| | Details | |------------|--------------| | Standard number | JIS B 1188 | | Title | Fasteners – Hexalobular socket head cap screws | | Current version (as of 2026) | JIS B 1188:2014 (confirmed) | | Corresponding international standard | ISO 14579 (modified adoption) |
The torque wrench sang its song of precision. Four bolts, four precise engagements.
Dimensions below represent typical values found in technical data sheets: Thread Size (d) Head Dia (dk) Head Height (k) Flat Washer Dia (D1) 8.0 - 10.0 mm M5 10.0 - 12.0 mm M6 11.5 - 12.5 mm M8 Applications & Advantages
: Eliminates the need to manually pair screws with washers, which is a major time-saver in high-volume production lines like electronics or automotive assembly.