S-94209A366 M4 x 20 mm DIN 7500 C Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, ensuring long-lasting performance in demanding industrial environments.
• High-strength thread forming capability with tri-lobe shank design, creating secure, vibration-resistant threads in ductile materials without pre-drilling.
• Optimized for soft metals including aluminum, brass, and copper, providing reliable fastening with reduced risk of material damage.
• Efficient installation with Phillips No. 2 drive and pan head design, allowing for quick assembly with standard tools.
• Precision dimensional control with tight length tolerance (±0.65mm), ensuring consistent performance and fit in automated assembly processes.
• Full regulatory compliance meeting DIN 7500 C specifications, RoHS 3, and REACH standards for global market acceptance.
• Coarse thread pitch (0.7mm) enabling faster installation and superior pull-out resistance in soft material applications.

Professional Applications & Engineering Value

These M4 thread forming screws are specifically engineered to address common challenges in soft metal assembly applications. The zinc-plated steel construction provides essential corrosion protection while maintaining high tensile strength. The innovative tri-lobe shank design displaces material during installation, creating permanent, high-retention threads in aluminum, brass, and copper components without generating chips. This eliminates tap breakage concerns and reduces assembly time in high-volume production environments. The Phillips drive system ensures reliable torque transmission, while the pan head profile offers excellent clearance and seating characteristics. These metric fasteners are particularly valuable in electronics enclosures, automotive components, and HVAC systems where vibration resistance and material integrity are critical.

Specification Summary & Compliance

This M4 x 0.7mm coarse thread screw features precision metric threading with a length tolerance of -0.65 to 0.65mm, ensuring consistent dimensional accuracy. Manufactured to DIN 7500 C standards for thread forming screws, these fasteners guarantee reliable performance in specified applications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting the latest environmental and safety requirements for industrial components. The thread forming design with tri-lobe shank cross-section provides superior holding power in accordance with established engineering specifications.