S-90317A408 M2.5 x 10 mm ASME B18.13.1M 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 vibration resistance with integrated external-tooth lock washer to maintain secure fastening in dynamic environments
- Excellent corrosion resistance from 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 thread fit and coarse thread spacing for quick assembly and secure hold
- Optimized drive performance through Phillips No. 1 drive style and pan head design for efficient installation
- Dual-material durability combining 18-8 stainless steel screw with 410 stainless steel washer for consistent performance
- Full threading capability ensuring maximum grip along the entire 10mm length for versatile mounting applications
Professional Applications & Engineering Value
Engineered for precision applications where vibration resistance and corrosion protection are critical, these M2.5 metric screws with external-tooth lock washers provide reliable fastening solutions for industrial equipment, electronic enclosures, and automotive components. The combination of 18-8 stainless steel material and passivated finish ensures long-term performance in harsh environments, while the coarse thread pitch (0.45mm) and Class 6g thread fit enable quick installation with minimal cross-threading risk. The pan head design with Phillips drive offers excellent torque transmission, making these fully threaded machine screws ideal for applications requiring consistent clamping force and vibration-proof security.
Specification Summary & Compliance
This M2.5 x 10mm pan head screw features Class 6g thread tolerance with coarse thread spacing (0.45mm pitch) and meets ASME B18.13.1M manufacturing specifications. The assembly complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industries. The fully threaded design provides consistent engagement, while the external-tooth lock washer (5.5mm OD, 0.45mm thickness) manufactured from 410 stainless steel with passivated finish delivers reliable locking performance.
