Engineering symbols for holes and features on a drawing
Keywords
engineering,
drawing,
technical,
illustration,
geometric,
symbol,
hole,
representation,
feature,
symbol,
drafting,
mechanical,
blueprint,
design,
manufacturing,
cad,
projection,
cross section,
circular,
square,
alignment,
center,
line,
axis,
schematic,
diagram,
dimensioning,
tolerance,
precision