S-94387A271 M4 x 45 mm JIS B 1111 JIS Steel Pan Head Screws

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
• Superior holding power with full threading and 60,000 psi tensile strength for reliable, vibration-resistant connections
• Optimized drive engagement with JIS No. 2 drive style ensuring secure tool fit and reduced cam-out risk
• Consistent dimensional accuracy with Class 6g thread fit and tight length tolerances for precise assembly
• Excellent durability with Rockwell B71 hardness maintaining structural integrity under mechanical stress
• Broad compatibility with coarse M4 x 0.7mm thread profile fitting standard metric applications
• Regulatory compliance assurance meeting JIS B 1111 specifications and RoHS 3 environmental standards

Professional Applications & Engineering Value

These zinc-plated steel pan head screws deliver exceptional engineering value in industrial settings where vibration resistance and corrosion protection are critical. The M4 coarse thread configuration with full threading ensures maximum thread engagement in various materials, preventing loosening in dynamic applications. The JIS drive system provides superior torque transmission compared to standard Phillips, reducing installation time and tool wear. With 60,000 psi tensile strength and Rockwell B71 hardness, these metric screws maintain clamping force in high-stress assemblies, making them ideal for machinery, equipment manufacturing, and automotive applications requiring JIS B 1111 compliant fasteners that withstand harsh operating conditions.

Specification Summary & Compliance

This M4 x 45mm pan head screw features Class 6g thread fit with precise length tolerance of -0.15 to 0.15 mm, ensuring dimensional consistency across production batches. Manufactured to JIS B 1111 standard with right-hand coarse threads (0.7 mm pitch) and fully threaded design. The product is RoHS 3 (2015/863/EU) compliant and meets all specified mechanical properties including 60,000 psi tensile strength and Rockwell B71 hardness for guaranteed performance in industrial fastening applications.