EP Fasteners & Threaded Holes
Produces Printable Nuts, Bolts, Screws and Tapped or threaded Holes for 3D parts.
EP Fasteners & Threaded Holes

Create Nuts, Bolts, Washers, Tapped/Threaded Holes, and Drilled holes in to your 3D models.
Produces printable 3D components. The threaded or drilled holes will glue to two parallel surfaces and cut openings in both surfaces. Produces usable threads in standard Metric and SAE sizes through 30mm.

Adds EP Fasteners & Holes to the tools menu.

Open Tools/EP Fasteners & Holes, Select the type of fastener and dimensions and press OK. Then place your new component.

In the case of through holes, the component will be just a circle, but once placed, another component will be built and placed on the nearest parallel surface in the direction of the hole. Both Components will glue to the surface and cut openings.


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Sérgio A's picture

Obrigado ! vai ser muito útil para mim.
Um abraço.
Sérgio Alano

When inserting a 1/4" coarse nut in my Windows 2018 Pro version, the threads protrude beyond the bottom of the nut.

Is onyone else having this issue and know of a fix?

Hello evrerybody,

I installed this extention. When i click to make a fastener hole, the windows closed and nothing happened. For a hole it's ok. I was trying de re install without results. Can you help me please ??

kapenske ..'s picture

I too had problems like this. I found it usually happened when trying to put a threaded hole into a "component". In most cases I just exploded the component, then applied the threaded hole, then recreated the component. After learning that lesson I just added the threaded holes before ever tuning the object into a component. The more I worked with it the better I got.

I also use Solid Inspector2 to review solids and make sure they are clean. It's a great tool for producing very clean drawings. However, Solid Inspector doesn't seem to like EP Fasteners. It finds all kinds of (what it considers) bad faces and lines and when it cleans the solid it deletes most of it.

Editing the threaded holes and bolts can be quite a challenge. EP Fasteners was apparently created for 3D printing, and I'm guessing that for that application it works as intended. I prefer VERY clean drawings but given the option of creating accurate thread images (time consuming) versus plopping one in and moving on, I use EP Fasteners.

kapenske ..'s picture

Just FYI - Checking the code in "EPFastenerConstants.rb" I see that the option for Full Length Thread does not apply to all thread diameters. For US threads the dia must be 1/2 to 1 inch. For metric it must be M4 to M30. There are default thread lengths hard coded so no option for the user to determine thread length on those bolt sizes.

John L.'s picture

Please make a Mac version! What a pain to have to do all this on a PC, then mail to a Mac.

Josh V's picture

Finally got this extension up and working...and of course the sizes I need are not available. M18, then jumps to M20, skipping M19 which is used for dremel nose thread. Strange.


I have just uploaded through SketchUp Extension warehouse the EP Fasteners & Threaded Holes extension. I have SketchUp 17.2 running on Mac OS Sierra 10.12.

Upload was successful and extension appears in the tool menu, but when I open the EP extension window, nothing appears, no matter how I select my object.

Is anyone aware of this issue?

Hi Jean-Francois - I think the extension only works on Windows OS.


Hi Jean-Francois - I think the extension only works on Windows OS.


Blank screen on Mac 2017

Sadly, there doesn't seem to be a useful thead library on Sketch Up. Maybe I should use a package designed for professionals instead of a kids's toy? (In 7th day of trial)

(BTW: The name here (Stupid M) comes from the fact that the e-mail got lost when I registered, so I was screwed on that e-mail address - there is no way to resend the verification e-mail, they say you can reset your password, but it won't actually send you a reset if you haven't verified the e-mail, and they are too "Stupid' to be able get their registration correct..)

I write software for a living and have an IQ of 140, so I'm not the one I'm calling stupid.

George v's picture

It doesn't work in 2017. Will there be an update to make it compatible?

I am also facing the same issue, did you find any fix for this ?

I take back what I said earlier this works great make a more realistic rendering on a project nice extention

satya b's picture

thankyou thankyou so much , its such a great extension .

Love the idea of this program, but is there any chance it will be coming to the Mac OS?

Owen S's picture

its good, but what is the thread pitch? it only comes in coarse, fine, and extra fine. i'm trying to make a 1/4-20 hole, but I dont know which pitch is 20.

kapenske ..'s picture

1/4-20 us coarse thread

Makarand A.'s picture


It works well for right hand threads and its a good tool to work with.

I have an application where LEFT hand metric threads are required.

Can you suggest how to use EP Fastners tool for LEFT hand metric threads both internal and external.

Best Regards,
Makarand Acharya

25562 users
2.05 MB
EP Fasteners & Threaded Holes 1.0.0; April 3, 2015
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