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  • Author Author: billabott
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Project case construction

billabott

Having purchased some of these DC POWER JACK 2.1MM ENCLOSED FRAME WITH SWITCH, I began to wonder how am I going to create the proper precise opening to insert and secure it to.

 

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Will someone point me in the right direction and the right terminology to find a punch that will "Make:" this hole?

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  • Hi William,

    You've got the right terminology I think. There are punches and dies available in various common shapes, but they cost ($100 or more - as an example, this one is for D-type connectors) and require a press machine (could be a manual press or powered). There used to be tools where you would drill a smaller hole, and then screw the punch and die together through it, but I've not seen them for quite a while, and I don't know if they were ever available for small overall diameters. It is a pain to do it with no tool - I don't have one, and I have to drill about half a dozen holes for BNC connectors which have one flat side, and I'm not looking forward to it for the same reason. I'm planning on drilling a smaller hole and then using needle files - not ideal, but possibly the only way to do it at low cost - but it will take ages.

    Some would suggest to drill just a bigger round hole and squeeze in some epoxy resin glue to hold it in place permanently - really not nice, but I have done it sometimes :-(

    I'm always on the lookout for low cost metalwork tools - if I spot anywhere offering low cost punch and die tools, I'll paste it here!

Comment

  • Hi William,

    You've got the right terminology I think. There are punches and dies available in various common shapes, but they cost ($100 or more - as an example, this one is for D-type connectors) and require a press machine (could be a manual press or powered). There used to be tools where you would drill a smaller hole, and then screw the punch and die together through it, but I've not seen them for quite a while, and I don't know if they were ever available for small overall diameters. It is a pain to do it with no tool - I don't have one, and I have to drill about half a dozen holes for BNC connectors which have one flat side, and I'm not looking forward to it for the same reason. I'm planning on drilling a smaller hole and then using needle files - not ideal, but possibly the only way to do it at low cost - but it will take ages.

    Some would suggest to drill just a bigger round hole and squeeze in some epoxy resin glue to hold it in place permanently - really not nice, but I have done it sometimes :-(

    I'm always on the lookout for low cost metalwork tools - if I spot anywhere offering low cost punch and die tools, I'll paste it here!

Children