Operation Manual
578 Tables and overviews
9.1 Thread pitch
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










