TAP, THREAD CUTTING, (STANDARD, AMERICAN NATIONAL FORM AND METRIC SPARK PLUG THREAD, HIGH-SPEED STEEL, GROUND THREAD, HAND) (SUPERSEDING GGG-T-70A) (S/S BY ASME-B94.9-1999)
丝锥 螺纹切削 （美国国家标准和公制火花塞螺纹 高速钢 磨光螺纹 手动）（替代GGG-T-70A）（S/S由ASME-B94.9-1999提供）

1998-09-08

TAP, THREAD CUTTING, (STANDARD, AMERICAN NATIONAL FORM AND METRIC SPARK PLUG THREAD, HIGH-SPEED STEEL, GROUND THREAD, HAND) (SUPERSEDING GGG-T-70A) (S/S BY ASME-B94.9-1999)
丝锥 螺纹切削 （美国国家标准和公制火花塞螺纹 高速钢 磨光螺纹 手动）（替代GGG-T-70A）（S/S由ASME-B94.9-1999提供）

1998-09-08

TAP, THREAD CUTTING (GROUND, HIGH SPEED STEEL, REGULAR, MACHINE SCREW TAPS) (SUPERSEDING A-A-624) (S/S BY BS-1831-1985(R99))
螺纹切削丝锥（磨削高速钢普通机用丝锥）（代替A-A-624）（BS-1831-1985（R99）标准S/S）

1987-12-07

TAP, THREAD CUTTING (GROUND, HIGH SPEED STEEL, REGULAR, MACHINE SCREW TAPS) (SUPERSEDING A-A-624) (S/S BY BS-1831-1985(R99))
螺纹切削丝锥（磨削高速钢普通机用丝锥）（代替A-A-624）（BS-1831-1985（R99）标准S/S）

1987-12-07