成量NPSM-美标圆柱管螺纹工作塞规 执行标准： ANSI/ASME B1.20.1-2013

1017359002

1/4-18NPSM

18

1.411

2B

T
Z

13.416
13.246

+0
-0.013

12.502
12.634

+0
-0.008

11.671

12
8

99

1017359003

3/8-18NPSM

18

1.411

2B

T
Z

16.855
16.688

+0
-0.013

15.941
16.076

+0
-0.008

15.110

12
8

112

1017359004

1/2-14NPSM

14

1.814

2B

T
Z

20.965
20.726

+0
-0.015

19.787
19.942

+0
-0.008

18.725

14
8

132

1017359005

3/4-14NPSM

14

1.814

2B

T
Z

26.312
26.078

+0
-0.015

25.133
25.293

+0
-0.008

24.072

14
8

136