BTA INDEXABLE DRILL TBTA7 - 7 CARTRIDGE SYSTEM SINGLE TUBE SYSTEM - OUTER FOUR START THREAD Diameter 6.654 - 9.173 ØD2 ØD ØD1 L1 L Dimension Tube Designation D L l1 d1 d2 Part Diameter TBTA7-x.xxxSE4-154 6.654 - 6.771 9.06 4.80 5.630 5.866 BTSI 154 6.063 TBTA7-x.xxxSE4-166 6.772 - 7.244 9.06 4.80 6.102 6.339 BTSI 166 6.535 TBTA7-x.xxxSE4-178 7.244 - 7.716 9.84 5.59 6.575 6.811 BTSI 178 7.008 TBTA7-x.xxxSE4-190 7.717 - 8.189 9.84 5.59 7.047 7.283 BTSI 190 7.480 TBTA7-x.xxxSE4-202 8.189 - 8.661 9.84 5.59 7.520 7.756 BTSI 202 7.953 TBTA7-x.xxxSE4-214 8.661 - 9.133 10.63 6.38 7.913 8.189 BTSI 214 8.425 TBTA7-x.xxxSE4-226 9.134 - 9.173 10.63 6.38 8.386 8.661 BTSI 226 8.898 For inserts, see page 593. Operating guidelines on page 714. 608