Sharpening hole saws

[branimal]

Anyone have a process to sharpen hole saws? I've got a bunch of milwaukee hole saws that are too dull to cut anymore. And they are not cheap, especially the larger sizes.

I see this post on garage journal from 2016 where a guy has a system to sharpen hole saws. Unfortunately all the picture links are no longer working.

Sharpening Hole saws

I couldn't find a thread on this topic, so now we have one :D I know there are fancy jigs you can buy for sharpening hole saws, but for something I do once in a blue moon its just not worth the hassle or expense. So here is my simple cheap version of a hole saw sharpening jig. Get yourself a...

www.garagejournal.com

Thanks

 

[Rusted Nut]

You can take a small flat file to the top of the tooth, file it down a bit until it‘s sharp.

 

[larry4406]

Google? Several hits including videos.

sharpening hole saws - Google Search

 

[dnschmidt]

Have no idea as to where you're located but call around to the various sharpening services in you area. A couple might offer this service. Not only do you need to sharpen the teeth but you then need to set them, all of them, the same which is a lot tougher than using a simple file to sharpen them.

 

[PCustoms]

Have no idea as to where you're located but call around to the various sharpening services in you area. A couple might offer this service. Not only do you need to sharpen the teeth but you then need to set them, all of them, the same which is a lot tougher than using a simple file to sharpen them.

Years ago I had some involvement in sharpening tools, we sent anything over 1/4" drill and IIRC 1.5" holesaw out for sharpening as anything smaller it was cheaper to buy new.

There's definitely services that do this.