DURO 1 PC Wallet - 4.5 HSS Drill Bit - Cobalt - Ctc 82075060
STANDARD METALS & ALLOYSMETAL DRILLING135 Split Point for self centeringFlatter cutting face so engages quickerPrecision Flute Ground, 5% CobaltFast Drilling & Excellent Chip RemovalMaximum Heat & Wear ResistanceReduced Drilling Pressure Required