What is this Symbol?
Diameter
Is this a Hidden or Centre line?
Hidden
What does this picture represent?
Internal Thread
What does this image represent?
Straight Knurling
What type of drawing is this?
Freehand
What does this represent?
Radius
What three lines are missing from this projection?
1 Centre Line and 2 Hidden Lines
What is this symbol called?
Third Angle
What do these 2 numbers represent?
Tolerance
