S-97503A135 Length 25 mm DIN 7983, ISO 7051 Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and long-term outdoor applications.
• Efficient thread cutting design creates precise mating threads in metal and sheet metal, eliminating the need for pre-tapping and reducing assembly time.
• Enhanced aesthetic and flush finish provided by the oval head profile, which sits neatly in countersunk holes for a smooth, professional appearance.
• Secure and reliable fastening ensured by the No. 2 Phillips drive, offering excellent torque transfer and reducing the risk of cam-out during installation.
• Full thread engagement along the entire 25mm length provides maximum holding power and uniform stress distribution in assembled components.
• Guaranteed dimensional accuracy and interchangeability through compliance with DIN 7983 and ISO 7051 international standards.
• Environmentally responsible manufacturing with full compliance to RoHS 3 and REACH regulations, ensuring safety and sustainability in your supply chain.

Professional Applications & Engineering Value

Engineered for demanding metal and sheet metal applications, these M3.9 metric tapping screws solve critical assembly challenges. The 18-8 stainless steel material provides excellent strength and corrosion resistance, essential for automotive, electronics, and construction components exposed to moisture or chemicals. The thread cutting feature allows for direct installation into drilled or punched holes, streamlining production by removing a separate tapping operation. This Phillips oval head design, with its 80° countersink angle, ensures a flush mount that minimizes snagging and improves product aesthetics. By integrating DIN 7983 specifications, these screws deliver consistent performance and reliability in high-vibration environments, reducing maintenance and replacement costs.

Specification Summary & Compliance

This M3.9 x 25mm screw features a fully threaded right-hand design with a pointed tip for easy starting. It meets dimensional and tolerance requirements per DIN 7983 (ISO 7051) for consistent fit and function. The product is manufactured to comply with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for use in various industrial and consumer goods.