# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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.