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Platinum Bullet Member
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Discussion Starter #1
What size thread die would be used for a T99, Zero series cleaning rod? Are they 23.75 inches long as listed in Honercutt?

Thanks in advance. db
 

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Discussion Starter #2
Oh, also are these rods marked and if so how and where? A lot of repros out there. thanks again...db
 

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Discussion Starter #3
How's this are these threads metric or inches? I am looking to run a tap over an existing cleaning rod to 'clean it up' and do not want to ruin it.
 

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Silver Bullet member
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Nagoya rods are usually marked on the slotted end; threads would be metric- I don't know the size or pitch. Victor Soto will see this and let you know.

PS-your 40mm repro went into the mail this am; thanks.
 

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Gold Bullet Member
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Hi dbieske :

The original Nagoya late T-44 - Nagoya 97 - all Type 99 cleaning rod thread is metric size 4 x 0.50 mm . Dies & taps are commercially available at machine tool specialty houses, forget Sears, Snap On or other common outlets.
Vicasoto
 

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Nagoya rods are marked "ij" near the patch slot usually. type 38 and 97 rods are marked "chi" for Chigusa arsenal and that symbol looks like a letter F but backwords.
 

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Nagoya rods are marked "ij" near the patch slot usually. type 38 and 97 rods are marked "chi" for Chigusa arsenal and that symbol looks like a letter F but backwords.
On the T-99 Nagoya rods the "ri" (ij) mark may also be on the tip or it may have the M mark in that spot.
I have a T-38 rod with the "ri" mark - only one I've ever seen.
 
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