S-90402A718 M6 x 16 mm ASME B18.13.1M Steel Pan Head Phillips Screws with External-Tooth Lock Washer
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
- Vibration-resistant locking: Integrated external-tooth lock washer prevents loosening under dynamic loads, ensuring long-term joint integrity.
- Enhanced corrosion protection: Zinc-plated steel construction provides reliable rust resistance in demanding industrial environments.
- Optimized drive engagement: Phillips No. 3 drive offers secure tool mating and efficient installation with standard equipment.
- High tensile strength: 60,000 psi rating and Rockwell B73 hardness deliver reliable performance under mechanical stress.
- Precision thread fit: Class 6g coarse threads (M6 x 1mm) enable quick assembly and secure fastening in various materials.
- Full-threaded design: 16mm fully threaded shank maximizes grip length and load distribution across the entire fastener.
- Standardized dimensions: Pan head profile with 12mm diameter ensures compatibility with common tooling and applications.
Professional Applications & Engineering Value
These M6 pan head screws with integrated external-tooth lock washers solve critical vibration-induced loosening problems in machinery, automotive assemblies, and electrical enclosures. The zinc-plated steel construction combined with coarse metric threading provides excellent corrosion resistance while enabling rapid installation in sheet metal, plastic components, and structural frameworks. The fully threaded design ensures maximum thread engagement in both thick and thin materials, while the Phillips drive system allows for efficient high-volume assembly operations. Engineered to maintain clamp load under continuous vibration, these industrial fasteners deliver reliable performance in manufacturing equipment, transportation systems, and heavy-duty applications where secure fastening is non-negotiable.
Specification Summary & Compliance
Manufactured to ASME B18.13.1M standards with Class 6g thread fit tolerance. Features M6 x 1mm coarse threads, 16mm length, and pan head configuration. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Mechanical properties include 60,000 psi tensile strength and Rockwell B73 hardness rating.
