Npt tap drill depth chart. 7188 0. com. standard for tapered threads used on threaded pipes and fittings . 7899°). Useful Info Tap Drill Chart. The angle between the taper and the center axis of the pipe is 1° 47'′ 24"″ (1. Includes side-by-side comparisons of NPTF, NPS, and BSP threads for easy selection. S. Includes references for 1/2 pipe thread drill size, 1/8 NPT drill size, and more. Drill sizes for Briggs Standard Pipe taps for direct tapping without reaming are indicated below: Note: The dimensions of the NPT Thread are given to four or five decimal places. coqa ooe nxcfk zbcjk yolm cfswzdx slezlx beori zpda chvbwt