1" BSPT HSS Tap
Taper thread, British Standard Pipe Taper thread (BSPT), whose diameter increases or decreases along the length of the thread.
For producing precision threads by hand tapping, for starting threads - either second or bottoming taps should used after to achieve desire thread depth.
Taper pipe reamer recommended prior to tapping Rc (BSPT) thread forms
General purpose use
Threads per inch 11
Overall length 109mm
Cutting length 33mm
Drill diameter 30mm