Balax inc 108045 1/2-20 1/2 20 tpi BCR6 cup end speciality forming tap threading

Description

18BB4308 up for sale is a lightly used  balax high performance HSS forming tap , this is marked 1/2-20 BCR6 cup end TA19182/5F05-377 this tap has a shank that is 0.365 and square drive that is 0.271 the total length is 3.376 and the head thread area is 0.506 od to 0.482 has a elipitical shape for thread forming, nice tap for your thread forming needs , comes as shown in the photos , these appear to be used but cannot tell 100'% very little wear ,  they do have a electro etch mark on one of the flats for ID purposes ,