Product Description CNC Tool Holder We can make all kinds of tool holders, also can supply special specification as per your requirements. Turning precision is accurate. If you have any needs or questions, please contact us.Specifications L1 L D1 D2(ER) D3 T Weight(kgs) BT30*ER16-70 70 118.4 28 16 28 M10*1.5P 0.55 BT30*ER16-100 100 148.4 0.8 BT30*ER16-120 120 168.4 0.95 BT30*ER20-70 70 118.4 34 20 34 M12*1.75P 0.75 BT30*ER20-100 100 148.4 BT30*ER20-135 135 183.4 1.15 BT30*ER25-70 70 118.4 42 25 42 M16*2.0P 0.7 BT30*ER25-135 135 183.4 1.45 BT30*ER32-70 70 118.4 50 32 45 0.85 BT30*ER32-100 100 148.4 1 BT30*ER40-80 80 128.4 63 40 53 1.1 BT40*ER16-70 70 135.4 28 16 28 M10*1.5P 1.2 BT40*ER16-100 100 165.4 1.3 BT40*ER16-125 125 190.4 1.36 BT40*ER16-150 150 215.4 1.54 BT40*ER20-70 70 135.4 34 20 34 M12*1.75P 1.4 BT40*ER20-100 100 170.4 1.5 BT40*ER20-135 135 200.4 1.7 BT40*ER20-150 150 215.4 1.8 BT40*ER25-70 70 135.4 42 25 42 M16*2.0P 1.3 BT40*ER25-100 90 155.4 1.5 BT40*ER25-125 125 190.4 1.9 BT40*ER25-150 150 215.4 2.25 BT40*ER32-70 70 135.4 50 32 50 M16*2.0P 1.3 BT40*ER32-100 100 165.4 1.7 BT40*ER32-150 150 215.4 2.5 BT40*ER40-80 80 145.4 63 40 63 M20*2.0P 1.5 BT40*ER40-100 100 165.4 2.05 BT40*ER40-120 120 185.4 2.5 BT40*ER40-150 150 215.4 3.1 BT40*ER40-85 85 145.4 78 50 59 M24*2.0P 1.7 BT40*ER50-100 100 165.4 2.1