Product Description BT/NT--ER Tool Holder Our products hold good reputation in the domestic market, and get many good comments from abroad customers. We can produce all kinds of tool holders. Also can supply tool holders as per your requirements. Any interested in any sizes, please send me the detail specifications, I'll make the accurate quotation for you as soon as possible.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