S-94387A429 M6 x 20 mm JIS B 1111 JIS Steel Pan Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, extending service life in demanding industrial environments
• High mechanical strength with Rockwell B71 hardness and 60,000 psi tensile strength for reliable load-bearing performance
• Precision JIS B 1111 compliance ensures consistent quality and interchangeability in metric fastener systems
• Optimized drive engagement with JIS No. 3 drive style providing secure torque transmission and reduced cam-out risk
• Full threading design delivers maximum grip length and uniform stress distribution along the entire fastener
• Class 6g thread fit maintains proper clearance for easy installation while ensuring secure fastening integrity
• Environmental compliance with RoHS 3 standards for safe use in regulated applications

Professional Applications & Engineering Value

These M6 zinc-plated steel rounded head screws deliver exceptional engineering value across industrial applications where corrosion resistance and mechanical reliability are paramount. The pan head design with JIS drive system provides excellent torque transmission for assembly operations, while the coarse thread pitch ensures rapid installation in various materials. The fully threaded configuration maximizes engagement in both thin and thick materials, making these metric screws ideal for machinery, equipment manufacturing, and structural assemblies requiring JIS B 1111 certified fasteners. The combination of zinc plating and steel substrate creates a durable barrier against environmental factors, significantly reducing maintenance frequency in harsh operating conditions.

Specification Summary & Compliance

This M6 x 1 mm fastener features Class 6g thread tolerance with precise length tolerance of -0.2 to 0.2 mm for consistent dimensional accuracy. Manufacturing strictly adheres to JIS B 1111 specifications for metric rounded head screws, ensuring standardized performance. The product is fully RoHS 3 (2015/863/EU) compliant, meeting international environmental regulations for hazardous substance restrictions. With 20 mm length and fully threaded design, these screws provide reliable fastening solutions while maintaining strict quality control throughout production.