Specification corresponding with standard blanks(for Japanese market)

Material Symbols HSS:○ HSS-Co:● HSS-P:◎

Main size designation and specification
① metric② unified③ whitworth④ sewing screw⑤STI (metric)⑥STI (unified)
M35×3 M35×21 3/8-6UNC 1 3/8-8UN 1 3/8-12UNFW1 3/8-6STIM30×3.5STI1 1/4-12UNF
M35×1.5 M35×1 -1 3/8-16UN 1 3/8-18UNEF 1 3/8-20UN 1 3/8-28UN
M35×3 M35×2
M36×4 M36×3 M36×2--STIM33×2
M36×1.5 M36×1 M36×0.5
M36×4 M36×3 M36×2
M37×1.5--
M38×3 M38×2--STIM33×3.5STI1 1/4-7UNC
M38×1.5 M38×1 M38×0.5STI1 3/8-12UNF
M38×3 M38×2
M39×4 M39×3 M39×21 1/2-6UNC 1 1/2-8UN 1 1/2-12UNFW1 1/2-6STIM36×2
M39×1.5 M39×11 1/2-16UN 1 1/2-18UNEF 1 1/2-20UN 1 1/2-28UN
M39×4 M39×3 M39×2
M40×4 M40×3 M40×2--STIM36×3
M40×1.5 M40×1
M40×4 M40×3 M40×2
  • Corresponding pitches meet with the pitches of other kinds.
  • Concerning Hand of threads, both right and left are applicable in the same blank.
  • Concerning the kind of taps, SP, PO, HT, ROLL are applicable in the same blank.