3/8" BSPF HSS Taper Hand Tap Sutton

Parallel (straight) thread, British Standard Pipe Parallel thread BSP; originally also known as British Standard Pipe Fitting thread/BSPF which have a constant diameter. For producing precision threads by hand tapping, for starting threads - either second or bottoming taps should used after to achieve desire thread depth.
General purpose use
Suitable for materials up to 1000N/mm2
Through & blind holes
Suitable for both hand and machine operations
Threads per inch 19
Overall length 75mm
Cutting length 21mm
Drill diameter 15.3mm