DRILL BODY COMPARISON: GOLD TWIST VS. QWIK TWIST GR SERIES The new Gold Twist pocket design's contact/clamping area is three times deeper than our current Qwik Twist drill. The accuracy of the added cylinder to the clamping area improves rigidity and helps reduce internal stresses. The two precision ground positive stop locations improve the Positive stop drilling tips' position and support. L 3xL CYLINDRICAL SHANKS 1.5XD Drilling GOLD TWIST - CYLINDRICAL SHANK Coolant D1 D2 L1 L2 L4 L3 1.5xD D1 L1 D2 D3 L2 L4 L3Tip Diameter RangeDOCShank Dia.Fig Dia.Ext.Shank LengthOALPocketSizeKey TD0700010S4R01 0.2756 0.2913 0.43 0.500 N/A 0.99 1.77 2.760 7 KTD6.0-D9.9 GOLD TWIST - WELDON SHANK - SHORTER TD0750011S4R01 0.2953 0.3110 0.44 0.500 N/A 1.02 1.77 2.790 7.5 KTD6.0-D9.9 TD0800012S4R01 0.3150 0.3504 0.47 0.500 N/A 1.10 1.77 2.870 8 KTD6.0-D9.9 TD0900013S4R01 0.3543 0.3898 0.55 0.500 N/A 1.15 1.77 2.920 9 KTD6.0-D9.9 TD1000015S6R01 0.3937 0.4291 0.59 0.625 N/A 1.23 1.89 3.120 10 KTD10.0-19.9 D1 D2 D3 TD1100016S6R01 0.4331 0.4685 0.67 0.625 N/A 1.30 1.89 3.190 11 KTD10.0-19.9 TD1200018S6R01 0.4724 0.5079 0.71 0.625 N/A 1.38 1.89 L1 L2 3.270 12 L4 KTD10.0-19.9 TD1300019S6R01 0.5118 0.5472 0.79 0.625 N/A 1.46 1.89 3.350L3 13 KTD10.0-19.9 TD1400021S6R01 0.5512 0.5866 0.83 0.625 N/A 1.62 1.89 3.510 14 KTD10.0-19.9 TD1500022S7R01 0.5906 0.6260 0.91 0.750 N/A 1.82 1.97 3.790 15 KTD10.0-19.9 TD1600024S7R01 0.6299 0.6654 0.94 0.750 N/A 1.94 1.97 3.910 16 KTD10.0-19.9 TD1700025S7R01 0.6693 0.7047 1.02 0.750 N/A 2.06 1.97 4.030 17 KTD10.0-19.9 TD1800027S1R01 0.7087 0.7441 1.06 1.000 N/A 2.19 2.20 4.390 18 KTD10.0-19.9 TD1900028S1R01 0.7480 0.7835 1.14 1.000 N/A 2.30 GO2L.D20TWIST - W4.E5L0D0ON SHAN1K9 - LONGEKRTD10.0-19.9 TD2000030S1R01 0.7874 0.8228 1.18 1.000 N/A 2.43 2.20 4.630 20 KTD20.0-D26.9 TD2100031S1R01 0.8268 0.8622 1.26 1.000 N/A 2.55 2.20 4.750 21 KTD20.0-D26.9 TD2200033S1R01 0.8661 0.9016 1.30 1.000 N/A 2.6D71 2.20 4.870 22 KTD20.0-D2D62.9D3 TD2300034S9R01 0.9055 0.9409 1.38 1.250 N/A 2.79 2.36 5.150 23 KTD20.0-D26.9 L1 TD2400036S9R01 0.9449 0.9803 1.42 1.250 N/A 2.91 2.36 L2 5.270 24 LK4 TD20.0-D26.9 TD2500037S9R01 0.9843 1.0197 1.50 1.250 N/A 3.03 2.36 5.3L390 25 KTD20.0-D26.9 259