S-90434A155 Length 16 mm Tapping Screws

Key Features & Benefits at a Glance

• Superior holding power in plastic materials through advanced thread-forming technology that eliminates the need for pre-tapping, reducing assembly steps and labor costs.
• Enhanced corrosion resistance with zinc-plated steel construction, ensuring long-term durability in various industrial environments.
• Efficient and reliable installation with a standard Phillips No. 2 drive, allowing for quick, secure fastening with common tools.
• Optimal flush seating thanks to the flat head design and 90° countersink angle, providing a smooth, professional finish in plastic assemblies.
• Full-thread engagement for maximum grip across the entire 16mm length, distributing load evenly and preventing loosening under vibration.
• Precision compatibility with a 3mm drill bit, ensuring accurate pilot holes and reducing the risk of material damage during installation.
• Environmentally responsible sourcing with full compliance to RoHS 3 and REACH standards, supporting sustainable manufacturing practices.

Professional Applications & Engineering Value

Engineered for plastic fastening applications, these M4 TRS tapping screws utilize thread-forming technology to create strong, permanent threads in thermoplastic and thermoset materials without cracking or stress. The zinc-plated steel material offers excellent resistance to oxidation, making it ideal for electronics enclosures, automotive trim, and consumer goods where reliability is critical. The Phillips flat head design ensures a flush mount, reducing snag points and improving aesthetics in visible assemblies. By eliminating the need for separate tapping operations, these screws streamline production lines, cut down on tooling costs, and minimize assembly errors, delivering consistent performance in high-volume industrial screw applications.

Specification Summary & Compliance

This metric tapping screw features an M4 x 16mm size with fully threaded right-hand threading and an approximate thread pitch of 1.79 mm, ensuring precise fit in accordance with standard thread-forming practices. Manufactured to provide reliable performance in plastics, it is designed for use with a 3mm drill bit and includes a 90° countersink angle for proper seating. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming its adherence to environmental and safety standards for industrial fasteners.