Bathroom-Hardware.Com

5/8" radius	1/4" radius

One-Quarter Inch Radius Corners:
Round corners on hardware, which may be on hinges, or other hardware items, such as ballcatches.  This is one of the three standard corners on a door hinge.  The other two corners are 5/8" radius and square corners.  For ease of use in machining, round corners are normally used, and our company prefers 1/4" radius where possible, and the square corners otherwise.

Passage:
Passage knobs or levers are for doors that do not need locked, such as a closet or doors between rooms and family rooms or living rooms.

Pewter:
Used here as a term for a hardware finish, a non-shiny gray color, called US15A by the door industry.

Polished Brass:
Brass finish that is shiny, also called US3 by the door industry.

Polished Chrome:
Chrome finish that is shiny, also called US26 by the door industry. The image above shows polished chrome on the backset.

Privacy:
Privacy knobs or levers are used on doors where locks are needed, such as on bathrooms, or bedrooms on interior doors.

Right Hand:
Describes the way in which the door is hung on the jamb.  Right Hand describes the side of the door the handle is on as it is pulled towards you.  As a door is pushed away, this would describe a handle on the opposite side of the door.

(Right Hand Diagram)

Rosettes:
Plate behind lever or knob that holds the lever or knob in place.

Satin Brass:
Brass finish that is not shiny, also called US4 by the door industry.

Satin-Chrome:
Chrome finish that is not shiny, also called US26D by the door industry.

Strike Plate:
Plate attached to door jamb, which receives the latch, when the knob or lever is turned, allows the door to be closed or opened.