Flat-Cap Jigging!!

I'm going to get nerdy here and ask if the pivot nickel silver or steel? My ulterior motive is to understand if nickel silver can blend in with steel when polished.

I don’t have any official information but I would guess with about 95% certainty that the pivot pin is steel and that nickel silver (at least the stuff I have) will not blend with a steel bolster. Also, on other GECs I’ve taken apart with steel parts, the pin itself has been steel… or at least it made sparks when ground against the belt sander.

Here’s how nickel silver looks against steel, granted this is not full polish but the color is different enough there’s no way it would match. I don’t want to get the thread off track so I’ve cropped the picture to only show the relevant part of the knife.

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I don’t have any official information but I would guess with about 95% certainty that the pivot pin is steel and that nickel silver (at least the stuff I have) will not blend with a steel bolster. Also, on other GECs I’ve taken apart with steel parts, the pin itself has been steel… or at least it made sparks when ground against the belt sander.

Here’s how nickel silver looks against steel, granted this is not full polish but the color is different enough there’s no way it would match. I don’t want to get the thread off track so I’ve cropped the picture to only show the relevant part of the knife.

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Thank you for the details!
 
I have posted this knife before but the photo was very poor IMO . I looked at the photo and really questioned that it showed that it had Flat Cap Jigging . I have taken some better photos along with my 2 remaining Flat Hats .
I have had Flat hats since my first business trip to Reading England in 1971 to introduce a new Concrete Pump design that I had designed . I have had some that I have worn enough to throw away . The one on the left was gifted to me by my associates from Doncaster , England in 2001 when they knew that I was retiring . It is made by Lochcarron and it is my favorite one . The other one was gifted to me by one of my Daughters and it has ear flaps .
The knife was made by Taylors Eye Witness and it was made to be used to clean conveyor belts in Coal Mines .
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Harry
 
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