HHIP USA MADE 60 DEGREE THREAD TRIANGLE PAIR (4901-0063)

Description

60 Degree Thread Triangle Pair ~ Made in the USA. ~ One pair gauges all 60 degree threads from 4-80 pitch, standard and special. ~ For any thread, mic the distance over the triangles then refer to the included chart to determine class of fit. ~ For special threads add constant to nominal O.D. and check against mic reading to determine class of fit. Made in the USA. One pair gauges all 60 degree threads from 4-80 pitch, standard and special. For any thread, mic the distance over the triangles then refer to the included chart to determine class of fit. For special threads add constant to nominal O.D. and check against mic reading to determine class of fit.