The Stanley Fatmax Multi-tool comes with a fancy tool-less blade change system. This is one of the features I loved in my review. But what blades fit the Fatmax multi tool? And which ones work with the tool-less blade change system.
All blades except the Starlock blades should fit the Stanley Fatmax Multi-tool. I have used aftermarket blades with the tool using the adapter and they work well, although you cannot use the tool-less system with some of these blades.
Obviously, there are the official blades which you can use. These work perfectly with the tool-less system and are what I would recommend.
The tool-less blade change on this tool really is one of the best features about it. So don’t throw that away by getting cheaper aftermarket blades.
The official blades have a large cutout, this is what allows it to fit over the tool-less mechanism. If the blade is solid here then you can discount it working with the quick change straight away.
This is not to say that just because the blades have the cut out they will work with the blade change system. They will still fit but you will have to use an Allen key rather than the tool-less system. This Allen key is included along with a washer you need to use.
Cheaper Multi-Tool Blades
So if you do want to use cheaper blades then will they work. Well to test this out I bought a pack of the more affordable multi-tool blades off amazon and fitted them to the Fatmax.
These are the blades I tried and tested and I can confirm they work well with the Fatmax. The only issue is that you cant use the quick-change system. You will need to use the bolt and Allen key to attach these blades to the multi-tool.
The Fatmax and DeWALT multi-tools use the same tool-less blade change system. At least to my eyes anyway. And this makes a lot of sense with them both being part of the same company. See my Are Stanley Fatmax and DeWALT the same? article for more information on this.
So that means you can use DeWALT blades with the Fatmax? Yes, I would say so. I’m 99% sure they will work, although I have not tested this myself yet so don’t want to put the S.Wood seal of approval on it. Let me buy some and update this section when I get the chance!
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Starlock is a separate multi-tool blade system created by Bosch and Fein. it is supposed to be the new standard and to be fair lots and lots of manufacturers are adopting it on their newer multi-tools.
There are three different Starlock blades types. Starlock, Starlock Plus and Starlock Max. Only the default Starlock blades have any chance of fitting on the Fatmax, although again I have not tested this and they will definitely not work with the quick-change as they have no cutout.
The other starlock blades will not work at all as the mounting holes are completely different.
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