Empirical Torque Values for ND Patch

Empirical Torque Values

 The Empirical torque values below should be added to the non-locking seating or tightening torque normally used. This will compensate for the torque generated by the patch and allow full clamp load and joint tension.

 

Diameter MetricDiameter ImperialNewton MetersInch Pounds
M2.5#20.059.0 (inch ounces)
M3#40.171.5
#63.0
M4#80.54.0
M5#100.76.0
M61/4″1.312.0
M85/16″2.724.0
M103/8″3.632.0
M121/2″6.860.0
M165/8″13.5120.00
M203/4″18.0160.0
M227/8″27.0240.0
M241″36.0320.0