Gem Bids For Sc Double Margin Ts Drill With Ic Dia 4.05Mm X Fl 36 Xoal 74Mm X Sd 6Mm. For Manufacturing Of Front, Solidcarbide Double Margin Ts Drill With Ic Dia 4.30Mm X Fl 36 X Oal 74Mm X Sd 6Mm. For Manufacturi, Solidcarbide Double Margin Ts Drill With Ic Dia 9.60Mm X Fl 47 X Oal 89Mm X Sd 10Mm. For Manufactur