QC40 Shank Tools QC40 Shank Tools Jacobs Taper Adapters system size JT-QC IN system order number catalog number size D1 L1 lbs 1018909 QC40JT2188 2 .56 1.01 2.02 1018910 QC40JT3225 3 .81 1.03 2.11 1018913 QC40JT33194 33 .62 .94 2.00 1018911 QC40JT4269 4 1.12 1.03 2.44 1018912 QC40JT6194 6 .68 .94 2.02 NOTE: For retention knobs, see page J33. WWW.WIDIA.COM G17