3D-Printed Threaded End for Paint Roller Handle

Design preview. Rendered from the file, not a photo.

The maker says it fits: broom handles, duster handles (hollow pipe ~20.4mm inner diameter), paint roller extension poles and 1 more. See the proof

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What it does

Screws onto hollow extension poles so your broken roller or broom handle works again without buying a new one
Fits standard 18mm diameter pipes with M18x5 threads, so your paint rollers, brooms, mops, and dusters all connect securely
Printed with a flat base design so it ships strong and ready to use right away
Replaces worn threaded ends on multiple tools, so you keep your favorite handles in rotation longer

Your paint roller or broom handle broke at the threaded end. Now you can fix it yourself with this 3D-printed replacement. No more throwing away perfectly good tools.

This threaded end fits hollow pipes with an inner diameter around 18mm, which matches paint roller extension poles, broom handles, mop handles, and duster handles. The threads use the M18x5 standard so the fit stays tight once you twist it down.

The design comes from measurements taken from five different handles across multiple tool types, so you know it will work with what you already own.

4.8k downloads in the maker community. That is interest in the design on the site it came from, not our sales.

What it fits

The maker says it fits: broom handles, duster handles (hollow pipe ~20.4mm inner diameter), paint roller extension poles, mop handles

That is the maker's word, not a fit we measured. Check the size below against your own.

broom handlesFrom the maker's own listing title, checked 2026-08-13. See the original post
duster handles (hollow pipe ~20.4mm inner diameter)From the maker's own listing notes, checked 2026-08-13. See the original post
paint roller extension polesFrom the maker's own listing notes, checked 2026-08-13. See the original post
mop handlesFrom the maker's own listing notes, checked 2026-08-13. See the original post

Brand names here only say what this part fits. We are not connected to those companies, and they did not make or check this part.

What you get

This design prints as one piece.
Nothing else to print or buy for this to work.

What it is made of

Designs like this print well in PLA. Compare the materials.

Printed plastic is strong for its size, but it is not metal. We have not load tested this design, so we do not publish a weight rating. Keep it out of a hot car and away from open flame.