6.30 How to make a spring?

From the net, lost reference

ParametricPlot3D[{Sin[u], Cos[u], 0.2 u}, {u, 0, 10*2 Pi}, 
  PlotStyle -> {Tube[0.1]}, 
  ViewPoint -> {3.38378, 0, 0}, 
 ViewVertical -> {0, 1, 0}, 
 ViewAngle -> Automatic, 
 Axes -> False, Boxed -> False, 
 ImageSize -> 200]
 

See also how-to-draw-a-spring