This is 2D autocad drawing of mechanical part. It is know as flange to used as coupling the two pipes or shaft easily.
Gas tank detail in autocad
testing
Autoclave machine detail i
Cross section D of the man
2D drawing of detail compr
2D design of split system
Filter machine detail dwg
Roller drive design in det
Machinery
Machinary Detail
Submersible pump detail
Mechanisation of machinery