Re: Need correct screws to attach top bows on a
Posted by Karl On 2022/10/7 7:04:18
That would be my way to fix this problem.
Why the screws come out of the wood bows … because the wood is now 87 years old dry and the whole top frame is “flexible” and shaking and rattle all the time if the car is running.
There is no way that screws in original size will hold the metal frame piece properly into the wood.
So … I use only stainless steal and select the next size of diameter. Over here in Germany the size grows up by 0.5mm. That’s perfect for this problem. But the head of the shrew has a bigger diameter which will not fit into the funnel (?) hole. So I use the lathe (which everybody has in his basement … I hope) and make the hut the same size like the original one. Then I polish the hut on my polishing stand (which also everybody has in his basement or garage)
Now the screw will sit strong into the old wood hole and if you put a little (!!!) drop of this special PU glue “Titebond” on the tip of the thread.
The only what additional is to do … open the diameter of the hole into the top frame piece. DON`T try to do this with a drill in a drill machine by hand. If you try this … the drill will pull you very fast to the metal right trough the wood and the hood fabric. Use a “Dremel” or a drill stop tool as you see it into the pictures.
Hope this is helpful …
Karl
And … have fun on my English grammar.
Attach file:
1.JPG (143.27 KB)
2.JPG (212.33 KB)
3.JPG (220.01 KB)
4.JPG (226.38 KB)
5.JPG (256.68 KB)
6.JPG (146.13 KB)
Why the screws come out of the wood bows … because the wood is now 87 years old dry and the whole top frame is “flexible” and shaking and rattle all the time if the car is running.
There is no way that screws in original size will hold the metal frame piece properly into the wood.
So … I use only stainless steal and select the next size of diameter. Over here in Germany the size grows up by 0.5mm. That’s perfect for this problem. But the head of the shrew has a bigger diameter which will not fit into the funnel (?) hole. So I use the lathe (which everybody has in his basement … I hope) and make the hut the same size like the original one. Then I polish the hut on my polishing stand (which also everybody has in his basement or garage)
Now the screw will sit strong into the old wood hole and if you put a little (!!!) drop of this special PU glue “Titebond” on the tip of the thread.
The only what additional is to do … open the diameter of the hole into the top frame piece. DON`T try to do this with a drill in a drill machine by hand. If you try this … the drill will pull you very fast to the metal right trough the wood and the hood fabric. Use a “Dremel” or a drill stop tool as you see it into the pictures.
Hope this is helpful …
Karl
And … have fun on my English grammar.
Attach file:
1.JPG (143.27 KB)
2.JPG (212.33 KB)
3.JPG (220.01 KB)
4.JPG (226.38 KB)
5.JPG (256.68 KB)
6.JPG (146.13 KB)
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