Solid Carbide Drill Dia 3, Fl= 26, Sd= 6, Oal= 66 For Highfeed Drilling For Hardened Steel 36 To 41.5 , Solid Carbidedrill Dia= 4 X Fl= 24 X Oal= 66 For High Feed Drilling Forhardened Steel 36 To 41.5 Hrc. Quantity: 65