Weird saw tooth pattern

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Forum topic by Kreegan posted 09-29-2012 09:13 AM 2351 views 0 times favorited 12 replies Add to Favorites Watch
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1452 posts in 2659 days

09-29-2012 09:13 AM

Topic tags/keywords: question

I acquired this ~20” EC Atkins hand saw recently on eBay. I was looking over it after it came in the mail and noticed that it has a weird saw tooth pattern. Instead of the teeth all being uniform in length, it appears as though the teeth on this saw are in pairs, with a smaller tooth in front of a larger tooth. Has anyone seen this before and know why the teeth were shaped this way? Thanks!


12 replies so far

View patron's profile


13654 posts in 3853 days

#1 posted 09-29-2012 09:27 AM

it could be from hand sharpening

but with the stager on each tooth
one side would cut deeper
than the other

-- david - only thru kindness can this world be whole . If we don't succeed we run the risk of failure. Dan Quayle

View Dennisgrosen's profile


10880 posts in 3627 days

#2 posted 09-29-2012 10:08 AM

looks like patron said its an uneven sharpening of the saw
if you look at no.3 of the high tooth from right you have three low teeth from that one
to the left side before another high comes

and if you looks closer at the bottom of the filings you will see they don´t reach the same debth either


View IsaacH's profile


128 posts in 2609 days

#3 posted 09-29-2012 12:39 PM

Try the forum at….looks like a saw makers forum. Maybe they could help. Definitly curious myself….make sure to post what you find out.

-- Isaac- Decatur, GA - "Your woodworking....NOT machining parts for NASA!!!"

View Bluepine38's profile


3387 posts in 3597 days

#4 posted 09-29-2012 05:20 PM

Definitely weird looking, hope you find out what caused it.

-- As ever, Gus-the 80 yr young apprentice carpenter

View Bill White's profile

Bill White

5227 posts in 4472 days

#5 posted 09-29-2012 08:07 PM

Send the pic to Matt Cianci-The Sawwright in Rhode Island. He’ll help ya with a fix or sharpening.

-- [email protected]

View rance's profile


4271 posts in 3672 days

#6 posted 09-29-2012 08:12 PM

The pattern is consistent. It was meant to be like that, I just can’t tell you why. I’ve seen it before.

-- Backer boards, stop blocks, build oversized, and never buy a hand plane--

View knockknock's profile


473 posts in 2685 days

#7 posted 09-29-2012 08:20 PM

Here’s my guess. The smaller teeth are rake teeth with a larger gullet in front of them, to carry the saw dust out of the cut, so the big teeth can keep on cutting.

-- 👀 --

View Kreegan's profile


1452 posts in 2659 days

#8 posted 09-30-2012 12:26 AM

Yeah I don’t think it’s a result of hand sharpening. It looks very deliberate to me. The rake tooth idea sounds very plausible to me. I will try and see what they think. Thanks!


View gdpifer's profile


47 posts in 3192 days

#9 posted 09-30-2012 12:47 AM

I’d have to agree with those that said it was misfiled. The teeth must be the same height and when set properly and it is held level and plumb you should be able to lay a washer or other item on the teeth without it falling off. When I had my sharpening shop I kept a washer hanging on the wall next to my filer and checked every saw that I sharpened. If you find a few teeth that are off near the handle it is where one starts filing and may have had to make an adjustment before filing the real cutting area. To correct your saw one would need to retooth it, cut new teeth, sharpen and reset it.


-- Garry, Kentucky

View Kreegan's profile


1452 posts in 2659 days

#10 posted 10-01-2012 01:51 PM

I emailed Matt Cianci, who told me this was indeed a result of poor sharpening. Apparently this is the “cows and calves” anti-pattern, which he address in this blog post:


View Bill White's profile

Bill White

5227 posts in 4472 days

#11 posted 10-01-2012 01:55 PM

HAH! Told ya he could help.
He’s a pretty cool guy, and has built quite a business.

-- [email protected]

View Surfside's profile


3389 posts in 2685 days

#12 posted 10-01-2012 02:35 PM

Wow! Rich, you’re the man!

-- "someone has to be wounded for others to be saved, someone has to sacrifice for others to feel happiness, someone has to die so others could live"

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