S-90317A720 M6 x 16 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 vibration resistance with integrated internal-tooth lock washer that maintains secure fastening in high-motion environments
- Excellent corrosion resistance through 18-8 stainless steel construction and passivated finish for extended service life
- High mechanical strength with 70,000 PSI tensile strength and Rockwell B70 hardness for demanding applications
- Reliable thread engagement with Class 6g tolerance and coarse 1mm pitch for quick installation and secure holding power
- Optimized drive performance featuring Phillips No. 3 drive for efficient torque transfer and reduced cam-out risk
- Enhanced locking capability using 410 stainless steel washer with internal teeth that bite into mating surfaces
- Full thread coverage along the entire 16mm length for maximum grip strength and load distribution
Professional Applications & Engineering Value
These M6 metric screws with pan head design and integrated lock washer address critical vibration-induced loosening in industrial equipment, machinery, and automotive assemblies. The 18-8 stainless steel construction combined with passivated finish provides exceptional resistance to corrosion and chemical exposure, making them ideal for harsh operating environments. The internal-tooth lock washer manufactured from 410 stainless steel creates permanent locking action by biting into both the screw head and mounting surface, eliminating the need for additional locking compounds or secondary fastening methods. With fully threaded design and coarse pitch threading, these screws deliver rapid installation and reliable performance in metal-to-metal fastening applications where vibration resistance and structural integrity are paramount.
Specification Summary & Compliance
Manufactured to precise Class 6g thread fit tolerance with M6 x 1mm coarse thread specifications. Fully compliant with ASME B18.13.1M manufacturing standards for dimensional accuracy and performance. Meets RoHS 3 (2015/863/EU) compliance for restricted substance control and REACH (EC 1907/2006) regulations for chemical safety. The passivated finish on both screw and washer components enhances corrosion protection while maintaining dimensional stability across the 16mm length and 12mm head diameter configuration.
