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09-13-2016, 05:31 PM
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#1 |
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Registered User
 
Join Date: Feb 2016
Location: Richmond, VA
Posts: 176
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Anchor stamped on screws?
Cleaning up the five hex cap screws that hold the upper part of the engine bay heater box in, I noticed they have an anchor on them. Is this OEM, or another clue at decoding the GSA history of my truck? Navy?
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09-13-2016, 09:05 PM
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#2 |
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Registered User
Join Date: Jun 2014
Location: Mocksville, NC
Posts: 1,765
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Re: Anchor stamped on screws?
That's a cool little find, even if it's not stock. I don't have any insight but I'm in for any answers.
__________________
Builds: Green Gus the 68 C10 | Bluey the 72 1500 | Lowly the 70 C10 - Instagram: @dr.hewitt - C10 Concept/Development Photos: Master Thread |
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09-14-2016, 08:00 AM
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#3 |
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Senior Member
Join Date: Nov 2012
Location: Southeast Michigan
Posts: 792
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Re: Anchor stamped on screws?
The anchor is the marking of the bolt manufacturer. Very common on all GM vehicles.
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09-14-2016, 08:58 AM
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#4 |
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Registered User
Join Date: Nov 2011
Location: fayetteville nc
Posts: 10,338
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Re: Anchor stamped on screws?
Yeah, I have seen them on quite a few of my 63 bolts.
__________________
1963 Short bed step side SBW 427 big block and borg warner T-16 HD 3 speed manual http://67-72chevytrucks.com/vboard/s...d.php?t=519869 1963 Short bed fleetside BBW 348 1st gen big block w/Powerglide http://67-72chevytrucks.com/vboard/s...d.php?t=619024 1964 Short bed trailer |
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09-14-2016, 11:20 AM
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#5 |
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Registered User
Join Date: Dec 2010
Location: Louisville KY
Posts: 622
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Re: Anchor stamped on screws?
yes oem
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Bruce 1964 C10 SWB #Junk 1979 C10 utility #cargopants (sold) 1971 GMC Sprint (sold) 1974 GMC Grande Sierra (sold) |
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09-14-2016, 11:25 AM
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#6 |
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Registered User
Join Date: Feb 2016
Location: Richmond, VA
Posts: 176
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Re: Anchor stamped on screws?
Darn... Thought I had found something. I had visions of a seebee reassembling a heater box using random stuff from a bolt bin.
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09-14-2016, 11:42 AM
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#7 |
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Moderator
  
Join Date: Aug 2011
Location: China Spring, TX
Posts: 7,280
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Re: Anchor stamped on screws?
There is another car manufacturer that used the same screws on the firewall.
__________________
Master Chief, US Navy, Retired 1964 C10 Step-side Short Bed - In Progress 2009 2500HD Duramax LTZ 1948 GMC Panel 1956 Big Window Stepside 1953 5 Window Chevy Stepside 1932 Coupe New Seat Foam for Bench Seats? |
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09-14-2016, 11:55 AM
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#8 |
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Registered User
Join Date: Jan 2011
Location: CA
Posts: 772
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Re: Anchor stamped on screws?
Very cool!
Can I ask a question? How do you keep from rubbing the paint off when you put those back in? Thanks!
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'61 Panel - Helms Bakery Truck - Daily Driver - FOR SALE |
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09-14-2016, 12:05 PM
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#9 |
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Registered User
Join Date: Feb 2016
Location: Richmond, VA
Posts: 176
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Re: Anchor stamped on screws?
Clean sockets and rolling paper.
 I've heard of others using tissues, but I've always used rolling paper. It come's in handy for a lazy machinist trying when setting bit height a thou off a piece of work too.
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09-14-2016, 12:06 PM
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#10 |
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Registered User
Join Date: Jan 2011
Location: CA
Posts: 772
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Re: Anchor stamped on screws?
cool. Thanks!
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'61 Panel - Helms Bakery Truck - Daily Driver - FOR SALE |
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09-14-2016, 07:58 PM
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#11 |
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Registered User
Join Date: Nov 2008
Location: Lacombe, LA
Posts: 2,772
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Re: Anchor stamped on screws?
Ken, Is that ALL you use the rolling paper for......?
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