.002 inches is equivalent to 0.002/12 feet, which is approximately 0.0001667 feet. To convert this to millimeters, you would multiply by 304.8, resulting in approximately 0.0508 millimeters. Therefore, .002 inches is equivalent to about 0.0508 millimeters in thickness.
239 inches
.1406 inches or 3.57 mm thick. (USG)
It is the same as 5.5cm which is about 2 inches thick
Intake is .002-.004 inches and exhaust is .006-.008 inches when cold.
0.5 inches thick
Not thick enough.
.1250 inches or 3.18 mm
18 gauge steel is typically 0.0478 inches thick.
It is 1.524 millimetres thick.
.0762 inches
about 4 inches thick