SpanFnleart BTA INDEXABLE DRILLS TBTA-C DOUBLE TUBE SYSTEM - OUTER FOUR START THREAD Diameter 0.984 - 2.094 Ø d2 ØD Ø d1 l1 L Designation D Dimension Spanner TubeLl1d1d2FlatOuter tubeInner tubeDiameter TBTA-Cx.xxxDE4-23.5 0.984 - 1.039 2.56 0.85 0.748 0.827 0.75 BTDO 023.5 BTDI 016 0.925 TBTA-Cx.xxxDE4-26 1.040 - 1.130 2.76 0.96 0.827 0.925 0.83 BTDO 026 BTDI 018 1.024 TBTA-Cx.xxxDE4-28 1.130 - 1.220 2.76 0.96 0.906 1.004 0.94 BTDO 028 BTDI 020 1.102 TBTA-Cx.xxxDE4-30.5 1.221 - 1.311 2.76 0.96 1.004 1.122 1.02 BTDO 030.5 BTDI 022 1.201 TBTA-Cx.xxxDE4-33 1.311 - 1.425 2.95 1.20 1.063 1.181 1.10 BTDO 033 BTDI 024 1.299 TBTA-Cx.xxxDE4-35.5 1.426 - 1.512 2.95 1.20 1.181 1.299 1.18 BTDO 035.5 BTDI 026 1.398 TBTA-Cx.xxxDE4-35.5 1.512 - 1.559 2.95 1.20 1.181 1.299 1.18 BTDO 035.5 BTDI 026 1.398 TBTA-Cx.xxxDE4-39 1.559 - 1.646 3.15 1.20 1.299 1.417 1.26 BTDO 039 BTDI 029 1.535 TBTA-Cx.xxxDE4-39 1.646 - 1.693 3.15 1.20 1.299 1.417 1.26 BTDO 039 BTDI 029 1.535 TBTA-Cx.xxxDE4-42.5 1.693 - 1.795 3.54 1.20 1.417 1.535 1.42 BTDO 042.5 BTDI 032 1.673 TBTA-Cx.xxxDE4-42.5 1.796 - 1.850 3.54 1.20 1.417 1.535 1.42 BTDO 042.5 BTDI 032 1.673 TBTA-Cx.xxxDE4-46.5 1.851 - 2.035 3.54 1.36 1.555 1.693 1.50 BTDO 046.5 BTDI 035 1.831 TBTA-Cx.xxxDE4-51 2.036 - 2.094 3.54 1.36 1.713 1.850 1.50 BTDO 051 BTDI 039 2.008 For inserts, see page 620. Operating guidelines on page 714. 622