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 Post subject: Spring steel for knobs and buttons
PostPosted: Oct Wed 25, 2017 10:47 pm 
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Joined: Feb Thu 24, 2011 3:13 pm
Posts: 707
Location: Ironwood, MI
It's been difficult to find spring steel for those inserts inside of radio knobs and push buttons.
Usually I end up at a local sewing machine place and the guy sells me some part from a sewing
machine that I cut into whatever I need. Spring steel on eBay is ridiculously priced. Last night
I needed to replace the inserts inside of two Philco knobs so they'd stay on the shaft and I started
looking around the shop for something with spring steel. Voila! ACCO clips. They cut easy with a hack
saw or Dremel. If you have a bench grinder you can fine tune them to fit nicely and remove any burrs.
Wish I'd have discovered this a long time ago.


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 Post subject: Re: Spring steel for knobs and buttons
PostPosted: Oct Thu 26, 2017 12:59 am 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 11533
Location: S. Dartmouth MA 02748-1225 USA
Great idea!

I have been using bits off of a Briggs & Stratton rewind starter spring. These used to sell for some $2.25...


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 Post subject: Re: Spring steel for knobs and buttons
PostPosted: Oct Thu 26, 2017 2:17 pm 
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Joined: Nov Mon 05, 2007 11:08 pm
Posts: 2369
Location: Calgary Alberta
I have been using the spring from old tape measures. Depending on the width , it comes pretty close to what I need. If it is off, then I use a dremel tool. Dan in Calgary.


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 Post subject: Re: Spring steel for knobs and buttons
PostPosted: Oct Thu 26, 2017 9:08 pm 
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Joined: Jan Mon 24, 2011 6:03 pm
Posts: 293
Location: Selkirk,MB,Canada
I've been using the spring from an old wind-up alarm clock.


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 Post subject: Re: Spring steel for knobs and buttons
PostPosted: Oct Fri 27, 2017 5:47 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 660
Those look like the would cut pretty easily with a pair of regular snips, and you wouldn't have to worry about losing any temper.


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 Post subject: Re: Spring steel for knobs and buttons
PostPosted: Oct Sun 29, 2017 1:01 am 
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Joined: Oct Sun 18, 2015 2:49 am
Posts: 109
Location: San Angelo, TX
Yes, some springs can be made from flat stock, but I can't make a complex spring like the ones in back of some Delco radio knobs. They slide over an 1/8 inch D shaft to lock the knob on. The spring has to be precision cut to fit and work. Denis


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 Post subject: Re: Spring steel for knobs and buttons
PostPosted: Nov Wed 01, 2017 6:51 pm 
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Joined: Feb Thu 08, 2007 2:32 pm
Posts: 11125
Location: 06457
I use a thin hacksaw blade.


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 Post subject: Re: Spring steel for knobs and buttons
PostPosted: Nov Thu 16, 2017 5:46 pm 
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Joined: Feb Sun 05, 2017 5:52 pm
Posts: 18
Location: Timonium, MD 21093
What part of these do you cut? how do you get the flat part??


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 Post subject: Re: Spring steel for knobs and buttons
PostPosted: Nov Sun 19, 2017 3:17 pm 
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Joined: Feb Thu 24, 2011 3:13 pm
Posts: 707
Location: Ironwood, MI
I generally cut just before the bent parts as shown with red lines. However sometimes I have
taken advantage of the natural hump on the spine and cut the spine out to use when I need
a compression hump.

By the way, in response to some of the earlier posts...this suggestion is by no means my implying
this is the best means to harvest spring steel.
It is just one of many ways that a person can
use which I discovered worked well. I am a fan of using easy-to-come-by things from around the house.


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 Post subject: Re: Spring steel for knobs and buttons
PostPosted: Dec Sat 02, 2017 12:24 am 
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Joined: Jun Wed 08, 2011 2:33 am
Posts: 6088
Location: Ohio 45177
Steel band from around crates, etc. is plentiful. It is thin and not too wide and maybe I should try cutting some with tin snips. Wonder if it is springy or strong enough. Maybe in the short pieces that would fit in a knob it would be OK?


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