Satin Stainless Steel – Ball Shape – Mortice Door Knobs – Suitable For Use With FD30 / FD60 Fire Doors

• Ball shape mortice door knob set.
• Modern design
• High architectural quality.
• These mortice knobs can be bolted together, and have a grub screw fixing to spindle for extra strength on the door
• Fire rated, suitable for use of FD30 / FD60 fire doors.

Finish

• Satin stainless steel (shown in image)

Dimensions

• Rose Diameter – 50mm
• Knob Diameter – 58mm
• Projection From Door – 80mm

Important Info Before You Buy

• For mortice knobs – Where possible we recommend a minimum latch / lock, depth of 102mm To clear your knuckles away from hitting the stop on the door frame, when closing the door.
• This door knob is unsprung and requires a double sprung tubular latch.
• For any key locking internal doors where mortice knobs are being fitted we recommend fitting a horizontal mortice sash lock.
• For any bathroom doors locking via a thumbturn system we recommend fitting a horizontal bathroom mortice lock.
• Grub screw fixing to spindle for extra strength on the door
• Sold and priced as pairs