e1 e1 Taper d1 (mm) d3 (mm) d6 (mm) f1 (mm) f3 (mm) L1 (mm) L4 (mm) L6 (mm) a (mm) b (mm) G 40 44,45 17 63 16,6 25 65,4 30 22,6 2 16,1 M16 50 69,85 25 100 23,2 35 101,8 45 35,4 3 25,7 M24 Product Series Page f1 f3 L1 a L6 8°17'50" d3 G d6 d5 b L4 d1 d BT - Toolholder Standard BT40/50 800 20° max. 35° d12 D1 D J BT - ER Collet Chuck BT30-ER16/20 801 G L2Ref L1Ref LRef D1 D BT - ER Collet Chuck - Metric BT30/40/50-ER25/32/40/50 802 G J L2Ref L1Ref LRef LRef L1Ref BT - Short ER Collet Chuck - Metric BT30/40/50-ER20/32/40-SHORT 803 G1 D G J L L1 BT - End Mill Holder Short Length BT40-EM 3/8, 1/2, 5/8, 3/4, 1, 1 1/4 804 D d G L L1 BT40/50-EM3/16, 1/4, 3/8, 1/2, 5/8, 3/4, 7/8, 1, D D BT - End Mill Holderdd 1 1/4, 1 1/2, 2 805 G Lmax M6 Lmin 4°30’ G d D D1 BT - Thermal Shrink Holder - Metric BT40/50-SRKIN6/8/10/12/14/16/18/20/25/32 806 J L2 L1 L Lmax D1 Lmin 4˚ G d D BT - Thermal Shrink Holder - Metric BT40-SRK3/4/5/6/8/10/12 807 J L2 L1 L 798