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 Technical Discussion
 Identification & Photo Reference
 "D" Stamped Round Bolt
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americanboy
Advanced Member


USA
329 Posts

Posted - 07/07/2017 :  09:59:41 AM  Show Profile Send americanboy a Private Message  Reply with Quote
I'm looking at a round bolt bearing a "D" marking. I assume it's post-war as it has a drain-hole. Can anyone shed any light on the identity of this bolt and/or it's supposed quality?

It's not in my hands and picture's won't do much good...just visualize a blued round bolt and that's what it is. I am only considering it, if I can discover what the "D" indicates. I can see the punch-mark.

Edited by - americanboy on 07/07/2017 3:38:13 PM

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jimb16
Moderator



USA
3105 Posts

Posted - 07/08/2017 :  5:49:51 PM  Show Profile Send jimb16 a Private Message  Reply with Quote
Believed to be manufactured by Drillmation.

OGCA Lifer,NRA Life member, son of a 325th GIR Glider Rider
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americanboy
Advanced Member



USA
329 Posts

Posted - 07/08/2017 :  6:31:43 PM  Show Profile Send americanboy a Private Message  Reply with Quote
That's a whole lot better than any suggestion I had. Thanks Jim.
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americanboy
Advanced Member



USA
329 Posts

Posted - 07/12/2017 :  06:18:16 AM  Show Profile Send americanboy a Private Message  Reply with Quote
I've never heard of them as a supplier of carbine parts? Searches don't turn up anything I can use. Does anyone think this bolt could be trusted?
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Tuna
Moderator



3241 Posts

Posted - 07/12/2017 :  11:34:33 AM  Show Profile Send Tuna a Private Message  Reply with Quote
Post Korean war and more like Vietnam era.
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americanboy
Advanced Member



USA
329 Posts

Posted - 07/12/2017 :  11:48:33 AM  Show Profile Send americanboy a Private Message  Reply with Quote
Let me try and hem-you-up Tuna. Would there be any reason not to trust this bolt? I realize it's post-war, but is it reasonable to think it meets requirements...specs.

At the moment, it can be had for something well below an Underwood post-war bolt.
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jimb16
Moderator



USA
3105 Posts

Posted - 07/12/2017 :  7:06:20 PM  Show Profile Send jimb16 a Private Message  Reply with Quote
Should be fine. It is a mil spec replacement bolt made for the US military.

OGCA Lifer,NRA Life member, son of a 325th GIR Glider Rider
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