(Note: Measurements are outside max. dimensions unless stated otherwise).
19th Century : Plain shallow dome top with vase shaped tapered neck and flared collar. A solid feel with simple lines.
Top diam. 25mm. (1")
Height top of dome to base of collar 25mm. (1")
Collar diam. 13mm. (1/2")
Screw length 30mm. (1 1/8")
For suitable backplate if required, see "Backplates" section.
It is recommended that if selecting screw thread option, a pilot hole is drilled and pre-cut with a steel screw of slightly smaller size before screwing in the casting to avoid shearing.