Harbor Freight is promoting their new double-cut saw with two blades
rotating in opposite directions.
Watching the video, I was impressed by how well it cut chain-mail for a
potential armor alteration business.
Anyway, for what types of projects is this the tool-of-choice? Experiences
Me three. I watched that video and couldn't believe how long it takes
to sharpen each tooth of the chain. Leave the chain on the saw and use
a dremel with a stone. Only remove the chain when it is worn out and
can't be sharpened anymore.
The only time I can see a use for this is if you had more than one chain
for the saw.
Sharpen those that are not attached, then use one at a time as they
If you only had one chain, then the file and dremel would be used with
the chain still attached to the saw.
Kinda like the Drill Doctor. If you had a bunch to sharpen, the DD will
help, but if only one to sharpen, the bench grinder will do the job. I
have resharpened drill bits using just the bench grinder. It's just a
matter of learning the correct angle and turn.
No experience, just recall a local (or at least as local as we get if
200 mi and a repeater station is "local" :) ) TV station that does a
"Does It Work?" segment had a respectable handyman/general construction
type guys give one of the TV-ad ones a workout for a couple of months
They liked it for link fence, light pipe and such; it's worthless in
wood. The handyman added it to his kit; the construction guy said it
was ok for what it was but didn't fit his work enough to be on his wish
Anybody's guess on longevity; most of that class of stuff isn't made for
hard use and quality control is generally pretty iffy so any given one
may or may not be up to par.
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