beautypg.com

1 th re ad pitc h – HEIDENHAIN SW 68894x-03 User Manual

Page 614

background image

614

Tables and overviews

9.1 Th

re

ad

pitc

h

Q = 19 NPFS U.S. cylindrical pipe thread without lubricant

Thread
designation

Diameter
(in mm)

Thread pitch

Thread
designation

Diameter
(in mm)

Thread pitch

1/16''

7.938

0.94074074

1/2''

21.336

1.814285714

1/8''

10.287

0.94074074

3/4''

26.67

1.814285714

1/4''

13.716

1.411111111

1''

33.401

2.208695652

3/8''

17.145

1.411111111