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Obround
Contraction of the words oblong and round denoting a punched slot with semicircular ends and straight sides.
Observational Standard
See Color Chips.
Oil Canning
See Bow Distortion.
Orange Peel
Surface condition characterized by an irregular waviness of a paint finish, resembling an orange skin texture.
Orbital Sanding
Non-straight-line abrasive finish with irregular circular marks.
Organic Coating
Designation of any chemical finish containing carbon.
Orthographic Drawing
A drawing showing a projection of a part in which all the features are visible.
Outboard Mill
A roll forming machine with housings that support both ends of the roll tooling shafts.
Outside Radius
Formed outside radius of a bend.
Overlapping Seam
See Enclosed Seam and Pocket.