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Which table saw insert is better for using a dado blade

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Forum topic by BillHall posted 09-26-2016 01:41 PM 316 views 0 times favorited 4 replies Add to Favorites Watch
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BillHall

4 posts in 626 days


09-26-2016 01:41 PM

Topic tags/keywords: tablesaw joining

Hi guys,
I want to do some dados on my table saw but was wondering about the saw insert. Is it better (safer) to use the dado insert or a zero clearance insert? Thanks for your feedback


4 replies so far

View mike02130's profile

mike02130

160 posts in 370 days


#1 posted 09-26-2016 02:32 PM

Trace the insert on a piece of plywood or poplar and use that. Lower the blade and slowly raise it up. Zero clearance. Just make sure you hold the insert down when you’re raising the blade.

-- Google first, search forums second, ask questions later.

View brtech's profile

brtech

979 posts in 2620 days


#2 posted 09-26-2016 02:50 PM

The smaller the gap between the blade and the insert, the safer, but the real reason for a zero clearance insert is to support the fibers of the wood to get less tear-out.

View pintodeluxe's profile

pintodeluxe

5310 posts in 2510 days


#3 posted 09-26-2016 03:03 PM

Make or buy a ZCI for the specific dado width you plan to make. While you’re at it, make one for each common size including a 3/4” stack. That is the size I use most frequently.

I prefer MDF for making ZCI’s, or better yet MDF covered with Formica.

-- Willie, Washington "If You Choose Not To Decide, You Still Have Made a Choice" - Rush

View BillHall's profile

BillHall

4 posts in 626 days


#4 posted 09-26-2016 05:24 PM

Great advice, guys. Thanks very much.

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