Step Drill Bit, High-Speed Steel, 3/8-In.

3/8", high speed steel, step drill bit, specialty stepped bit is used with jigs for wood joinery, high-speed steel construction for an increased bit life, one piece design helps reduce clogging, wide diameter portion of bit creates a flat bottomed hole while narrow diameter portion creates channel for screw shank, provides smooth, fast drilling stroke, fashions pocket hole 1-9/16" long, requires minimum chuck size of 3/8, can be used with any manual kreg jig, except the heavy duty & micro pocket drill guide.