Rear axle drain plug and transfer case cross member rivets

Tapped new drainage plug for rear axle to 1/4"-18 TPI NPT.  Used brass plug.

Centered rear axle, originally without a drainage plug.  WWII expendable.

Tapping.

1/4" brass NPT plug.

 Used cut-off wheel to remove rivet heads from transfer case front cross-member on frame.  Six rivets each side.

Transfer case front cross-member.

4 1/2" angle grinder with 1/16" kerf cut-off wheel.

Now to drill and punch out the rivets.