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Freud Box Joint Cutter set & Dewalt 745?

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Forum topic by Razorburne posted 01-30-2015 03:32 AM 2047 views 0 times favorited 17 replies Add to Favorites Watch
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Razorburne

41 posts in 887 days


01-30-2015 03:32 AM

I own the Dewalt 745 tablesaw – officially the manual states it cannot handle dado blades due to a short arbor. However, I have seen a couple of reviews online of people using just this setup (Freud Box Joint Cutter blade set).

Does anyone have personal experience in using this blade set with the Dewalt 745? I would rather trust a fellow lumberjock vs. some random individual on Amazon. The reviews that claim it works say they are capable of fully threading the lock nut on the arbor. I would like to be able to use the saw for learning box/finger joints, but don’t want to do anything that is not safe.

If it does in fact work, I am curious whether it works because the two blades either sit face to face or back to back with no spacers, etc.

Any help would be great. Thanks, guys!


17 replies so far

View mmax's profile

mmax

177 posts in 2923 days


#1 posted 01-30-2015 03:38 AM

On the 744 and other portables models that support dados, the back nut and the back flange are separate pieces and to add a dado you put the front washer in place of the back flange, but on the 745 and 7480 the back nut and the back flange are combined. The result is a slightly smaller assembly and the flange can’t be removed, so no 13/16 dados. That said it looks 3/8 dado would be totally fine.

-- Always remember you're unique, just like everyone else

View TheFridge's profile

TheFridge

5765 posts in 954 days


#2 posted 01-30-2015 03:43 AM

Check out William Ng’s video on YouTube about box joints. Works like champ on a budget.

-- Shooting down the walls of heartache. Bang bang. I am. The warrior.

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Razorburne

41 posts in 887 days


#3 posted 01-30-2015 03:58 AM

@mmax—> thanks for the info…gives me something to think about

@theFridge—> I will go check out the video…thanks for the reference

it may be covered in the video, but if I end up not going with the box joint blade set, is there a way for me to do box joints on my table saw if I can only run with a single blade, or will that not work?

View johnstoneb's profile

johnstoneb

2150 posts in 1640 days


#4 posted 01-30-2015 03:03 PM

Yes you can do box joints with a single blade. You just have to make multiple passes. It’s best if you use a flat top grind FTG blade. I have cut with just a standard blade also you just need to clean the box joint up with a chisel. a benefit of the single blade especially on the smaller box joints you don’t have to change blades.

-- Bruce, Boise, ID

View gfadvm's profile

gfadvm

14940 posts in 2158 days


#5 posted 01-30-2015 03:16 PM

The saw plates on that box joint set are only 1/4” wide. You should be able to measure the threads on your arbor and see if they will work. If so, you will love that set!

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

View DBordello's profile

DBordello

132 posts in 694 days


#6 posted 02-06-2015 12:06 AM

Did you end up going with this set? I also own the DW745, and would love to get a dado set. Ideally, I would like to do 1/2”, but 3/8” could work.

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gfadvm

14940 posts in 2158 days


#7 posted 02-06-2015 01:06 AM

Don’t you just hate it when you never get to see how a forum question turns out???

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

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Razorburne

41 posts in 887 days


#8 posted 02-06-2015 03:09 AM

Sorry everybody….I’ve been super busy at work and dealing with the recent crappy weather. I have yet to measure the threads on my arbor. My “shop” is the back porch of my in-laws house outdoors, as we currently rent and cannot have my stuff here. In-laws garage has no electricity so I’ve been limited to weekend days that haven’t been snowing or raining. I hope to take a look this weekend to see how much room the arbor actually has.

I promise I will update once I’ve gotten the info….I want to know for myself as well as fellow lumberjocks like DBordello.

Thanks for your patience guys.

View gfadvm's profile

gfadvm

14940 posts in 2158 days


#9 posted 02-06-2015 02:18 PM

Carry on….

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

View DBordello's profile

DBordello

132 posts in 694 days


#10 posted 02-09-2015 04:55 PM

Fair enough. I will measure the threads on my DW745 tonight. Is there anything we should be concerned about besides the arbor length? Any other safety concerns? Are throat plates available?

View OldEd's profile

OldEd

39 posts in 1080 days


#11 posted 02-10-2015 01:32 AM

Ridge Carbide Tool has a box joint set that does both 1/4” and 3/8” joints. It’s 8” in diameter and comes in a variety of arbor sizes. It’s also $139. I know that is steep, but I’ve used RCT blades for a long time and never had a problem with either the blades or their service.

-- OldEd

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DBordello

132 posts in 694 days


#12 posted 02-10-2015 07:23 AM

I took a peak at the arbor today. I couldn’t get a good measurement, but there isn’t much left with the stock blade.

Sorry for the bad picture:

How much wider is the Freud set than the stock blade (at the arbor)?

View knotscott's profile

knotscott

7225 posts in 2843 days


#13 posted 02-10-2015 11:51 AM

Sorry for the bad picture:

- DBordello

Bargain Saw Blades...

-- Happiness is like wetting your pants...everyone can see it, but only you can feel the warmth....

View DBordello's profile

DBordello

132 posts in 694 days


#14 posted 02-10-2015 08:30 PM


Sorry for the bad picture:

- DBordello

Bargain Saw Blades...

- knotscott

Is that a small hint that I need a new blade? Any recommendations?

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knotscott

7225 posts in 2843 days


#15 posted 02-10-2015 09:07 PM

LOL…just a subtle suggestion! ;-) Depends on what you want to do, but any of the 40T or 50T thin kerf blades from the bargain list should work well for general purpose woodworking functions. A decent blade is one of the best things you can do to optimize the performance of any saw. Your current blade is meant for construction work…fine woodworking has tighter tolerances.

- Irwin Marples 1807367 10” 40T ATB thin kerf general purpose blade. Made in Italy ($33@Lowes)

- Freud Diablo D1040X 10” 40T ATB thin kerf general purpose blade. Made in Italy ($30 @ HD)

- DeWalt Precistion Trim DW7140PT= 10” 40T ATB thin kerf general purpose blade. Made in China. ($30 @ Lowes)

- Freud Diablo D1050X 10” 50T ATB/R thin kerf combo blade. Made in Italy (~ $37 @ HD & Amazon)

- Irwin Marples 1807368= 10” 50T ATB/R thin kerf combo blade. Made in Italy. ($37 @ amazon)

If you don’t mind spending more, the Infinity 010-150 Combomax for $70 is excellent.

-- Happiness is like wetting your pants...everyone can see it, but only you can feel the warmth....

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