Add to Wish List Compare Quick view BAC #:DRILL-BIT-6 COBALT DRILL BIT, 6" 6" Cobalt High Speed Steel Aircraft Extension Drills feature a 135 degree split point, manufactured to NAS Standard 907. Sizes: 1/4, #10, #11, #19, #21, #30, #40, #50 MSRP: Now: $4.18 - $6.38 Was: View Price Breaks MSRP: Now: $4.18 - $6.38 Was: Compare Quick view Qty in Cart: 0 Price: MSRP: Now: $4.18 - $6.38 Was: Subtotal: