S-94387A441 M6 x 40 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
• Exceptional holding power with 60,000 psi tensile strength and Rockwell B71 hardness for reliable, vibration-resistant connections
• Optimized installation efficiency through JIS No. 3 drive compatibility and fully threaded design for maximum engagement
• Precision fit assurance with Class 6g thread tolerance and controlled length variation (±0.2mm) for consistent assembly results
• Broad application versatility with M6 coarse thread (1mm pitch) configuration suitable for various materials and thicknesses
• Regulatory compliance confidence meeting JIS B 1111 manufacturing standards and RoHS 3 environmental directives
• Enhanced operator comfort with rounded pan head profile that reduces installation fatigue and prevents surface damage

Professional Applications & Engineering Value

Engineered for industrial fastening applications requiring dependable performance, these zinc-plated steel screws address critical challenges in machinery assembly, equipment manufacturing, and structural frameworks. The M6 coarse thread configuration with Class 6g tolerance ensures rapid installation while maintaining secure connections in vibrating environments. The JIS drive system provides positive torque transmission, reducing cam-out incidents during high-torque applications. With full threading along the 40mm length, these pan head screws deliver maximum thread engagement across varied material thicknesses, while the zinc plating creates a protective barrier against corrosion in moderate environmental conditions. The combination of 60,000 psi tensile strength and Rockwell B71 hardness ensures these fasteners maintain integrity under sustained mechanical stress.

Specification Summary & Compliance

Manufactured to JIS B 1111 standard specifications with Class 6g thread fit tolerance and length precision maintained within -0.2 to 0.2 mm variation. These metric screws feature M6 x 1 mm coarse thread configuration with right-hand thread direction and fully threaded design. Compliance includes RoHS 3 (2015/863/EU) environmental regulations, ensuring restriction of hazardous substances for international industrial applications.