Author Topic: Bayonet Rivet Question on SKSS carbines  (Read 1176 times)

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Athappyhiker

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Bayonet Rivet Question on SKSS carbines
« on: April 11, 2024, 09:31:41 PM »
So I have two like new SKSS "para" model carbines. One came with the spike bayonet attached I bought recently and one that I bought last year without a bayonet.  I decided to fix that and ordered a para bayonet with all the parts/spring and rivet (both of the guns use the non-threaded rivet-style bayonet lug attachment).  When putting on the "new" bayonet, and pondering over how to get the "open" end of the rivet flared/flattened out to retain the rivet, I also noticed that the rivet on the other rifle's bayonet lug isn't flattened/flared either. Both rivets are held tight in the lug holes when the bayonets are in the closed position (folded against stock) but you can push them back out with finger pressure when the bayonets are in the open positions (clearly there's much more tension on them when closed).
How do you flare/mushroom/flatten out the rivet's end (is hollow/tubular only for a small portion of the rivet's length)? It barely sticks out the other side of the lug. I don't have a center punch that is big enough and don't have any ball bearings to do it with.  Thanks in advance for any suggestions. I don't want to try just smashing it against a flat surface and mangling the rivet end.

PAX

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Re: Bayonet Rivet Question on SKSS carbines
« Reply #1 on: April 11, 2024, 10:41:59 PM »
I'm fortunate to have a wide punch. You might try a screw or punch that's slightly larger than the rivet. It doesn't need much flair. PAX
"A free people ought not only be armed and disciplined", George Washington,
"but they should have sufficient arms and ammunition to maintain a status of Independence from any who might attempt to abuse them." Sent from behind the KaliKurtain. PAX

Athappyhiker

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Re: Bayonet Rivet Question on SKSS carbines
« Reply #2 on: April 12, 2024, 07:46:34 AM »
I'm fortunate to have a wide punch. You might try a screw or punch that's slightly larger than the rivet. It doesn't need much flair. PAX

I have straight walled flat-tipped punches that are slightly bigger than the rivet, but if I use a flat tipped punch do I risk mashing the rivet's sides inward vs flaring outward?  This rivet cost $10 plus a shipping wait. Don't want to mess it up

PAX

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Re: Bayonet Rivet Question on SKSS carbines
« Reply #3 on: April 12, 2024, 09:48:17 AM »
If you're careful, you can try a smaller punch with a slight angle to peen or stake the pin. PAX
"A free people ought not only be armed and disciplined", George Washington,
"but they should have sufficient arms and ammunition to maintain a status of Independence from any who might attempt to abuse them." Sent from behind the KaliKurtain. PAX

Greatguns

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Re: Bayonet Rivet Question on SKSS carbines
« Reply #4 on: April 12, 2024, 11:46:32 AM »
Use a steel ball bearing to set in the open end then squeeze it in a vise (hydraulic bench press is best) to 'press' the flare into shape. I have also used a smaller ball-peen hammer as well

easy

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Re: Bayonet Rivet Question on SKSS carbines
« Reply #5 on: April 12, 2024, 08:56:54 PM »
You can get one of those metal balls out of a spray paint can.
Some idiots are too busy knowing it all to ever learn anything

Athappyhiker

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Re: Bayonet Rivet Question on SKSS carbines
« Reply #6 on: April 13, 2024, 11:36:34 AM »
Ended up buying a center punch kit and used one to open up the edges of the rivet.  Doesn't look like it flared it much but I can't push the rivets back through anymore with just finger pressure, and since there's never any serious lateral pressure on these bayo pins when firing, I think it's good to go.

PAX

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Re: Bayonet Rivet Question on SKSS carbines
« Reply #7 on: April 13, 2024, 01:27:22 PM »
It's GTG, PAX
"A free people ought not only be armed and disciplined", George Washington,
"but they should have sufficient arms and ammunition to maintain a status of Independence from any who might attempt to abuse them." Sent from behind the KaliKurtain. PAX