①-36 JIS ⑪ ⑩ ⑨ ⑧ TYPE:9TYPE:8 ⑦ ⑥ TYPE:7TYPE:6 ⑤ TYPE:5TYPE:4 ④ ③ TYPE:3TYPE:2 ② ①TYPE:1 JIS ① Length ofSize ofShankShankThread + NeckThreadOverallsquaresquaredia.lengthlengthlengthlengthℓkKDsℓsℓnℓL Center DrillsCentering ToolsDies Thread MillsPremium Thread MillsPipe TapsSpecial Thread TapsSimple Inspection ToolsRoll TapsCementedCarbide TapsHand TapsSpiral Pointed Taps(for through hole)Spiral Fluted Taps(for through hole)Spiral Fluted Taps(for blind hole)