Specification corresponding with standard blanks(for Japanese market)

Main size designation and specification
① metric② unified③ whitworth④ sewing screw⑤STI (metric)⑥STI (unified)
M8×1.255/16-18UNCW5/16-18SM9/32-20 SM5/16-18STIM6×1STI№10-24UNC STI№12-24UNC STI№12-28UNF STI1/4-20UNC STI1/4-28UNF
M8×11/4-20UNC 1/4-28UNF 5/16-24UNFW1/4-20
M8×0.75
M10×1.53/8-16UNCW3/8-16SM11/32-28STIM8×1.25STI5/16-18UNC STI5/16-24UNF
M10×1.25
M10×13/8-24UNF
M12×1.75W7/16-14SM7/16-16STIM10×1.5STI3/8-16UNC STI3/8-24UNF
M12×1.57/16-14UNCSTIM10×1.25
M12×1.25STIM10×1
M12×17/16-20UNF
M12×0.75
  • Corresponding pitches meet with the pitches of other kinds.
  • Concerning Hand of threads, both right and left are applicable in the same blank.