ProductsIP Rated Coaxial Cable Assemblies

Recommended Torque Forces

Find out the minimum and maximum torque forces for the SMA, TNC, BNC and N interfaces

Torque Forces Table

The recommended torque force is for guidance only. The actual torque force needs to be checked and finalised by the customer based on their actual working application.

Bulkhead Thread Mounting Torque Connector Material Torque Min in-lbs Torque Max in-lbs
1/4 - 36 UNS - 2A SMA Brass 7 10
1/4 - 36 UNS - 2A SMA Stainless Steel 12 15
3/8 - 32 UNEF - 2A Isolated SMA Brass 16 20
1/2 - 28 UNEF - 2A TNC Brass 20 25
1/2 - 28 UNEF - 2A TNC Stainless Steel 25 30
1/2 - 28 UNEF - 2A Isolated TNC Brass 20 25
3/8 - 32 UNEF - 2A BNC Front Mount Brass 16 20
1/2 - 28 UNEF - 2A BNC Rear Mount Brass 20 25
5/8 - 24 UNEF - 2A N Brass 30 35

Notes

  1. Customer should verify the torque based on different bulkhead materials.
  2. If used in a environment exposed to vibration we recommend using thread-lock or an additional locknut.

Coupling Nut Thread Size Connector Material Torque Min in-lbs Torque Max in-lbs
1/4 - 36 UNS - 2A SMA Brass 4 6
1/4 - 36 UNS - 2A SMA Stainless Steel 8 10
7/16 - 28 UNEF - 2A TNC Brass 8 10
7/16 - 28 UNEF - 2A TNC Stainless Steel 10 13
5/8 - 24 UNEF - 2A N Brass 8 10

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