Greenlee® DTAP12-24 Quick-Change Standard Length, Machine Screw, 3/16 in, #12-24 NC Thread, 2-1/4 in OAL, 1/4 in Hex Shank

Ever have to hunt around or figure out which drill bit to use with a certain tap Tired of using a T-handle to tap the hole no more, because now you?ve got the Greenlee combination drill/tap bit, which drills the proper hole size and taps the hole all-in one operation and at an affordable price - saving you time and money.