SpanFnleart BTA INDEXABLE DRILLS TBTA-D SINGLE TUBE SYSTEM - OUTER FOUR START THREAD Diameter 1.181 - 2.559 Ø d2 ØD Ø d1 l1 L Designation D Dimension Spanner TubeLl1d1d2FlatPartDiameter TBTA-Dx.xxxSE4-26 1.181 - 1.220 2.76 0.96 0.827 0.925 0.75 BTSI 026 1.024 TBTA-Dx.xxxSE4-28 1.221 - 1.311 2.76 0.96 0.906 1.004 0.83 BTSI 028 1.102 TBTA-Dx.xxxSE4-30 1.311 - 1.425 2.76 0.96 1.004 1.102 0.94 BTSI 030 1.181 TBTA-Dx.xxxSE4-33 1.426 - 1.559 2.95 1.20 1.063 1.181 1.02 BTSI 033 1.299 TBTA-Dx.xxxSE4-36 1.559 - 1.693 3.15 1.20 1.181 1.299 1.10 BTSI 036 1.417 TBTA-Dx.xxxSE4-39 1.693 - 1.850 3.54 1.20 1.299 1.417 1.18 BTSI 039 1.535 TBTA-Dx.xxxSE4-43 1.851 - 2.035 3.54 1.20 1.417 1.535 1.26 BTSI 043 1.693 TBTA-Dx.xxxSE4-47 2.036 - 2.213 3.54 1.36 1.555 1.693 1.42 BTSI 047 1.850 TBTA-Dx.xxxSE4-51 2.213 - 2.386 3.54 1.36 1.713 1.870 1.50 BTSI 051 2.008 TBTA-Dx.xxxSE4-56 2.386 - 2.559 3.54 1.36 1.870 2.008 1.81 BTSI 056 2.205 For inserts, see page 624. Operating guidelines on page 714. 625