S-90402A717 M6 x 12 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 with integrated external-tooth lock washer prevents loosening under dynamic loads
- Superior corrosion protection through zinc-plated steel construction for extended service life in harsh environments
- High tensile strength of 60,000 psi ensures reliable performance in demanding mechanical applications
- Optimized drive engagement with Phillips No. 3 drive provides efficient installation and reduced cam-out risk
- Precision metric threading with Class 6g tolerance guarantees consistent fit and reliable fastening
- Full threading design enables maximum grip length and uniform stress distribution
- Standardized dimensions ensure compatibility with existing metric fastener systems and tooling
Professional Applications & Engineering Value
These M6 metric screws with zinc-plated steel construction address critical industrial fastening challenges where vibration resistance and corrosion protection are paramount. The combination of fully threaded M6x1 mm coarse threads and integrated external-tooth lock washer creates a robust anti-vibration solution for machinery, equipment assembly, and automotive applications. The rounded pan head with Phillips drive facilitates quick installation while maintaining a low profile. Engineered to withstand repetitive stress cycles, these screws maintain clamping force in high-vibration environments, reducing maintenance frequency and preventing equipment downtime. The Class 6g thread fit ensures precise engagement with mating components, delivering consistent performance across production runs.
Specification Summary & Compliance
Manufactured to exacting metric standards with M6x1 mm coarse threads meeting Class 6g tolerance. Complies with ASME B18.13.1M mechanical specifications, RoHS 3 (2015/863/EU) for hazardous substance restriction, and REACH (EC 1907/2006) compliance for chemical safety. Features fully threaded design with right-hand thread direction, 12 mm length, and Rockwell B73 hardness rating. The integrated lock washer maintains 12.1 mm OD with 0.75 mm thickness for optimal locking performance.
