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Author Topic: stupid question (pitch and gauge)  (Read 1469 times)

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Offline Engineer

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stupid question (pitch and gauge)
« on: March 19, 2008, 11:59:16 AM »
OK, this has got to be a dumb question, but I haven't been able to figure it out myself like I usually can...  ::)

How do I tell what the pitch and gauge is of my saw chain if the bar isn't marked?  On my MS390 it's clearly marked "3/8" pitch, .050 gauge, 72DL" or similar, on a 20" Oregon bar.   The 16" GB bar on my 025 doesn't seem to be marked.   Every other link of the chain I have on it, is marked "Stihl .325" but that's it.  I need some new chains for both saws and don't want to buy Stihl chain locally because it's too expensive - I need to know what I'm talking about when I order.

Offline Dan_Shade

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Re: stupid question (pitch and gauge)
« Reply #1 on: March 19, 2008, 12:58:09 PM »
measure it!  go across 3 rivits and divide by two for pitch, measure the width of the drivelink for the gauge.
Woodmizer LT40HDG25 / Stihl 066 alaskan
lots of dull bands and chains

There's a fine line between turning firewood into beautiful things and beautiful things into firewood.

Offline Cut4fun

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Re: stupid question (pitch and gauge)
« Reply #2 on: March 19, 2008, 01:10:27 PM »
 8)

Offline Engineer

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Re: stupid question (pitch and gauge)
« Reply #3 on: March 19, 2008, 02:50:40 PM »
OK, I think I got it.   I checked the drive link thickness with a good dial caliper and got 0.062", so I guess I need 0.325 pitch by 0.063 gauge chain for the 025.   

I think this corresponds appropriately with the Woodsman Pro 23RC chain that Bailey's sells. 

Offline rebocardo

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Re: stupid question (pitch and gauge)
« Reply #4 on: March 20, 2008, 03:16:30 AM »
> this corresponds appropriately with the Woodsman Pro 23RC chain that Bailey's sells. 

Yes, that is what I buy for my MS-250. It cuts well.


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