BTA INDEXABLE DRILL TBTA3 - 3 CARTRIDGE SYSTEM DOUBLE TUBE SYSTEM - OUTER FOUR START THREAD Diameter 1.496 - 4.212 ØD2 ØD ØD1 L1 L Dimension Tube Designation D L l1 d1 d2 Outer Tube Inner Tube Diameter TBTA3-x.xxxDE4-35.5 1.496 - 1.559 3.35 1.20 1.181 1.299 BTDO 035.5 BTDI 026 1.398 TBTA3-x.xxxDE4-39 1.559 - 1.693 3.35 1.20 1.299 1.417 BTDO 039 BTDI 029 1.535 TBTA3-x.xxxDE4-42.5 1.693 - 1.850 3.74 1.20 1.417 1.535 BTDO 042.5 BTDI 032 1.673 TBTA3-x.xxxDE4-46.5 1.851 - 2.035 3.74 1.36 1.555 1.693 BTDO 046.5 BTDI 035 1.831 TBTA3-x.xxxDE4-51 2.036 - 2.213 3.94 1.36 1.713 1.850 BTDO 051 BTDI 039 2.008 TBTA3-x.xxxDE4-55.5 2.213 - 2.559 4.33 1.36 1.870 2.008 BTDO 055.5 BTDI 043A 2.185 TBTA3-x.xxxDE4-56 2.559 - 2.637 5.91 2.44 1.850 2.047 BTDO 056 BTDI 043B 2.205 TBTA3-x.xxxDE4-62 2.638 - 2.874 5.91 2.44 2.087 2.283 BTDO 062 BTDI 048 2.441 TBTA3-x.xxxDE4-68 2.874 - 3.149 5.91 2.44 2.283 2.480 BTDO 068 BTDI 053 2.677 TBTA3-x.xxxDE4-75 3.150 - 3.425 7.09 3.23 2.520 2.756 BTDO 075 BTDI 059 2.953 TBTA3-x.xxxDE4-82 3.425 - 3.937 7.09 3.23 2.795 3.031 BTDO 082 BTDI 066 3.228 TBTA3-x.xxxDE4-94 3.937 - 4.212 7.09 3.23 3.268 3.504 BTDO 094 BTDI 078 3.701 For inserts, see page 593. Operating guidelines on page 714. 599