S-94387A250 M4 x 12 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 tensile strength of 60,000 psi ensures reliable, vibration-resistant fastening for critical applications
• Precision Class 6g thread fit guarantees consistent engagement and reduced assembly time
• JIS B 1111 standard compliance provides guaranteed dimensional accuracy and interchangeability
• Fully threaded design offers maximum grip length and uniform load distribution
• Rockwell B71 hardness maintains thread integrity during repeated installation and removal
• RoHS 3 compliance meets international environmental regulations for safe usage

Professional Applications & Engineering Value

These M4 metric screws with zinc-plated steel construction address common industrial fastening challenges where corrosion resistance and mechanical reliability are paramount. The coarse 0.7mm pitch threading combined with Class 6g tolerance ensures rapid assembly with minimal cross-threading risk, significantly reducing production downtime. The pan head design with JIS drive provides excellent torque transmission while the fully threaded configuration delivers superior holding power across the entire 12mm length. Ideal for machinery, electrical enclosures, and automotive components, these screws maintain 60,000 psi tensile strength under dynamic loads and vibration, preventing joint failure in critical applications.

Specification Summary & Compliance

Manufactured to JIS B 1111 standards with metric M4 x 0.7mm coarse thread and Class 6g thread fit. Dimensional accuracy maintained with length tolerance of -0.15 to 0.15 mm. Fully compliant with RoHS 3 (2015/863/EU) environmental regulations. Mechanical properties include Rockwell B71 hardness and 60,000 psi tensile strength.