S-90317A198 M5 x 8 mm ASME B18.13.1M Stainless Steel Pan Head Phillips Screws with Internal-Tooth Lock Washer
Stainless Steel Pan Head Phillips Screws with Internal-Tooth Lock Washer
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Washer & Nut
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments.
- Reliable vibration resistance through the integrated 410 stainless steel internal-tooth lock washer, preventing loosening under dynamic loads.
- High mechanical strength offering 70,000 psi tensile strength and Rockwell B70 hardness for durable, long-lasting assemblies.
- Precise metric threading with M5 x 0.8mm coarse thread and Class 6g fit, ensuring easy installation and secure fastening.
- Efficient installation with Phillips No. 2 drive and standard pan head design, allowing for quick and straightforward assembly.
- Full compliance with ASME B18.13.1M standards, RoHS 3, and REACH regulations, guaranteeing quality and environmental safety.
- Versatile application as a fully threaded screw with washer, suitable for various industrial settings requiring metric fasteners.
Professional Applications & Engineering Value
This M5 pan head screw with an internal-tooth lock washer is engineered to address critical challenges in industrial assembly, such as vibration-induced loosening and corrosion. Made from 18-8 stainless steel and featuring a passivated finish, it provides excellent resistance to rust and chemical exposure, making it ideal for machinery, automotive, and outdoor equipment. The 410 stainless steel lock washer bites into surfaces to maintain clamp load, reducing maintenance needs and enhancing safety in high-stress applications. With a coarse thread and Class 6g fit, it ensures rapid installation and reliable performance in metric-based systems, supporting efficient production lines and reducing downtime.
Specification Summary & Compliance
This fastener adheres to precise dimensional standards, including M5 x 0.8mm coarse thread with Class 6g thread fit for consistent accuracy. It meets ASME B18.13.1M specifications for mechanical and dimensional requirements, and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for various industrial uses.
