DeWalt Rapid Load Steel Countersink Set 1/4 in. Quick-Change Hex Shank 3 pc.

Get a fast and efficient way to switch from screw driving to hole drilling and back with the Dewalt steel countersink Set. By just tightening the rapid load holder (sold separately) into your drill or drill/driver, you can quickly insert or eject hex-shank drill bits and screw driving tips as necessary. This set works with all 3/8 and 1/2 inch drills and drill/drivers.

Drill, countersink and counter bore in one step
Four-cutter countersink and tapered drill bit, provide superior speed and finish
Four-cutter countersink and tapered drill bit provide superior speed and ideal finish
3 piece set includes 9/64 in. for No 6 screws, 11/64 in. for No 8 screws, and 3/16 in. for 10 screws,