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Thread: Blackening old spanners
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25th November 2020, 07:16 PM #1
Blackening old spanners
Just wondering what methods people use to blacken old spanners. Once I have cleaned any rust off them I would like to get them back to a black colour that is reasonably durable and give them a bit of protection from rerusting.
45DDE623-CF84-4751-ACB2-596D718ED62E.jpg
have heard that you can heat them a dunk them in oil...wasn’t sure if that would soften them or not as I still want to use them.
Gaza
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25th November 2020 07:16 PM # ADSGoogle Adsense Advertisement
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25th November 2020, 09:12 PM #2
Phosphoric acid. Provided that are bare steel and not plated. Not good to heat them.
Regards
John
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25th November 2020, 09:32 PM #3.
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I use a cold fume bluing method.
It's a medieval process that takes ages but it gives outstanding results.
For details look here More metal bluing
At post #47 in that thread I describe a faster Hydrogen peroxide and Salt method. Its fast but I don't think its as good as teh cold fume bluing method.
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26th November 2020, 02:01 AM #4
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26th November 2020, 07:29 AM #5
Thanks everyone....I found a process of cold parkerising that Caswell sells that looks like a good option...will post some results after giving it a go.
Gaza
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26th November 2020, 12:05 PM #6
Looking forward to seeing the results.
Originally Posted by Vann
Spanners.jpg
The rest I've done in matt or satin black - which looks much better, but might get lost in the dark corners of my garage/workshop . Oh, and I painted the 1" BSW spanner for the spindle nut on my Wadkin saw in "Wadkin" grey.
Cheers, Vann.Gatherer of rustyplanestools...
Proud member of the Wadkin Blockhead Club .
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27th November 2020, 12:18 PM #7
I have ordered the Caswell Kit.. The freight is a killer due to the chemicals being classed as hazardous ... all though they did say they may be able to help with the freight a bit so we will see.
Was thinking of the Snail Brand as well, Vann. The Eagle brand just popped up at the right time so going for a set of those. Mainly looking at the single ended type although I have a few double enders. Might go a set of each if they pop up at the right price
Gaza
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27th November 2020, 01:35 PM #8
When I looked through what I had in the way of old fashion looking Whitworth spanners (similar to those pictured in the Wadkin brouchures), Snail was the dominant brand, also had several Lion brand and maybe a couple of Eagle brand. I also have some Superslim and King Dick but they're more modern looking. Almost all double enders.
For my woodlathe tailstock I needed a 5/8"BSW spanner. I found one that was in good nick - but the other end was splayed. So I ground the other end off to turn it into a single ender (it too got the 'Wadkin grey' treatment).
Cheers, Vann.Gatherer of rustyplanestools...
Proud member of the Wadkin Blockhead Club .
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