
18th Century : Heavy duty doctor's surgery door knocker with button striking plate.
Option : round slotted bell nuts with through holes, or octagonal capstan nuts with blind threaded holes.
BACKPLATE AND BUTTON STRIKING PLATE
Diam. 66mm. (2 9/16")
DROP
Total length 196mm. (7 3/4")
Length (Pivot to centre of striking button). 125mm. (4 15/16")
Width 38mm. (1 1/2")
SPINDLES:
For maximum door thickness 76mm (3")
Brass pivot pin.
Hinge has limiter to prevent over-enthusiastic operation.
Supplied with two lengths 10mm mild steel threaded rod. (Will need to be cut to length).
Supplied polished finish only to allow for gradual natural oxidisation and weathering.




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