BS 1918-1:1978

This standard BS 1918-1:1978 Glass container finishes is classified in these ICS categories:

• 55.100 Bottles. Pots. Jars

This Part of BS 1918 specifies glass dimensions for four series of external screw neck finishes as follows.

a) Shallow continuous thread finishes	R3
b) Tall continuous thread finishes	R4
c) Medium/shallow continuous thread finishes	R5
d) Medium continuous thread finishes	R6

A method of gauging the minimum outside diameter of the glass threads is also specified.

This British Standard does not specify requirements for closures.

Glass dimensions for four series of external screw neck finishes and a method of gauging the minimum outside diameter of glass threads.