HSS Cobalt Drill Bit Double End 7/32 in. Stubby Body Drill Steel Metal Iron-1...
HSS Cobalt Drill Bit Double End 7/32 in. Material: Cobalt, Cobalt Steel, High Speed Steel (HSS). Material: HSS Cobalt Material is the best hardened material for drilling longest life. Material Type: Cobalt, Cobalt Steel, High Speed Steel (HSS).