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banjopicks
 Post subject: Speaking of truss rods
PostPosted: Tue Jul 23, 2019 9:40 am 
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Koa
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Joined: Tue Feb 26, 2008 6:19 am
Posts: 1337
First name: Richard
Last Name: Hutchings
City: Warwick
State: RI
Zip/Postal Code: 02889
Country: United States
Focus: Build
Status: Amateur
Why do they come .240" instead of .250"? I just checked that on the SM site and the width is .218, I have a cheap caliper so maybe I'm off but it still seems odd that it isn't 3/16 or 1/4"

I'm going to cut my rod slot on the table saw so it shouldn't be problem dialing it in. I was going to buy a bit for my router so I could stop the channel before the nut. Then I thought how easy it would be to just run it through the TS and put a filler block in and cover it with a nice overlay.

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Michaeldc
PostPosted: Tue Jul 23, 2019 10:12 am 
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Joined: Sun Jun 22, 2014 1:45 pm
Posts: 1446
First name: Michael
Last Name: Colbert
City: Anacortes
State: WA
Focus: Build
.218” = 7/32” which are available.
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phavriluk
PostPosted: Tue Jul 23, 2019 10:17 pm 
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Joined: Mon Feb 13, 2012 8:49 pm
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First name: peter
Last Name: havriluk
City: granby
State: ct
Zip/Postal Code: 06035
Country: usa
Focus: Build
Status: Amateur
I'm guessing the wonky sizes are the result of 'offshore' manufacture. I've been using Martin truss rods which are sized in inches.

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Woodie G
PostPosted: Tue Jul 23, 2019 10:34 pm 
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Joined: Sat Jan 19, 2013 7:33 am
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First name: Willard
Last Name: Guthrie
City: Cumberland
State: Maryland 21502
Zip/Postal Code: 21502
Country: United State
Focus: Repair
Status: Semi-pro
Martin rods...1/4". We took the SM rod apart...easy milling of the channel with a 1/4" core box/roundnose bit and much beefier construction are why we use Martin rods (even when replacing a Gibson neck!).

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TimAllen
PostPosted: Wed Jul 24, 2019 12:46 am 
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Joined: Wed Aug 12, 2009 1:13 am
Posts: 443
First name: Tim
Last Name: Allen
City: San Francisco
Focus: Build
Status: Amateur
Thanks for that post, Mr. Guthrie. I too use Martin rods. Such a pleasure! I never used Stew-Mac rods, but I used Allied rods. Just fine except for random breakage of the welds.

The Martins rods are straightforward to install, reliable, and seem to operate perfectly.

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Fasterthanlight
PostPosted: Wed Jul 24, 2019 3:51 am 
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Joined: Wed May 04, 2016 4:17 am
Posts: 150
First name: Gary
Last Name: Leddington
Focus: Build
Status: Amateur
It's exactly 5.5mm... they are probably made in a metric land.

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banjopicks
PostPosted: Wed Jul 24, 2019 12:34 pm 
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Joined: Tue Feb 26, 2008 6:19 am
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First name: Richard
Last Name: Hutchings
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State: RI
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Focus: Build
Status: Amateur
Well I bit the bullet and ordered the SM router bit. I like to stick with SM since I payed for free shipping, I can order thinks as I need them.

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