1Pneumatic tapping machine chucks can be applied to tapping machines, drilling machines, milling machines, boring machines, pneumatic tools and other equipment with reversible spindles. 2Our chuck is designed with a quite simple structure, which makes it easy to take or install. 3With good lamping strength and accuracy, our product will have long service life. 4Pneumatic tapping machine chuck is designed with quick and safe replacement, whcih can connect drill chuck post. 5Our tapping chuck of torsion type can prevent the tap from breaking, making it durable.Item Type:PneumaticTappingMachineChucks Chuck Interface 19 Screwtapsizeform(note:D1isfortheRodsize,D2isfortheSquaresize) TAPSMODEL(Metricscrewtap) ISOStandardscrewtapD1D2 JISstandardtapsD1D2 TAPSMODEL(INCH) INCHScrewtapD1D2 Pipethread PipeThreadTapsD1D2 DIN376 DIN371 DIN352 M2 2.82.25 3.02.5 2.5x2.1 2.8x2.1 M3 3.152.5 4.03.2 44204 4.03.15 3.5x2.7 3.5x2.7 3.5x2.7 M4 4.03.15 5.04.0 5/32 5.04.0 4.5x3.4 4.5x3.4 4.5x3.4 M5 5.04.0 5.54.5 44271 5.54.5 6.0x4.3 6.0x4.3 6.0x4.9 M6 6.35.0 6.04.5 44200 6.04.5 6.0x4.9 6.0x4.9 6.0x4.9 M8 6.35.0 6.25.0 44332 6.24.5 8.0x6.2 8.0x6.2 6.0x4.9 M10 8.06.3 7.05.5 44263 7.05.5 PT1/8 8.0x6.3 10.0x8.0 10.0x8.0 7.0x5.5 M12 9.07.1 8.56.5 44198 9.07.1 9.0x7.0 9.0x7.0 9.0x7.0 M14 11.29.0 10.58.5 44455 11.29.0 PT1/4 11.2x9.0 11.0x9.0 11.0x9.0 M16 12.510.0 12.510.0 44324 12.510.0 12.0x9.0 12.0x9.0 M18 14.011.2 14.011.0 44259 14.011.2 PT3/8 14.0x11.0 14.0x11.0 14.0x11.0 M20 14.011.2 15.012.0 16.0x12.0 16.0x12.0 M22 16.012.5 17.013.0 44385 16.012.5 18.0x14.5 18.0x14.5 M24