Crimping the 5.7x28mm

Reloading info for the 5.7x28mm

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Grantness
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Re: Crimping the 5.7x28mm

Post by Grantness » 12 Jun 2009, 17:42

What lengths did you cut it to?

Maerlyn13
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Re: Crimping the 5.7x28mm

Post by Maerlyn13 » 12 Jun 2009, 20:28

The die body/sleeve was cut to 1.952 and the insert/collet was cut to 1.035.

apache
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Re: Crimping the 5.7x28mm

Post by apache » 12 Jun 2009, 20:36

Maerlyn13 wrote:The die body/sleeve was cut to 1.952 and the insert/collet was cut to 1.035.

Post a pic of one of your rounds crimped with your die.
But a Constitution of Government once changed from Freedom, can never be restored. Liberty, once lost, is lost forever.
John Adams, July 17, 1775

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Re: Crimping the 5.7x28mm

Post by Llagoud » 12 Jun 2009, 21:12

Please.
And thank you for your anitcipated cooperation. :D

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Re: Crimping the 5.7x28mm

Post by Maerlyn13 » 12 Jun 2009, 23:13

Sorry, typo on the insert/collet. It was cut to 1.095.
Image[/URL[URL=http://img188.imageshack.us/i/1000946q.jpg/]Image

Grantness
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Re: Crimping the 5.7x28mm

Post by Grantness » 13 Jun 2009, 07:41

Looks nice :thumb: Did the FCD cause that ring around the shoulder?

I just ordered two Hornet FCD's and one Bee FCD. Gonna keep my fingers crossed that I'll get a good one. Its nice to see and hear the results everyone is getting w/ different OALs....so that I can pick out what works best :D

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Re: Crimping the 5.7x28mm

Post by Maerlyn13 » 13 Jun 2009, 09:15

Actually, No. My Lee reloading dies did it. Its actually way more noticeable in the picture than when you're looking directly at it.. After looking at all my sized brass, all the shoulders seem to have it.

apache
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Re: Crimping the 5.7x28mm

Post by apache » 14 Jun 2009, 17:56

Thanks Maerlyn13, I was thinking your collet insert may have been to short, but your updated number looks correct to me. Good Job and good pics.
But a Constitution of Government once changed from Freedom, can never be restored. Liberty, once lost, is lost forever.
John Adams, July 17, 1775

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Re: Crimping the 5.7x28mm

Post by Llagoud » 23 Jul 2009, 11:44

I made 4 extra's, and I think I'll put them up for sale. Two were made with Lee blank die bodies, and two with Hornady blank die bodies.
I'd like to buy one and take it for a spin. :D

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Vortec MAX
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Re: Crimping the 5.7x28mm

Post by Vortec MAX » 23 Jul 2009, 14:25

How much? I am very interested.

Mike

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Re: Crimping the 5.7x28mm

Post by njogi » 23 Jul 2009, 14:53

On the side note:

I used 218 Bee Lee FCD that I had ordered with Lee 5.7 dies. Used a Band Saw to cut the die body/sleeve to 1.952 and the insert/collet to 1.095 per Maerlyn13. Got to above measurements...Very close after the polishing...

The Insert/Collet has now a little play ...Loose ..in the Sleeve...Is that OK?

I created some dummy rounds with 55 FMJ and a 36g Grenade...But the Bullets sit pretty tight ..so I can not really tell if it is working like it should...

Should the play matter..When I pull on the press rod and observe from the top, it does move to crimp and seem to function... :?:

Should I measure a sized case neck and try to crimp it and re-measure ...and see if it changed the next measurement ?

Thanks.

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Re: Crimping the 5.7x28mm

Post by Llagoud » 23 Jul 2009, 15:39

I've learned to not very much like cheap.

Still interested.

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Re: Crimping the 5.7x28mm

Post by Grantness » 23 Jul 2009, 17:04

njogi wrote:I used 218 Bee Lee FCD that I had ordered with Lee 5.7 dies. Used a Band Saw to cut the die body/sleeve to 1.952 and the insert/collet to 1.095 per Maerlyn13. Got to above measurements...Very close after the polishing...

The Insert/Collet has now a little play ...Loose ..in the Sleeve...Is that OK?
I tried to tell you that was gonna be too short for the body. Its best to cut the insert first so you can judge how deep to cut the body. I usually just go to the second thread and cut there....followed by some buffing to even it up.

It should be fine though. Its mostly just a cosmetic defect. The first one I made looks like that. I've been trying to dump it for like $20 for a while :laugh:

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Vortec MAX
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Re: Crimping the 5.7x28mm

Post by Vortec MAX » 23 Jul 2009, 21:22

Medula Oblongata wrote:They're not going to be cheap, unfortunately.

Between the blank die body cost ($30.00), the cost of the custom reamer and its very short life (the die material is extremely hard and the reamer only lasted 8 cuts, at a cost of more than $300.00), and my time, they'll likely be about $80.00.
I still want one. One is mine all mine all mine. Let me know the total with shipping.

Mike

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LK45s
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Re: Crimping the 5.7x28mm

Post by LK45s » 24 Jul 2009, 08:29

Put me down for one too MO.
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Grantness
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Re: Crimping the 5.7x28mm

Post by Grantness » 24 Jul 2009, 09:38

Medula Oblongata wrote:Between the blank die body cost ($30.00), the cost of the custom reamer and its very short life (the die material is extremely hard and the reamer only lasted 8 cuts, at a cost of more than $300.00)
What material was the reamer made out of? You werent able to resharpen it? Did you pre-cut a pilot hole with a seperate reamer (i.e. decimal reamer) or did you do the whole job w/ that one reamer?

Im surprised by how short a time that reamer lasted. I mean, many companies will rent out their reamers for a relatively small amount of money. If they only lasted 8-10 times, I doubt they would rent them out so cheaply like that. Was it heat treated properly?

:?:

Norwood Matt
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Re: Crimping the 5.7x28mm

Post by Norwood Matt » 12 Aug 2009, 04:23

MO,

I'm interested in one of those 3 crimp dies. Please let me know what I need to do to get one.

TIA,
Matt

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Re: Crimping the 5.7x28mm

Post by curlysir » 21 Dec 2011, 14:34

Grantness wrote:
njogi wrote:I used 218 Bee Lee FCD that I had ordered with Lee 5.7 dies. Used a Band Saw to cut the die body/sleeve to 1.952 and the insert/collet to 1.095 per Maerlyn13. Got to above measurements...Very close after the polishing...

The Insert/Collet has now a little play ...Loose ..in the Sleeve...Is that OK?
I tried to tell you that was gonna be too short for the body. Its best to cut the insert first so you can judge how deep to cut the body. I usually just go to the second thread and cut there....followed by some buffing to even it up.

It should be fine though. Its mostly just a cosmetic defect. The first one I made looks like that. I've been trying to dump it for like $20 for a while :laugh:
Resurrecting an old thread. Been reading about the crimp die and decided to make one using the 218 Bee Lee FCD like described here and in the other thread. How is the best way to determine how much to cut off the collet and the die? Details appreciated. Just received the die today and will start cutting, grinding, polishing soon.

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Re: Crimping the 5.7x28mm

Post by RWD57 » 22 Dec 2011, 12:01

Years ago I reloaded for a commercial operation and we frequently encountered requests and/or requirements to crimp ammo for which crimp dies were not available. The solution to this problem was simple. After we seated the bullet normally, we pulled the decapping rod/stem out of the resizing die and ran the loaded rounds back into the resizing die, which crimped the bullet very uniformly. Note that we did not run the cartridge all the way back in to the resizing die, but ran it in only far enough to squeeze a bit of the neck around the bullet, usually less than 1/8 of an inch after resistance was felt. We also employed the resizing die as a crimp die on powerful handgun cartridges when the factory crimp/bullet seater proved incapable of holding the bullets through repeated recoil in the cylinder. On the 5.7, I've been loading moly-coated Nosler Ballistic Tips without a crimp of any kind with excellent results.

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Re: Crimping the 5.7x28mm

Post by starfury » 22 Dec 2011, 19:23

I used a 22 hornet FCD as the starter for modification and my shell holder is a hornady. My final collet length was 1.075" which gave me about 20 to 30 thousandths on the crimp. Since you are using a different FCD start by sticking a resized/trimmed piece of brass in the shell holder and measure the length of the brass sticking beyond the holder. Then add about 75 thousandths to that for a starting length. You can then grind off some as you test to get the crimp width you want – better to start long and trim down (I trimed to much on mine initially). However, if you trim too much you can always bond/weld a thin piece of shim material to the bottom to thicken it back up (what I did). You can also check the thread viewtopic.php?f=19&t=1438" onclick="window.open(this.href);return false; for FCD modification.

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