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DW745 arbor replacement

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Forum topic by standevreese posted 09-27-2017 07:35 PM 294 views 0 times favorited 4 replies Add to Favorites Watch
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standevreese

8 posts in 82 days


09-27-2017 07:35 PM

Topic tags/keywords: question

i would like to use dado blades on my european dw745 job site saw however this is presently not possible due to the arbor being to short.

Is it at all possible to replace the arbor with a us standard 5/8 arbor ?

-- --Stan de Vreese, Denmark


4 replies so far

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pete724

41 posts in 647 days


#1 posted 10-01-2017 01:30 AM

5/8” is the diameter not the length.

And NO you cant use a longer arbor because it is a direct drive unit.
The arbor is part of the motor.

However; You CAN use dado blades but not a full width 3/4 inch dado!

I use an sbox 8 on my DW745

https://www.amazon.com/s/?ie=UTF8&keywords=sbox8&tag=mh0b-20&index=aps&hvadid=78546371889512&hvqmt=p&hvbmt=bp&hvdev=c&ref=pd_sl_2h4i9wyf3i_p

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mski

439 posts in 3819 days


#2 posted 10-01-2017 01:34 AM

I got the Dewalt Dado set , it says NOT to use the arbor washer and it fits my short arbor Craftsman

-- MARK IN BOB, So. CAL

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standevreese

8 posts in 82 days


#3 posted 10-03-2017 01:14 PM

As far as i can measure the arbor seems to be 5/8” and the outer lock down washer/flange is 30mm with also seems to be a 5/8” bore as shown in the attached pics and the arbor length is approx.3/4” which is difficult to determine without the correct tools.

Question: Can i buy a 5/8” outer washer/flange and will this be a way to go so that i can use saw blades with a 5/8” bore or should i try the following option which is a blade from infinity tools which has a 30mm bore ?

https://www.infinitytools.com/8-flat-top-blades

-- --Stan de Vreese, Denmark

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pete724

41 posts in 647 days


#4 posted 10-10-2017 12:50 PM

There is nothing you can buy that will let you safely use a full width(3/4” ?) dado stack on that saw!

The arbor is just too short!
You CAN use a thinner stack. Probably up to about 1/2 inch thick by not using the outer flange washer, just the nut.

You are NOT going to be able to cut a 3/4” wide dado in one cut with a conventional “stack” dado set.

It may be possible with one of those “wobbler dado” things but I wouldn’t!

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