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    Material for trigger mechanism pivots

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    Hermit
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    Material for trigger mechanism pivots

    Post by Hermit on Sun Mar 09, 2014 11:21 am

    the best material for trigger mech. pivots,is obviously steel,but there are many different types of steel these days,and one piece of steel looks exactly like another.The one most suitable(and readily available)is known in the U.S. as drill rod,and in the U.K.,as silver steel.It comes in 12 inch lengths,and is tougher than ordinary mild steel.It can also be hardened and tempered easily with a propane torch although for trigger and nut pivots,it probably does'nt need to be.Any decent metal supply house should have it in sizes suitable for trigger and nut pivots.
                                 Hermit.

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    Re: Material for trigger mechanism pivots

    Post by 8fingers on Mon Sep 29, 2014 10:49 am

    I was just on a site for muzzle loaders and found hardened steel pivot pins, 3/32" dia, by ! 1/2" long :20 for $12. Matching bit for $2. Are these pins what you had in mind or do think a larger diameter would be better?
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    Re: Material for trigger mechanism pivots

    Post by Geezer on Mon Sep 29, 2014 11:21 am

    In my shop, where we almost build bows over 200 lb, we use either 12/24 machine screws, supported by nuts at both ends for trigger pivot pins (medieval tickler-type triggers) or 3/16 dia. hard steel pins, supported by aluminum or brass tubing to line the hole. 3/32nd inch is very thin.  If your trigger is directly opposing the power of the bow, they'll be too light.  If they're several levers down in a complex lock, they should work out nicely. Geezer.
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    Re: Material for trigger mechanism pivots

    Post by Geezer on Mon Sep 29, 2014 11:22 am

    Harumph!  Make that 'almost NEVER build bows of over 200 lb.  Geezer.

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    Re: Material for trigger mechanism pivots

    Post by Pavaise on Mon Sep 29, 2014 3:51 pm

    Not bought any for a long time but you can buy case hardened dowel pins in a variety of sizes and they are quite cheap as I remember.

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