CMT Cutting Bits for the Domino

Given that they're 40% +/- cheaper than Festool cutters they'd be worth trying, especially since they're from CMT.
 
Anytime Dave.  Glad I could pass on the information. 

Steve-CO,

The price is what jumped out at me first.  I've not used CMT, they have been around for a while.  

Thinking of ordering a few and give them a go.      

After posting this subject, I thought, I should have placed it under "Other Tools and Accessories" discussion.

 
 
I wouldn't hesitate to use CMT, they're up there with Whiteside, Freud and the other quality bits.
 
Just placed an order for 5mm, 8mm, 10mm with Amazon, should have them by Monday.

I"ll give them a try and compare how the CMT bit, feeds and routes the mortise.  Maybe post a few pictures - a first for me with the FOG.

I do not think I will be disappointed. 
 
I wouldn't hesitate to use CMT, they're up there with Whiteside, Freud and the other quality bits.
Click to expand...

I agree 100%, especially their specialty bit sets (raised panel, crown molding, etc).

I have been a little disappointed in their table saw blades, compared to Forrest, Freud, and Tenyru.  They seem to require a little slower feed rate than the others, but I still get excellent results.  Maybe its just the clash of the orange and PM gold tricking my mind.
 
I agree that CMT have a good reputation, and I am satisfied with my matched set of router bits for cabinet work.  But I'll reserve judgment on the new CMT bits for Domino machine until there is some user experience.  I say that based on my comparative experience drilling shelf pin holes with my OF 1400 router and LR 32 setup using a Festool 5mm brad point bit for some and a few different brands and styles of 1/4 upcut spiral bits.  The Festool bit greatly outperforms the Whiteside 1/4 solid carbide spiral upcut bit in both ease of feeding into the stock and cleaness of cut.  The Festool bit still cuts faster and cleaner after several hundred holes than a new Whiteside bit.

Dave R.
 
Ken S said:
Just placed an order for 5mm, 8mm, 10mm with Amazon, should have them by Monday.

I"ll give them a try and compare how the CMT bit, feeds and routes the mortise.  Maybe post a few pictures - a first for me with the FOG.

I do not think I will be disappointed. 
Click to expand...

Ken, The CMT bits are suppose to be a shade larger so that the tenons can be eased in more easily. Let us know about that.
 
Dave Ronyak said:
I agree that CMT have a good reputation, and I am satisfied with my matched set of router bits for cabinet work.  But I'll reserve judgment on the new CMT bits for Domino machine until there is some user experience.  I say that based on my comparative experience drilling shelf pin holes with my OF 1400 router and LR 32 setup using a Festool 5mm brad point bit for some and a few different brands and styles of 1/4 upcut spiral bits.  The Festool bit greatly outperforms the Whiteside 1/4 solid carbide spiral upcut bit in both ease of feeding into the stock and cleaness of cut.  The Festool bit still cuts faster and cleaner after several hundred holes than a new Whiteside bit.

Dave R.
Click to expand...

Dave, You're comparing apples to oranges. The brad point bit is designed for boring and the upcut bit for slotting. BTW I bought a couple of the brad points based on what you said in another thread, they work great for boring holes.

Bill
 
The items have shipped and should arrive Monday.  Before I use them I will use my calibers to compare the Festool and CMT bits.  Have my spare unused Festool bits in systainer to compare. 

Will post results shortly afterwards. 

 
polarsea1 said:
Dave Ronyak said:
I agree that CMT have a good reputation, and I am satisfied with my matched set of router bits for cabinet work.  But I'll reserve judgment on the new CMT bits for Domino machine until there is some user experience.  I say that based on my comparative experience drilling shelf pin holes with my OF 1400 router and LR 32 setup using a Festool 5mm brad point bit for some and a few different brands and styles of 1/4 upcut spiral bits.  The Festool bit greatly outperforms the Whiteside 1/4 solid carbide spiral upcut bit in both ease of feeding into the stock and cleaness of cut.  The Festool bit still cuts faster and cleaner after several hundred holes than a new Whiteside bit.

Dave R.
Click to expand...

Dave, You're comparing apples to oranges. The brad point bit is designed for boring and the upcut bit for slotting. BTW I bought a couple of the brad points based on what you said in another thread, they work great for boring holes.

Bill
Click to expand...

Bill,

What are you using to grip those brad point bits?  Do you have a Festool 10mm collet?

Dave R.
 
Can those bits be used with anything else?  If not, it would seem there could be a patent issue going on. I'm surprised that Festool allowed CMT to copy their design.
 
Ken S said:
The items have shipped and should arrive Monday.  Before I use them I will use my calibers to compare the Festool and CMT bits.  Have my spare unused Festool bits in systainer to compare. 

Will post results shortly afterwards. 
Click to expand...

Definitely, post a full review.  This is very interesting.

Thanks for bringing this to our attention.  I didn't even know these CMT bits existed!

Stay in touch,
Matthew
 
HowardH said:
Can those bits be used with anything else?  If not, it would seem there could be a patent issue going on. I'm surprised that Festool allowed CMT to copy their design.
Click to expand...

As a US patent attorney, I don't how we can determine if those CMT bits are an infringing "copy" without further detailed information.  I have not researched Festool's patent holdings that cover their Domino machine.  They may have patent(s) on the machine.  It could be they did not patent the tooling itself.  For example, I used to work with designers of brakes for heavy construction equipment and aircraft brakes.  Many times a new brake utilized a unique friction lining configuration, yet it was not always possible to obtain a patent to protect that brake lining.  And so multiple sources of such wearing components become available.  And under USA law, the purchaser of the original patented assembly, e.g. a Domino machine, is permitted to replace even unique parts as needed to keep the overall product functional.  In most patent disputes the devil is in the details, whether or not infringement exists often turns upon small differences that people who are not patent attorneys are likely to dismiss as insignificant.  Generally, this is true for patents granted in European countries as well.

Dave R.
 
Bill,

What are you using to grip those brad point bits?   Do you have a Festool 10mm collet?

Dave R.
[/quote]

Hi Dave, I bought the 8mm shanked bits to use with my OF 1010. I'm building a small set of bathroom cabs using sys32 and the holes look like they were done with a line boring machine.
 
Just out of interest, how many people have actually worn a bit out? (not damaged one with a nail etc)
 
I've broken a 5mm bit but at the rate I use the Domino I'm sure the bits will outlast me.
 
I have.  Just start working in a lot of tropical hardwoods (Ipe, Teak, etc.) if you want to wear your bits out...
 
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