Countersunk 5-40 screw for Cox tether car wanted

David S Mon Jan 13, 2020 7:23 pm

Does anyone have the countersunk 5-40 screw that holds the flywheel/gear assb.to the crankshaft of my Cox GT40 tether car .049 engine? I am also in need of 2 hubcaps for the same car.They have a wire wheel pattern on them.

David S

aspeed Tue Jan 14, 2020 7:43 am

I guess there is no answer for you. You are on your own for the wheels, but for the screw, you can sometimes find the 5-40 bolts at hardware stores. Look under 1/8" stove bolts. I used to see them all the time but passed them by because they were countersunk, and I didn't need that. I used the longer ones for studs on some spinners though. It may not be original but may get you going.

getback Tue Jan 14, 2020 9:17 am

https://www.zoro.com/zoro-select-countersunk-head-screw-phillips-pk100-m513000300016/i/G9903857/feature-product?gclid=CjwKCAiA6vXwBRBKEiwAYE7iS89tw6dAMeKSCvR7EV7A7iV6OKhx3C69MxG5PSdxnsp3HrzNGRC9WxoC2R4QAvD_BwE

aspeed Tue Jan 14, 2020 10:19 am

I think that one is an M3 x 0.5 mm?

getback Tue Jan 14, 2020 10:24 am

ok here https://www.fastenere.com/products/5-40-x-2-flat-head-socket-cap-screws-black-oxide-alloy-steel-qty-10?variant=13236984283178¤cy=USD&utm_source=google&utm_medium=cpc&utm_campaign=google+shopping&campaign=8676242333&content=407306214398&keyword=&gclid=CjwKCAiA6vXwBRBKEiwAYE7iSyxQOPgqWjqtG1nxtj9V45qENhPZhxd5X6YUkAppEcjJrB_psBmethoCT4IQAvD_BwE

Marleysky Tue Jan 14, 2020 10:46 am

I found these hub caps on Ebay:

Countersunk 5-40 screw for Cox tether car wanted 88afe310

David S Tue Jan 14, 2020 4:03 pm

Thank you for all the replys.I will most likely have too make the 5-40 screw on my lathe.When making screws this small it is easier too buy them if possible.I will purchase the hub caps on ebay for my GT40 tether car.

David S

Marleysky Tue Jan 14, 2020 4:28 pm

You must be good on the lathe! That’s mighty small for me to try and turn, even if I had a lathe!!
Don’t know if you are anywhere near a Menards, HomeDepo or Lowes, but they seem to have a decent selection of machine screws in the #4, 5 and 6 sizes. If not here’s some from our old friends at Tower Hobby:

https://www.towerhobbies.com/cgi-bin/wti0001p?&I=LOSC1914&P=FR&gclid=CjwKCAiA6vXwBRBKEiwAYE7iS0mKkRCyfLNCmKK_H4emqlKSsXqQDx61TEWJ1j1nZ3gPTayLjXoHYRoCk68QAvD_BwE

The

EXModelEngines Tue Jan 14, 2020 4:40 pm

We have some screws. Drop me a message sales@exmodelengines.com

David S Tue Jan 14, 2020 9:24 pm

Marleysky wrote:You must be good on the lathe! That’s mighty small for me to try and turn, even if I had a lathe!!
Don’t know if you are anywhere near a Menards, HomeDepo or Lowes, but they seem to have a decent selection of machine screws in the #4, 5 and 6 sizes. If not here’s some from our old friends at Tower Hobby:

https://www.towerhobbies.com/cgi-bin/wti0001p?&I=LOSC1914&P=FR&gclid=CjwKCAiA6vXwBRBKEiwAYE7iS0mKkRCyfLNCmKK_H4emqlKSsXqQDx61TEWJ1j1nZ3gPTayLjXoHYRoCk68QAvD_BwE

It can be made on the lathe,but it would be much easier too purchase the screw than trying too make it.I have made small screws and bolts before on my lathe and they are a pain too make them!

David S
The

David S Wed Jan 15, 2020 6:09 pm

I bought the hub caps for my GT40 tether car today on ebay.Thank you for sending me the listing on ebay!

David S

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Countersunk 5-40 screw for Cox tether car wanted

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Re: Countersunk 5-40 screw for Cox tether car wanted

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Re: Countersunk 5-40 screw for Cox tether car wanted