ABOUT G76 TOTO

나사 가공시에는 공작물의 직경에 의한 회전수 변화가 생기면 나사의 피치가 일정하게 나오지 않습니다.The last pair of numbers is your infeed angle. I doubt your buttress thread has any 60 degree angle on it, so utilize the angle the thread does have. So far as I know, you are able to specify any angle whatsoeve