an indispensable component for engineers seeking efficiency and reliability.

Specification Summary & Compliance

This M3.5 tapping screw features a 25mm length with fully threaded right-hand metric threads and meets DIN 7504 N and ISO 7049 specifications for dimensional accuracy and performance. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in various industrial applications. The screw's thread-forming tapping method and precise Class 2A equivalent tolerance provide reliable fastening in demanding conditions.