Item Type: Pneumatic Tapping Machine ChucksChuck Interface 19Screw tap size form (note: D1 is for the Rod size,D2 is for the Square size)TAPS MODEL(Metric screw tap)ISO Standard screw tap D1D2JIS standard taps D1D2TAPS MODEL(INCH)INCH Screw tap D1D2Pipe thread Pipe Thread Taps D1D2DIN376DIN371DIN352M22.82.253.02.52.5x2.12.8x2.1M33.152.54.03.2442044.03.153.5x2.73.5x2.73.5x2.7M44.03.155.04.05/325.04.04.5x3.44.5x3.44.5x3.4M55.04.05.54.5442715.54.56.0x4.36.0x4.36.0x4.9M66.35.06.04.5442006.04.56.0x4.96.0x4.96.0x4.9M86.35.06.25.0443326.24.58.0x6.28.0x6.26.0x4.9M108.06.37.05.5442637.05.5PT1/88.0x6.310.0x8.010.0x8.07.0x5.5M129.07.18.56.5441989.07.19.0x7.09.0x7.09.0x7.0M1411.29.010.58.54445511.29.0PT1/411.2x9.011.0x9.011.0x9.0M1612.510.012.510.04432412.510.012.0x9.012.0x9.0M1814.011.214.011.04425914.011.2PT3/814.0x11.014.0x11.014.0x11.0M2014.011.215.012.016.0x12.016.0x12.0M2216.012.517.013.04438516.012.518.0x14.518.0x14.5M2418.014.019.015.0PT1/218.0x14.018.0x14.518.0x14.5M2720.016.020.01520.0x16.0M3020.016.023.017.01/8inPT8.06.3PT3/423.0x17.022.0x18.0M3322.418.025.019.01/4inPT11.29.0M3625.020.028.021.03/8inPT14.011.0M3928.022.430.023.01/2inPT18.014.0M4228.022.432.026.0M4531.525.035.026.0PT13/835.0x26.0M4831.525.038.029.0PT11/238.0x29.0M52-5635.528.0PT126.0x21.0PT11/428.0x21.01Pneumatic 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.Please check the size of the chuck and tap before buying.1 x Pneumatic Tapping Machine Chuck