S-90317A555 M3 x 16 mm JIS B 1188-C Stainless Steel Pan Head Phillips Screws with External-Tooth Lock Washer
Stainless Steel Pan Head Phillips Screws with External-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 and passivated finish, ideal for harsh industrial environments.
- Vibration-proof locking performance thanks to the integrated external-tooth lock washer, preventing loosening under dynamic loads.
- High tensile strength (70,000 psi) and Rockwell B70 hardness ensure reliable, long-term fastening in demanding applications.
- Easy installation and removal with Phillips No. 2 drive and standard pan head design, reducing assembly time.
- Precise metric coarse threading (M3 x 0.5mm, Class 6g) provides excellent grip and compatibility with standard metric components.
- Fully threaded shank maximizes engagement and clamping force across the entire 16mm length.
- Compliance with JIS B 1188-C and environmental regulations guarantees quality and safety for global industrial use.
Professional Applications & Engineering Value
This M3 pan head screw with external-tooth lock washer is engineered to address critical challenges in vibration-prone industrial settings, such as machinery, automotive assemblies, and electronic enclosures. The 18-8 stainless steel construction and passivated finish deliver exceptional resistance to rust and chemicals, reducing maintenance costs and downtime. The lock washer bites into surfaces to maintain clamp load, preventing joint failure under cyclic stresses. With a coarse thread (0.5mm pitch) and Class 6g tolerance, it ensures quick installation and reliable performance in metric coarse thread applications, making it a go-to for engineers seeking durable, vibration-resistant fastening solutions.
Specification Summary & Compliance
This screw features M3 x 0.5mm coarse threads with a Class 6g fit for precise dimensional accuracy. It is manufactured in compliance with JIS B 1188-C standards and is RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, ensuring adherence to international safety and environmental regulations. The fully threaded design and lock washer assembly meet rigorous industrial specifications for reliability.
