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Old 11-18-2019, 09:45 AM
poison ivy

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Source for Anschutz 164 parts



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Where can I find screws for the 164 SA sporter trigger? I need the trigger weight adjustment screw and the trigger stop/over travel screw and nut. Numerich is out and Anschutz North America only works on current products. I see a couple of triggers on ebay but not just parts. Appreciate your wisdom.
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Old 11-18-2019, 02:25 PM
wkd
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You need to identify which trigger you have. If it is the 5057 the screws may be difficult to come by. Ace hardware may be your best bet as both screws a just metric set screws.
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Old 11-18-2019, 05:25 PM
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It is a 5057 and the parts unfortunately aren't just simple metric set screws, the parts numbers clearly are telling a different tale.
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Old 11-18-2019, 06:31 PM
wkd
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Part numbers are 5057-15 and 141-36 or 64-36. How does this not make them metric screws?
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Old 11-18-2019, 07:17 PM
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Quote:
Originally Posted by wkd View Post
Part numbers are 5057-15 and 141-36 or 64-36. How does this not make them metric screws?
Metric, but not simple screws, is what Andy is saying.
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Old 11-18-2019, 08:16 PM
poison ivy

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It is the 5057, but I have had no luck matching them. I called Neil Stepp today and he said he would look around in his stash for me and let me know.

The alternative is to have a smith drill them out for standard screws. I just don't have a smith close by I trust to do it.
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Old 11-18-2019, 08:20 PM
wkd
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Quote:
Originally Posted by Camster View Post
Metric, but not simple screws, is what Andy is saying.
What makes them special?
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Old 11-19-2019, 04:27 AM
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Quote:
Originally Posted by wkd View Post
What makes them special?
I have no idea-I don't have one of those triggers, but the pull adjustment on other models has a post on the end to locate the spring, so this one might as well.
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Old 11-19-2019, 06:35 AM
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Quote:
Originally Posted by Camster View Post
I have no idea-I don't have one of those triggers, but the pull adjustment on other models has a post on the end to locate the spring, so this one might as well.
Whenever an Anschutz screw does not have a DIN standard listed but an Anschutz parts number, like 5057-15, it is a special product and used for a special purpose. The trigger adjustment screws are not tightened and do not have heavy friction keeping them in place but have much finer threads that are steeper to help keeping them stay put.

Before I answered this thread, I actually checked to make sure that I could answer correctly. Last year I had helped one of our members here by finding a 54 trigger adjusting screw for his 54 sporter in Germany, where the screw is similiar in every respect.
FWIW, I have some Anschutz parts that are incomplete and are also missing those fine thread screws. I never found any metric screw that I could cut or grind to fill the purpose.


This should explain the problem:
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Old 11-19-2019, 08:06 AM
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Andy, thanks for the picture. Now it is coming back to me, many years ago I had a customer bring his rifle in for a replacement spring and screw. Upon inspection I found the threads damaged so I re tapped the hole to SAE, and replaced the screw with a full dog set screw, problem solved. Funny what time does to the memory.
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Old 11-19-2019, 01:00 PM
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Quote:
Originally Posted by wkd View Post
Andy, thanks for the picture. Now it is coming back to me, many years ago I had a customer bring his rifle in for a replacement spring and screw. Upon inspection I found the threads damaged so I re tapped the hole to SAE, and replaced the screw with a full dog set screw, problem solved. Funny what time does to the memory.
Tell me about that! And time also affects eyesight, I need magnifying glasses now to not miss some details. Nevertheless, I had forgotten the details, too, and had to look at the trigger to jog my memory.

The trigger adjustment spring uses some cup at the bottom and that is why the set screw is smaller on top. Cutting the threads would be the easiest solution for the trigger adjustment screw, even though the cup might slip if the set screw isn't pointed, but the OP is also missing the sear adjustment screw, or at least the nut.
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Old 11-19-2019, 02:31 PM
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Blue Loctite may very well hold the screw without the nut.
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