S-90317A108 M2.5 x 10 mm JIS B 1188-D Stainless Steel Pan Head Phillips Screws with Internal-Tooth Lock Washer

Key Features & Benefits at a Glance

• Superior vibration resistance with integrated internal-tooth lock washers that maintain secure fastening in high-motion environments
• Excellent corrosion protection from 18-8 stainless steel construction and passivated finish for long-term reliability in harsh conditions
• Optimized driving efficiency with Phillips No. 1 drive that provides reliable torque transfer and prevents cam-out
• Enhanced load distribution through the pan head design that reduces surface pressure and prevents material damage
• Consistent thread engagement with Class 6g coarse threads ensuring reliable performance in various materials
• High mechanical strength delivering 70,000 psi tensile strength and Rockwell B70 hardness for demanding applications
• Complete regulatory compliance meeting JIS B 1188-D standards, RoHS 3, and REACH for global industrial acceptance

Professional Applications & Engineering Value

Engineered for precision fastening in vibration-prone industrial environments, these M2.5 metric screws with internal-tooth lock washers provide permanent solutions to loosening challenges in machinery, automotive assemblies, and electronic enclosures. The 18-8 stainless steel material combined with passivated finish ensures exceptional corrosion resistance, making them ideal for applications exposed to moisture, chemicals, or outdoor conditions. The fully threaded design with coarse thread pitch enables quick installation and maximum thread engagement in various substrates, while the pan head profile offers superior clamping force distribution. These JIS B 1188-D compliant screws deliver reliable performance in precision equipment, manufacturing fixtures, and assembly lines where vibration resistance and material compatibility are critical.

Specification Summary & Compliance

This M2.5x0.45x10mm metric screw features Class 6g thread tolerance with coarse thread spacing for reliable fitment. Manufactured to JIS B 1188-D specifications with complete RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) compliance, ensuring environmental safety and international regulatory acceptance. The screw assembly includes an integrated internal-tooth lock washer (5.7 mm OD, 0.45 mm thickness) manufactured from matching 18-8 stainless steel with passivated finish for consistent corrosion protection throughout the fastener system.