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What is the screw for a Vectrex cart case?

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I have the same issue , but I need to find the European correspondence.

- 3/4" Length, I can translate

- Type B, #4-24 : what does it mean ?

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I have the same issue , but I need to find the European correspondence.

- 3/4" Length, I can translate

- Type B, #4-24 : what does it mean ?

 

 

Type B = Point Type. In this case think of it as a slightly angled point that has a flat tip, In reality the original Vectrex screw is really a Type 25 point that is also also self tapping / cutting. But Type B points seem to be easier to find

Picture URL for screw point types: http://elginfasteners.com/resources/screw-point-types/

 

#4 = the screw diameter size. In metric the closest is M2.9 (sheet metal) or M3 (machine screw) or M3.5 (sheet metal)

24 = the number of threads per inch

For a direct metric replacement i would estimate a M2.9 x 1 or M3.5 x 1.3. Either in 19mm length is the one to use.

The original era screw type is a steel sheet metal screw. Also used for plastic. Though I have see people use a machine screw type in the past. Sheet metal screws work better for the plastic case and are easy to find. I have also seen people use other screw material types (brass, copper, etc) for a cool / different look.

The original era screws are black color Black Zinc was used. But a black phosphate could be used. I have also seen people use other colors. Or paint. Or sharpie.
The head type for the original screw is a cheese head. But a pan head looks close and is easier to find.

 

See my previous post for a good source of black screws at a reasonable cost.

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On 8/20/2018 at 1:22 PM, Vectrexer said:

Even better since they match the original screw

 

https://www.amazon.com/gp/product/B00GIDARTM/ref=oh_aui_detailpage_o03_s00

 

Steel Sheet Metal Screw, Black Zinc Plated Finish, Pan Head, Phillips Drive, Type B, #4-24 Thread Size, 3/4" Length (Pack of 100)

 

Anywhere from $3.17 to $10.00 for 100 screws

I know this is an old thread but it's where people end up when looking for that info.  An alternative to the above, with a flat head, is https://www.amazon.com/Finish-degrees-Phillips-Thread-Length/dp/B00GI6MUJO/

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