We posted about the new Diablo oscillating multi-tool blades the other day, and a question came up via email.
Why do the “universal” OMT blades have two sets of holes?
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Diablo hasn’t provided any information about these new accessories, but luckily Dremel has. If you recall, Diablo, Dremel, and Bosch are all owned by the same parent company. The new Diablo oscillating multi-tool blades look to be nearly identical to the interface Dremel used to offer on their accessories.
From this diagram by Dremel Tools, we can see that one set of hole and notches are to ensure compatibility with several power tool brands’ oscillating tools, and the other set of notches is to fit tools by another set of brands.
Thanks to this dual-interface design, Dremel – and now Diablo – universal-style oscillating multi-tool blades are compatible with tools from:
- Dremel
- Bosch
- Makita
- Milwaukee
- Rockwell
- Dewalt
- Fein
- Porter Cable
- Ridgid
There could be some exceptions, aside from these accessories not being compatible with Bosch or Fein Starlock oscillating multi-tools.
Diablo’s product listings say that their accessories fit most tools, no adapters needed. This is why.
And, they should work with brands’ tool-free interfaces as well. Some brands’ oscillating multi-tools are only tool-free with broken-ring accessories, requiring a hex key and adapter for use with accessories that have a full ring with no slot down the middle.
Starlock accessories are also compatible with a wide range of brands’ oscillating multi-tools, but won’t work tool-free with the tools that require an open ring design.
Any questions?
Price: $50 for the 5pc set
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