solid carbide drill with coolant hole Diameter: 1mm-30mm Coated: Tialn, tin (option) With high quailty, delivery in time and good price. (Order No)CuttingFluteShankA.0.LdlDLHJ5*42*6D*80L 542680HJ6*42*6D*80L 642680HJ7*48*7D*90L 748790HJ8*48*8D*90L 848890HJ9*55*9D*100L 9559100HJ10*55*10D*100L 105510100HJ11*65*11D*120L 116511120HJ12*65*12D*120L 126512120HJ13*65*13D*120L 136513120HJ14*65*14D*120L 146514120HJ15*68*15D*130L 156815130HJ16*68*16D*130L 166816130HJ17*75*17D*140L 177517140HJ18*75*18D*140L 187518140HJ19*80*19D*150L 198019150HJ20*80*20D*150L 208020150