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Appendix J (Recommended Waveguide Flange Torque)

Recommended Waveguide Flange Torque

Screw Size

 Threads Per Inch

Recommended Torque     (inch-lb)

Tension (lb.)

No.4 

40        80

4.5                       5.5 235             280
No.6 32          40 8.5                       10 360            410
No.8 32            36  18                        20 625            685
No.10 24            32  23                        32 705            940
1/4" 20            28  80                       100 1800          2200
5/16" 18            24  140                      150 2540          2620
3/8" 16            24  250                      275 3740           3950
 7/16" 14            20  400                     425  4675          4700 
1/2"  13            20  550                     575  6110             6140