18 Piece Tap and Drill Sets Provide A Selection Of Sizes For Matching Taps And Drills.
18 Piece Tap and Drill Sets are made of high speed steel ground threads for long lasting durability. Pairs right tap and drill needed for desired application. All taps provide standard plug chamfer type. Types are Metric, Metric/Spiral Point, National Coarse, National Coarse/Spiral Point, National Fine and National Fine/Spiral Point. Number of pieces in set is 18.