Firing pin steel - Page 2
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  1. #21
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    Back in the ‘70s I worked in a die shop that used a lot of HSS drill blanks as pierce punches. I had a semi auto .22 rimfire made in Italy. The firing pin broke so I made one out of a drill blank. It broke in a matter of minutes. I diagnosed the break area, modified the design a little and made another. It broke really fast as well.

    I took a welding electrode, stripped the flux off it and made another firing pin. I used Kasenite on the tips. It worked great and is still in there.

    Kasenite is no longer available but “Cherry Red” surface hardening compound works great.

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  3. #22
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    My dad came across a copy of a Colt 1903 in Korea during the war that had a broken firing pin . He went to the motor pool & found the right sized drill bit & made a firing pin . the pistol still shoots today , though not very well.
    animal

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  5. #23
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    Great post. I will need to make firing pins for my LC Smith project eventually. LC internals were made with Chrome Vanadium steel when that became available. I have made all new internals from pre hard 4140, which rates a bit tougher and harder. I had thought to get the pins out of automobile leaf spring scraps, of which I have several. Here in the USA, we will be alright if the Dems tread lightly around the 2nd amendment. They have a very large and unbelievably PO'ed percentage of the population to contend with, now that we are returning to mindless, ineffective politics as usual.

  6. #24
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    I use S7. Never had to redo a pin made from S7 when quenched and tempered properly.

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  8. #25
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    For an early french (may have been Italian?) hand made double barrel I made the firing pins from a name brand Allen wrench. They had to be hand made because most everything about the gun wasn't at the same angle but off a tad.

    I did not wish to guess at material or heat treat. With having much experience using Allen wrenches for homemade easy-outs and other shop things I trusted that better than what I could fudge up.

    OT:
    My wife won a Holland and Holland double-barrel shotgun ...She traded it for a nice mink coat.

    likely it was worth over 20k at that time.


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