S-94387A274 M4 x 50 mm JIS B 1111 JIS Steel Pan Head Screws
JIS Steel Pan Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with zinc-plated steel construction for extended service life in harsh industrial environments
- Exceptional mechanical strength with 60,000 psi tensile strength and Rockwell B71 hardness for reliable performance under heavy loads
- Precision threading with Class 6g fit and coarse 0.7mm pitch ensures secure fastening and vibration resistance
- Optimized drive compatibility with JIS No. 2 drive style for efficient installation and reduced tool slippage
- Full-length threading provides maximum engagement and holding power across the entire fastener length
- Standard compliance assurance meeting JIS B 1111 specifications for consistent quality and interchangeability
- Environmental responsibility with RoHS 3 compliance, ensuring safe use in regulated applications
Professional Applications & Engineering Value
These M4 metric screws with zinc-plated steel construction address critical industrial challenges where corrosion resistance and mechanical reliability are paramount. The coarse 0.7mm pitch threading combined with Class 6g tolerance ensures rapid assembly and secure fastening in vibration-prone applications such as machinery assembly, electrical enclosures, and automotive components. The rounded pan head design with JIS drive compatibility provides a low-profile finish while preventing tool cam-out during installation. With full threading along the 50mm length, these fasteners deliver maximum clamping force distribution, making them ideal for applications requiring uniform stress distribution and long-term joint integrity in demanding industrial environments.
Specification Summary & Compliance
This M4 x 0.7mm pitch screw features Class 6g thread fit with precise length tolerance of -0.15 to 0.15 mm, ensuring dimensional accuracy for critical assemblies. Manufactured to JIS B 1111 standard specifications with fully threaded right-hand metric threading. The product is RoHS 3 (2015/863/EU) compliant and meets industrial requirements for environmental safety and material restrictions.
