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I have seen some, about $1.83 per washer, with a 100 unit minimum. Much cheaper to buy a punch & die set and make your own.

Just smash with a hammer, usually the hole does not change, if it does ream with a drill. If you buy a 1/16 in bit with the hex shaft ($3 at Lowe’s), you don’t need a pin vise.

I get them as flat...

Peened dome side up, either to fill the hole or domed over smooth.

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I then take a 4-5 inch piece of bamboo chop stick and dimple the end so it fits over the pin head,( just a bit smaller) of the pinned razor.

Put a dab of .5 Diamond paste, rubbing or polishing...

Here’s the polishing mandrel, just a bolt with the head ground down a piece of 1/16 in id brass tubing and nut.

Polish with metal polish and Chrome Oxide.

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A tapered diamond burr, from Harbor Freight ($8 for the set) in a pin vise will open the hole nicely. Also works well for tapering the hole in the scales to prevent cracking, when pinning.

Here is...