Use Coins As Washers

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About: I've worked for Instructables off and on since 2006 building and documenting just about everything I enjoy doing. I am now the Creative Programs founder and manager for Autodesk and just finished building o...

If you don't have washers on hand and just have to finish a project, you can drill holes into coins and use them instead. Use a dime or a penny for a small washer, and a quarter or half dollar to simulate a larger flange washer.

I wanted to finish building the brakes on my bike and I was no where near a hardware store so I just drilled through pennies. It worked great then, and the bike is still going strong!

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    19 Discussions

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    imonsei

    11 years ago on Introduction

    This would be a great instructable if it were not for the fact that destroying a coin is illegal. (at least in Denmark it is) Sorry tho, cause it's for a good use.

    3 replies
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    cdanila11imonsei

    Reply 2 years ago

    Maybe that is precisely one of the reasons why the lower value Danish coins have holes in them...

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    KeithT8imonsei

    Reply 2 years ago

    which means the us could save half the ore costs of minting 17 billion coins per year by making the into washers in the first place #drjill

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    hansonsux

    8 years ago on Introduction

    Be nice.  Don't destroy money.  The moral of the story is washers cost a tiny fraction of a cent wholesale.  Now look what Home Depot charges. 

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    lol at the nickname hanson sux they sure do suck. there is nothing not nice about putting a hole in a penny. they have no nerve endings. i make beautiful rings for protection and luck from pennies and dimes. i do not put holes in them but i heat them up which if they could feel which they can't would hurt. i am actually being very nice buy making myself lots of money selling them and getting them lots of love and attention!!! of all the silly things i have heard being nice to a coin is the craziest. adopt a tree or a dog they do have nerve endings.

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    junits15

    9 years ago on Introduction

    In the U.S it is illegal to destroy any coin worth $0.25 or higher. So no quarters or half dollars, only dimes penneys and nickels :)

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    kelseymh

    10 years ago on Introduction

    I presume you've (all) seen the "MAKE Money" projects "it's cheaper to make it out of money"? Such as the wonderfully ironic piggy bank?

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    Mr. Rig It

    10 years ago on Introduction

    This one is going into my mental toolbox. Nice, very nice. You get a +

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    Patrik

    11 years ago on Introduction

    They're cheaper too - when's the last time you were able to buy a washer for $0.01?

    Reminds me of "penny-weighting", a technique to make cardstock buildings more stable, by gluing a strip of pennies along the bottom. I've yet to hear anyone come up with a chaper and more convenient solution...

    1 reply
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    DavvikPatrik

    Reply 11 years ago on Introduction

    The hardware store I work at we have some washers for $0.01. Mind you they aren't really good metal like copper, and if you buy them in bulk they turn out ot be like $0.008 unit price

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    LinuxH4x0r

    11 years ago on Introduction

    I do the same thing, except i usually grind them down with an angle grinder to the right size. I'm not sure if i like the new slideshow thing.

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    Why wouldn't you just buy the correct washer? They cost next to nothing and are available pretty much anywhere.

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    Zeroth Labs

    11 years ago on Introduction

    I use this a lot, but you might want to suggest to use pennies minted BEFORE the year 1982. Pre-1982 pennies are mostly copper (95% copper and 5% zinc VS 97.6% zinc and 2.4% copper) and copper will not rust like zinc.

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    trebuchet03Zeroth Labs

    Reply 11 years ago on Introduction

    Zinc makes great sacrificial anodes ;) In some cases, something has got to rust -- I'd rather it be the penny :p

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    zjharva

    11 years ago on Introduction

    that's a cool new feature and a good idea for coins. woot!