Radiator lower support bolts

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Old Oct 16, 2025 | 08:22 PM
  #1  
Mr. Machine's Avatar
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From: Lowell. Indiana
Radiator lower support bolts

Anyone have 2, radiator, lower support brace bolts?
These are a self tapping style that secure the lower radiator brace to the frame.

Old Oct 17, 2025 | 11:28 AM
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Radiator lower support bolts

What year and model?
Old Oct 17, 2025 | 12:52 PM
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Yes, what are you working on? I have numerous ones with the built-in washer, but they don’t have the relief cut. Matt
Old Oct 19, 2025 | 08:22 AM
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Bolts for 1966 Sports Coupe lower support for radiator

Thanks for the response. I have 2 of the 4 bolts that mount the lower radiator brace to the frame. I have a 330 with an automatic.I guess the factory just drilled the holes in the frame and drove in these self tapping bolts. That makes the threads currently in the frame weird because the self tappers thread is not a stsndard sae machine thread. In the worst case scenario, I will replace all four bolts and tap in the next biggest size.
Old Oct 26, 2025 | 04:23 PM
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Found missing weird bolt!

Thanks for the replies. Good to go....
Old Oct 26, 2025 | 04:30 PM
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Found missing weird bolt!

Thanks for the replies. Good to go....
I did find out what kind of bolt it is. Type 25 Thread Cutting Screw 3/8" by 1 with a hex head. Impossible to buy in any small quantity. J L Fasteners was able to identify it. Nobody would sell a few.
I found my missing bolt in a coffee can with misc stuff from my car.
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