Ultimately it is pretty to make a Zero clearance insert if you make a bunch
at one time.
Or, look here but hurry. Similar but you may be able to pretty easily make
your own replacements.
I have the Wood Dynamics insert and love it, but the Betterley Tru-Cut is
I have done a review of the Betterley Tru Cut here>
Hope it helps.
I was just going to head out to the shop to see if I could find the
manufacturer's info on the one I bought from Rockler. Until I read this
thread, I never really gave a thought about making up oak inserts for
it. Should be a snap once I get the wood the proper thickness in my
planer. Should be able to come up with an almost lifetime supply out of
Looks like the manufacturer is packing it in. Wish I'd bought one
when Grizzly was selling them for around $60.
Personally, I plan to make my own...
1. Make a regular zero clearance insert from mel board
2. rout a 1/8" +- deep groove of appropriate width with a dovetail bit
3. rip out strips of tempered masonite to fit groove
I'd rather have a nice aluminum insert but what the hey...:)
At $60, that is why they are packing it in. For that kind of money I can
make at least 120 of them from MDF. It would be a nice item if it sold
for $15 to $20 maybe. Making the inserts was just another opportunity to
do woodworking, IMO. I still have a half dozen from when I made the first
OTOH, you can buy the business for $70,000 and give yourself a discount on
the ones for home use.
I normally make my inserts twice each year. Summer batch in May or
June when the humidity in the northeast has risen and maximum swelling
has afflicted the MDF. SEcond batch is made in November or December
when the humidity has gone down and there's virtually no swelling in
the MDF. Summer inserts are too small in the winter and winter inserts
are too big in the summer.
Exactly what I did a couple of years ago except that I used 1/2" UHMW
and 1/4" tempered hardboard. Pics in ABPW. Couldn't see paying what
they were asking for them when they are so simple to make yourself.
Have several masonite inserts labeled with the blade tilt angle along
with a bunch of blanks. New blade tilt angle? New blade width? Old
insert getting a bit ratty? Just slide in a blank insert and raise the
blade through it.
On Wed, 6 Jun 2007 11:14:04 -0600, "James \"Cubby\" Culbertson"
I noticed years ago that I tend to make dados of a couple different
sizes and not much more so I made up a bunch of inserts and then wrote
on the bottom of the insert what size dado it was for. Now when I put
in the dado stack, I put in the appropriate insert and I don't have to
keep making them over and over. I've got a pile of blanks still that
I can cut if I ever need to replace one or use a different size.
On Wed, 6 Jun 2007 16:43:15 -0600, "James \"Cubby\" Culbertson"
True, but you just have to do the process one more time and you're set
for years again. I just don't get the people who complain they have
to keep making inserts... um... stop ruining the ones you already
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