S-90402A712 M5 x 10 mm ASME B18.13.1M Steel Pan Head Phillips Screws with External-Tooth Lock Washer

Key Features & Benefits at a Glance

• Superior vibration resistance with an integrated external-tooth lock washer that prevents loosening under dynamic loads
• Enhanced corrosion protection through zinc-plated steel construction, extending service life in harsh industrial environments
• High tensile strength of 60,000 psi ensures reliable fastening under heavy-duty mechanical stress
• Quick and secure installation with coarse M5 x 0.8mm threads and Class 6g fit for easy alignment and reduced cross-threading risks
• Optimized drive engagement via Phillips No. 2 drive, allowing efficient torque application without slippage
• Full-thread design maximizes grip length and load distribution across the entire 10mm shaft
• Rockwell B73 hardness provides excellent wear resistance and durability for repeated use

Professional Applications & Engineering Value

These M5 metric screws with external-tooth lock washers are engineered to solve critical vibration-induced loosening in industrial machinery, automotive assemblies, and electrical enclosures. The zinc-plated steel material offers robust corrosion resistance, while the coarse thread and Class 6g tolerance ensure rapid installation and reliable clamping force. The pan head design with Phillips drive facilitates access in confined spaces, making these fully threaded screws ideal for applications demanding secure, long-term fastening under dynamic operating conditions.

Specification Summary & Compliance

This product features precise M5 x 0.8mm coarse threads with Class 6g fit and complies with ASME B18.13.1M manufacturing standards. It is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring adherence to environmental and safety regulations for industrial use.