Operation Manual

HEIDENHAIN MANUALplus 620 573
9.1 Thread pitch
Thread pitch
Q = 2 Metric ISO thread
Q=12 Nonstandard thread – – – – –
Q=13 UNC US coarse thread External * 0.61343*F F 30° 30°
Internal * 0.54127*F F 30° 30°
Q=14 UNF US fine-pitch thread External * 0.61343*F F 30° 30°
Internal * 0.54127*F F 30° 30°
Q=15 UNEF U.S. extra-fine-pitch thread External * 0.61343*F F 30° 30°
Internal * 0.54127*F F 30° 30°
Q=16 NPT U.S. taper pipe thread External * 0.8*F F 30° 30°
Internal * 0.8*F F 30° 30°
Q=17 NPTF U.S. taper dryseal pipe thread External * 0.8*F F 30° 30°
Internal * 0.8*F F 30° 30°
Q=18 NPSC U.S. cylindrical pipe thread with lubricant External * 0.8*F F 30° 30°
Internal * 0.8*F F 30° 30°
Q=19 NPFS U.S. cylindrical pipe thread without
lubricant
External * 0.8*F F 30° 30°
Internal * 0.8*F F 30° 30°
Thread type Q F P R A W
Diameter Thread pitch Diameter Thread pitch Diameter Thread pitch
10,25 6 1 273
1,1 0,25 7 1 30 3,5
1,2 0,25 8 1,25 33 3,5
1,4 0,3 9 1,25 36 4
1,6 0,35 10 1,5 39 4
1,8 0,35 11 1,5 42 4,5
2 0,4 12 1,75 45 4,5
2,2 0,45 14 2 48 5
2,5 0,45 16 2 52 5
3 0,5 18 2,5 56 5,5
3,5 0,6 20 2,5 60 5,5
40,7 222,5 646
4,5 0,75 24 3 68 6
50,8