14 Piece 6-32 to 1/4-20 High Speed Steel 3-In-1 Tap & Drill Kit

14 Piece 6-32~1/4-20 High Speed Steel 3-In-1 Tap & Drill Kit ~ Complete hole drilling, tapping, deburring and countersinking in one operation with power drill saves labor and time. ~ Can be used to tap up to 10 guage steel, copper, brass, aluminum and plastic. ~ Back tapered design helps prevent thread damage from over-drilling. ~ One-piece drill/tap assures proper drill for tap size. ~ Made of high speed steel for longer life. ~ Includes 6 combinaition drill, tap & countersinks, 1 high torque tested quick-change adapter, 6 quick change CRV steel bits and a case. ~ Thread range is 6-32, 8-32, 10-24, 10-32, 12-24, & 1/4-20. ~ CRV bits are Slot3, Slot4, PZ1, PZ2, PH1 & PH2.