Hardware to mount pcb/prototype board to metal box?

mgb_phys

Science Advisor
Homework Helper
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They are called 'stand-offs'
Little hexagonal rods with a tapped hole in each end - you screw through the box into one end and trhough the PCB into the other
Or you can get stick on plastic ones that glue to the inside of the box and have little plastic barbs that go through the hole in the PCB
 

MATLABdude

Science Advisor
1,646
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If you have fairly thick metal, you can get stand-offs that have a thread on one end, allowing you to screw it into the bottom of your box. This works best if you have access to a machine shop with a lathe, or someone that's really good with a drill press. You also need to know exactly where your holes are to be located.

If you just have a sheet metal box, well, the ones with tapped holes are probably the way to go, along with some round head screws through the sheet.
 

MATLABdude

Science Advisor
1,646
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that website has them. http://www.protostack.com/index.php?main_page=product_info&cPath=4_11&products_id=9

you could also buy enclosures that have slots or standoffs incorporated into the box.
Keystone may be a little closer to home, if home happens to be the US or Canada. A lot of distributors carry their stuff:
http://www.keyelco.com/

EDIT: $5 Global Shipping from Protostack! I'll have to remember that one...
 
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0
Nut inserts probably aren't what you'd want for your application but I thought they would be worth mentioning because they come in handy sometimes. For example, when a "backer plate" is desired in the bottom of an enclosure and you want to put standoffs on it to mount PCBs.

http://www.mcmaster.com/#nut-inserts/=qoac3"
 
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