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Posted: 10/6/2010 6:38:54 AM EDT
| I am in the process of making a rivet squeezer from a Harbor freight 24 inch bolt cutter. Question: What is the proper size ball end mill that you use for the rivet head divot ? Thanks. |
| The reason I ask what is the proper size ball end mill to use for the rivet head divot is because there is a slight difference in the rivet head sizes between a regular rivet head and a swell neck rivet. As I'm sure you know, the front trunion on a Romanian akm uses 4 regular rivets and 2 swell neck rivets. The regular rivets in my rivet set measures .264 and the swell neck rivets measure a little smaller at .257. I was thinking of using a 17/64 ball end mill which is a little over .265 but was not sure if this size would be correct. |
Fact of the matter is that I doesn't matter. The rivet will take the shape of what ever you crush it with. If you wanted each rivet to have a star you could shape that in your rivet tool and it will transfer to each rivet head. I hope this helps and I'm not missing the point of your question. 
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| crffl, Thanks for your reply. I have also seen 5/16" mentioned as the proper size ball end mill to use for the rivet cup. However, I have also seen 1/4" and 17/64" mentioned as well. That's why I was unsure of what to use. And then to complicate the issue even more there is slight differences in rivet head diameters between regular rivets and swell neck rivets and slight differences in rivet head diameters depending on who you got the rivet kit from. I realize that I am not building the space shuttle here but I want the rivet heads to look good. |
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I think you will find this slight variation between endmill sizes will have little effect on the quality of the end project. It doesn't matter as much as you have pretended since the head will take the shape of whatever is pressing it. But good luck nonetheless.
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