Item Type: Pneumatic Tapping Machine Chucks Screw 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 D1D2DIN376DIN371DIN352 M22.82.253.02.52.5x2.12.8x2.1 M33.152.54.03.2442044.03.153.5x2.73.5x2.73.5x2.7 M44.03.155.04.05/325.04.04.5x3.44.5x3.44.5x3.4 M55.04.05.54.5442715.54.56.0x4.36.0x4.36.0x4.9 M66.35.06.04.5442006.04.56.0x4.96.0x4.96.0x4.9 M86.35.06.25.0443326.24.58.0x6.28.0x6.26.0x4.9 M108.06.37.05.5442637.05.5PT1/88.06.310.0x8.010.0x8.07.0x5.5 M129.07.18.56.5441989.07.19.0x7.09.0x7.09.0x7.0 M1411.29.010.58.54445511.29.0PT1/411.29.011.0x9.011.0x9.0 M1612.510.012.510.04432412.510.012.0x9.012.0x9.0 M1814.011.214.011.04425914.011.2PT3/814.011.014.0x11.014.0x11.0 M2014.011.215.012.016.0x12.016.0x12.0 M2216.012.517.013.04438516.012.518.0x14.518.0x14.5 M2418.014.019.015.0PT1/218.014.018.0x14.518.0x14.5 M2720.016.020.01520.0x16.0 M3020.016.023.017.01/8inPT8.06.3PT3/423.017.022.0x18.0 M3322.418.025.019.01/4inPT11.29.0 M3625.020.028.021.03/8inPT14.011.0 M3928.022.430.023.01/2inPT18.014.0 M4228.022.432.026.0 M4531.525.035.026.0PT13/835.026.0 M4831.525.038.029.0PT11/238.029.0 M52-5635.528.0 PT126.021.0 PT11/4 Package List 1 x Pneumatic Tapping Machine Chucks Please check the size of the chuck and tap before buying. 1Our chuck is widely used in tapping machines, drilling machines, milling machines, boring machines, pneumatic tools and other equipment with reversible spindles. 2The structure of our chuck is quite simple, which makes it easy to take or install. 3Our product is designed with good lamping strength and accuracy, long service life. 4Pneumatic tapping machine chuck with quick and safe replacement, can connect drill chuck post. 5Our torsion type tapping chuck can prevent the tap from breaking, making it durable.