3D Printed Hex Bolt Generator M3-M12

Your printer, running the way it should.

951 downloads in the maker community

$8.99

Color: Gray

Printed in the USA when you order.

1.You order it
2.We print it fresh
3.It ships to you

Create custom-length bolts in any size from M3 to M12 so your assemblies fit perfectly
Fully parametric design lets you adjust bolt length before printing, so you get exactly what you need
Works with the Nut Factory design so bolts and nuts thread together with reliable grip
Prints without supports and needs no special tools, so you save time on print prep

You get a fully parametric bolt generator that makes custom fasteners for your 3D-printed projects. Forget buying standard bolts that don't fit. This design lets you set the exact length and size you want before printing.

The generator supports M3 through M12 dimensions and pairs perfectly with the Nut Factory design so bolts thread smoothly into nuts. Print with a 0.25mm nozzle and 0.10mm layer height for best accuracy. No supports needed; just orient the flat face down on your build plate and reduce speeds to 25 percent for cleaner threads.

Users report excellent fit, form, and function straight off the printer with default settings. Use this for replacement parts, custom assemblies, or any project where standard bolt sizes leave gaps.