Обший каталог Yamawa 2016 - 2017 - страница 834

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■Comparison of the thread limit for straight pipe taps

Unit : m

The Thread Limit of ISO (G) The Thread Limit of Appendix of PF

Number of Pitch Major Dia Pitch Dia Minor Dia Major Dia Pitch Dia Minor Dia

Size Threads (mm)

Basic Size LT Basic Size UT LT Basic Size Basic Size LT Basic Size UT LT Basic Size UT

Tolerance UT Tolerance

(mm) (+) (mm) (+) (+) (mm) (mm) (+) (mm) (+) (+) (mm) (+)

1/ 16 1/ 8 1/ 4 3/ 8 1/ 2 5/ 8 3/ 4 7/ 8

1/ 8 1/ 4 1/ 2 3/ 4

1/ 4 1/ 2 3/ 4

/ ※ : Threads per inch 1 2 UT : The upper deviation LT : The lower deviation

■Comparison of the thread limit of taper pipe taps

Unit : m

The Thread Limit of ISO (Rp) The Thread Limit of Appendix of PS

Number of Pitch Major Dia Pitch Dia Minor Dia Major Dia Pitch Dia Minor Dia

Size Threads (mm)

Basic Size LT Basic Size UT LT Basic Size Basic Size LT Basic Size UT LT Basic Size LT

Tolerance UT UT Tolerance UT

(mm) (−) (mm) (−) (−) (mm) (mm) (−) (mm) (−) (−) (mm) (−)

1/ 16 1/ 8 1/ 4 3/ 8 1/ 2 3/ 4 ・ ・ 1/ ・ 4 1/ 2

1/ 2 ※ : Threads per inch UT : The upper deviation LT : The lower deviation