Question about custom screw holes, Card hold down idea. - Overclock.net

**IEATFISH** · 10-19-09

I am trying to find a decent way to hold down my expansion cards on my tentative tech station.

If you'll notice, there is a plate in the back that the cards will attach to. I am wondering how hard it is to tap some thread in holes in the plate for thumb screws.

My question specifically arose due that he preceding question, but in a general sense, how feasible is it to tap metal for screws in a build? I often see people using bolts and nuts instead of tapping threads in metal.

tagurtoast · 10-19-09

Its not hard at all Ive done it at school before. (and Im only 13)

**IEATFISH** · 10-19-09

Here is my idea, as it stands at the moment. I have my regular holes drilled for the expansion slots but instead of an individual thumb screw for each slot, I would have a plate with bars that fit into each hole. That plate is held down by a pair of thumb screws. This way, two thumb screws opens all the expansion slots at once. I'm still trying to decide if I like this idea, but here is a pic:

CattleRustler · 10-19-09

in my techbench I used a piece of 1/16" steel plate that I cut into a strip, then drilled and tapped the holes for standard 6-32 screws. you just need a tap and drill kit and a small tin of tapping fluid

samfreese · 10-20-09

Quote:

Originally Posted by CattleRustler

in my techbench I used a piece of 1/16" steel plate that I cut into a strip, then drilled and tapped the holes for standard 6-32 screws. you just need a tap and drill kit and a small tin of tapping fluid

This

**IEATFISH** · 10-20-09

Quote:

Originally Posted by CattleRustler

in my techbench I used a piece of 1/16" steel plate that I cut into a strip, then drilled and tapped the holes for standard 6-32 screws. you just need a tap and drill kit and a small tin of tapping fluid

Quote:

Originally Posted by samfreese

This

Okay, so tapping screws is not hard at all. Good to know. Like I mentioned in my tech bench thread, I probably won't be doing the construction so I guess I'd assume someone who builds cases would have the necessary hardware to do it.

dkev · 10-20-09

Quote:

Originally Posted by IEATFISH

Okay, so tapping screws is not hard at all. Good to know. Like I mentioned in my tech bench thread, I probably won't be doing the construction so I guess I'd assume someone who builds cases would have the necessary hardware to do it.

Probably. But really you can do it yourself. But it depends how thick the metal is. If it is not to thick, you can use a self cutting screw, like a sheet metal screw. But if it is thicker metal I would recommend something like this.
http://www.amazon.com/gp/product/B000FBEUWS

I have a full tap and die set like this
http://www.northerntool.com/webapp/w...3875_200313875

I can tell you they are worth their weight in gold.

samfreese · 10-20-09

Quote:

Originally Posted by IEATFISH

Okay, so tapping screws is not hard at all. Good to know. Like I mentioned in my tech bench thread, I probably won't be doing the construction so I guess I'd assume someone who builds cases would have the necessary hardware to do it.

OOOHHH, OOOHHH, pick me! pick me! I'll do assembly and work free if you pay shipping and hardware. I'm kind of bored right now.

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Question about custom screw holes, Card hold down idea.

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