Taps and dies for cutting taper pipe threads in UST or MTP threads. 3/16-40 and 1/4-40 dies are 13/16″ diameter. 5/16-27 (1/16 NPT) die is 1″ diameter.
NOTE: Tap will cut MTP or UST tapered threads depending on tap depth.
THREAD INFO Click for information on model pipe threads.