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32EP60-6 Chicago bookbinding extension posts M4 60mm

Chicago extension posts 60mm (pack of 6)

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zinc-plated steel • M4 thread • extendable

This six-pack of 60mm extension posts 32EP60-6 can be used to lengthen post-&-screws from our range of brass, silver or black Chicago bookbinding interscrews.

These are the longest extensions in our range.

Extensions are made from zinc-plated steel. They are not coloured to match the interscrews, as this is usually inconsequential since the posts are typically concealed by the item being bound.


Extension length 60mm. Diameter 5mm. Thread M4.


Extensions are available in 7mm, then 10 to 60mm in 5mm increments.

We also carry a range of brass, silver and black interscrews in various lengths. Interscrews, also known as post and screw sets, are the 'top and bottom' pieces for the extensions.


Interscrew components at The Photo Album Shop

Variables such as length, depth, diameter, thread length and pitch mean that it is HIGHLY UNLIKELY our interscrews or extensions will fit into existing sets from different manufacturers. Instead of trying to match existing sets, we recommend that you consider replacing your existing interscrews entirely. This way you will be able to add extensions or obtain replacements later if required.