This national coarse-grade power tap and drill bit set has 18 pieces. Drill bit sizes include 39, 29, 25, 16, 7, F, 5/16, U, and 17/64, and tap sizes include 6-32, 8-32, 10-24, 12-24, 1/4-20, 5/16-18, 3/8-16, 7/16-14, 1/2-13. Made of high-speed steel, the sizes are marked on the inside of the metal box.
Technical Specs
ItemDrill Bit and Power Tap Set
Drill Bit FinishBronze Oxide
Measurement SystemFractional Inch
Tap MaterialHigh Speed Steel
Thread TypeUNC
Tap ChamferTaper
Largest Thread Size12"-24
Number Of Taps9
Primary Material ApplicationMild Steel, Non-Ferrous Metal, Stainless Steel