Problem $2$

A pipe hanger is to support a total load of $2\mathrm{.}8$ kN $.$ Determine the required size and tightening torque of the standard metric fasteners to be used. The material class is ISO $4\mathrm{.}6,$ and the threads will be lightly oiled.

Answers: M$4\backslash$times $0\mathrm{.}7$

$1377N*mm$ Note: Preferred answer units are $N*m($typical torque spec unit$)$ but the calculations are easier using mm $.$