 Welding on some nuts... |
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| Scott S |
 Oct 22 2010, 02:57 PM
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#1
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Small Member  Group: Members Posts: 1,698 Joined: 30-April 03 From: Colorado Member No.: 633  |
Hi All –
I cut the hole in my firewall for my conversion. I am going to attach the new steel access plate using screws on the interior, and then welding in some captured nuts on the engine compartment side of the firewall. Being that each nut will just get a quick zap of a couple of spot welds, do I need to worry about what finish is on the nuts (raw vs zinc, etc)? Thanks! (IMG:style_emoticons/default/beerchug.gif) |
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| IronHillRestorations |
Oct 23 2010, 03:02 PM
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#2
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I. I. R. C. Group: Members Posts: 6,930 Joined: 18-March 03 From: West TN Member No.: 439 Region Association: None 
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The nut inserts work great. Weld nuts are better but more involved. The fold over tab nuts also work without as much precision.
 http://www.aircraftspruce.com/catalog/hapages/tinnerman.php Another trick is to drill a hole about four sizes smaller than the tap you want to use, and then use a tapered punch to get the hole close to the correct drill size (to bugle the hole) and then tap it for the size screw you want to use. This takes more time, and works best if you have someone back up the hole with a improvised mandrel. |
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Posts in this topic
Scott Schroeder Welding on some nuts... Oct 22 2010, 02:57 PM
Elliot Cannon You could always rivet some nut plates instead of ... Oct 22 2010, 03:12 PM realred914 for your application probably no worry if plated o... Oct 22 2010, 03:54 PM bugsy0 nutcerts or similar are the way to go - no burned ... Oct 22 2010, 04:01 PM Andyrew I'd take a quick grind to the edge's your ... Oct 22 2010, 05:47 PM McMark :agree: remove the zinc plating before welding. I... Oct 22 2010, 08:54 PM majkos Oh! Good idea! :agree:
I'll do that o... Oct 23 2010, 07:57 AM plymouth37 If you have an air powered rivet gun (or the muscl... Oct 23 2010, 04:14 PM
URY914 I always put a bolt thru the nut before I weld the... Oct 24 2010, 08:39 AM |
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