⑦-76 JIS ⑪ ⑩ ⑨ ⑧ ⑦ ⑥ ⑤ ④ ③ ② ① JIS ⑦ 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)