S-90403A855 M3 x 12 mm ISO 7045 Steel Pan Head Phillips Screws with Internal-Tooth Lock Washer

Key Features & Benefits at a Glance

• Enhanced vibration resistance with integrated internal-tooth lock washer, preventing loosening in dynamic industrial environments.
• Superior corrosion protection from zinc-plated steel finish, extending service life in various operating conditions.
• Reliable thread engagement with Class 6g fit and coarse M3 x 0.5 mm thread, ensuring consistent fastening performance.
• Quick and secure installation using Phillips No. 1 drive, reducing assembly time and tool slippage risks.
• Versatile pan head design with 5.6 mm diameter, providing a low-profile, stable hold for diverse applications.
• Full-threaded 12 mm length offering maximum grip strength along the entire shank for robust connections.
• Compliance with international standards including ISO 7045, ensuring quality and interchangeability in global projects.

Professional Applications & Engineering Value

Engineered for demanding industrial settings, these M3 metric screws with zinc-plated steel construction address critical challenges like vibration-induced failure and corrosion. The internal-tooth lock washer bites into surfaces, maintaining clamp load under stress, while the Class 6g thread fit and coarse pitch enable rapid assembly without cross-threading. Ideal for machinery, electronics, and automotive systems, the fully threaded design and Phillips drive simplify maintenance in tight spaces, reducing downtime and ensuring long-term reliability where secure fastening is non-negotiable.

Specification Summary & Compliance

This screw adheres to ISO 7045 for dimensional consistency, featuring M3 x 0.5 mm coarse threads with Class 6g tolerance and a fully threaded 12 mm length. The zinc-plated steel finish and internal-tooth lock washer (7.35 mm OD, 0.45 mm thick) meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring safe, compliant use in regulated industries.