Picoma, a Division of JMC Steel Group

Couplings

Size Threads Per Inch Outside Diameter Overall Length Pitch Diameter Min Pitch Diameter Max Minor Diameter Min Chamfer Diameter
1/2" 14

1.010
+.016/-.016

1.625
+.030/-.000

 .801  .814  .744  .838
+.010/-.020
3/4" 14

 1.250
+.016/-.016

 1.641
+.030/-.000
 1.011  1.024  .954  1.048
+.010/-.020
1" 111/2

 1.525
+.016/-.016

 1.968
+.030/-.000
 1.267  1.283  1.197  1.300
+.010/-.020
1 1/4" 111/2

 1.869
+.016/-.016

 2.031
+.030/-.000
 1.612  1.628  1.542  1.645
+.010/-.020
1 1/2" 111/2

 2.155
+.016/-.016

 2.062
+.030/-.000
 1.852  1.868  1.782  1.885
+.010/-.020
2" 111/2

 2.650
+.026/-.026

 2.125
+.030/-.000
 2.327  2.343  2.257  2.360
+.010/-.020
2 1/2" 8

 3.250
+.032/-.032

 3.187
+.040/-.000
 2.806  2.828  2.706  2.890
+.010/-.020
3" 8

 3.870
+.038/-.038

 3.312
+.040/-.000
 3.431  3.453  3.331  3.515
+.010/-.020
3 1/2" 8

 4.500
+.045/-.045

 3.406
+.040/-.000
 3.931  3.953  3.831  4.015
+.010/-.020
4" 8

 4.875
+.048/-.048

 3.515
+.040/-.000
 4.431  4.453  4.331  4.515
+.010/-.020
5" 8

 6.000
+.060/-.060

 3.953
+.040/-.000
 5.494  5.516  5.394  5.578
+.010/-.020
6" 8

 7.200
+.072/-.072

 4.250
+.040/-.000
 6.556  6.578  6.456  6.640
+.010/-.020

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