European brush manufacturers make handles with european threads.
Standard broom handle thread size.
This is a nice tap well made and cuts nice threads.
In the united states most threaded handles for brooms paint rollers extension poles for window washing brushes and squeegees and so forth have threads inch in diameter 5 threads per inch acme form.
Our standard threaded handles are made of lacquered hardwood for consistent dependability and fits most brooms and brushes that utilize an acme type thread.
But it is not the right pitch for standard broom handles.
For example you cannot use a handle with acme threads on a floor brush that has european threads.
I was able to find a thread gauge and found that a standard broom handle thread is 3 4 5.
Most popular is about 3 4 outer thread dia x 5 tpi.
There are several variations in use.
Besides painting i ve seen the same or similar standards used for brooms lightbulb grips pool tools and gutter cleaning poles.
I had the same problem trying to find the most common thread for the pole extensions for paint rollers.
I am looking for information on the threads for a screw in wood handle pitch thread depth etc.
For brooms paint rollers extension poles.
I have two different thread sizes both appearing to have something close to acme thread profiles but not standard tpi.
One size does not fit.
American broom and brush manufacturers make acme threaded handles and brushes.
Apparently there are two standards common in the usa both based on a 3 4 dowel 0 75 inch or 19mm.
However that doesn t seem to be the case.
Does anyone out there have specs for threads on standard broom handles.
Size of thread on broom handles.
If you check various brooms you will find several variations on the thread style.
Another flavor is about 1 080 outer thread dia x 4 tpi.
Acme standard and european thread types.
Every paint and broom stick i own will not work with the acme thread type i ve tried 2 3 and 4g but no luck.
I have a few paint tools such as telescoping poles that all use the same standard threads.
The two types of handles are not interchangeable.
One standard shown here has a pitch of 5 threads per inch.