S-90317A125 M3 x 16 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 through the integrated internal-tooth lock washer, preventing loosening in high-stress environments
• Excellent corrosion resistance from 18-8 stainless steel construction with passivated finish, ensuring long-term durability in harsh conditions
• Reliable fastening performance with 70,000 PSI tensile strength and Rockwell B70 hardness for demanding applications
• Enhanced installation efficiency with Phillips No. 2 drive and fully threaded design for quick, secure assembly
• Precise metric threading with Class 6g tolerance and coarse pitch for optimal engagement and load distribution
• Comprehensive compliance assurance meeting JIS B 1188-D standards plus RoHS 3 and REACH environmental regulations
• Optimized head design featuring pan style with standard rounded profile for flush mounting and improved aesthetics

Professional Applications & Engineering Value

These M3 metric screws with internal-tooth lock washers provide critical vibration-resistant fastening solutions for industrial equipment, automotive assemblies, and electronic enclosures where constant motion or thermal cycling causes conventional fasteners to fail. The 18-8 stainless steel construction with passivated finish delivers exceptional corrosion resistance in humid or chemical-exposed environments, while the fully threaded design with Class 6g precision ensures maximum thread engagement and load distribution. The combination of 70,000 PSI tensile strength and Rockwell B70 hardness makes these pan head Phillips screws ideal for applications requiring repeated disassembly without compromising fastener integrity, from machinery maintenance to precision instrument manufacturing.

Specification Summary & Compliance

This M3 x 0.5mm pitch x 16mm length fastener features Class 6g thread fit with coarse spacing according to metric standards. Manufacturing complies with JIS B 1188-D specifications for dimensional accuracy and performance. The product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance requirements, ensuring safe use across regulated industries. The integrated internal-tooth lock washer (6.5mm OD, 0.45mm thickness) maintains consistent locking performance throughout the fastener's service life.