Adapter needed for Dillon 450

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shuz

Active Member
I am looking for a 7/8x14 threaded adapter that I could fit into station #2 off my Dillon 450 that would extend the height of the powder measure so that I could use the very long(too long for a .250 Savage) powder funnel 543R.
The 543R is for the. 256 Winchester mag handgun cartridge or the. 25-20 rifle cartridge.
I am trying to expand and bell the neck of my brass with the Dillon powder measure so that I can delete the use of the Lyman M die now in station 2, and thus be able to use the Lee Factory crimp die in station 4.
Thanks for looking!
Shuz
 
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david s

Well-Known Member
Don't know if this would work for you or not but Dillon offers a 550 powder die that has a set screw to lock the powder funnel in place (nonmoving) inside the die. The also offer a 7/8X14 powder measure adapter that allows you to mount a non-Dillon powder measure to the powder die. If you get the printed catalog these parts are not on the page with the 550 presses but on a different page as upgrades to the basic 550 press. I use the set screw powder die with Dillon funnels and stick powders. And also have the powder measure adapter that will work with a Lyman 55 measure.
 
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shuz

Active Member
david s-- Sounds like the 550 powder die is just like my 450 die.It holds the funnel in place with a set screw and does not move.?
Do you know the Dillon part number of the adapter that you reference?
I have an RCBS powder measure I could use. I have been thinking up to now of just using my Dillon powder measure that came with the 450 press.
Thanks
Shuz
 
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Petrol & Powder

Well-Known Member
No, the 550 powder funnel (pictured in the other thread related to this same issue) is free to float inside the outer die. There is no set screw.
 
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david s

Well-Known Member
I believe the part number is 20029. From left to right, 450 set screw powder die, Dillon adapter 20029, Lyman drop tube with 7/8X14 upsize bushing and the powder measure.
 
Michael

Michael

Active Member. Uh/What
Shuz,
My apologies, I am embarrassed that I steered you wrong, not realizing until now that the 550 differs so much from the 450. I have a powder funnel die for a 550 that I am happy to send you, send me your address details and I will get it to you.

I use a 30 Carbine powder funnel for loading 300 Savage on my 550 with the powder funnel die backed out the appropriate amount and there a good 3/8" of thread engagement, hence the 256 Win recommendation for the .250. Sorry for the for addition frustration I may of caused.

Michael
 
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shuz

Active Member
Michael,
The powder funnel for your 550 that you have offered to send; how is it different from the 543R funnel that I am trying to use?
Thanks
Ray
 
KeithB

KeithB

Resident Half Fast Machinist
A sketch with some basic dimensions would help those of us that are not familiar with the specific equipment understand what you are trying to come up with.
 
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david s

Well-Known Member
It won't fit on top of the Lyman drop tube and I don't believe a Dillon powder measure will fit the 20029 Dillon adapter. The Dillon adapter has a set screw (about 1/4 of the way up the adapter in the post #7 photo) that screws into the groove at the top of the powder die. This portion of the adapter is unthreaded, just a smooth cylinder that just fits over the powder die. The top portion of the adapter is threaded 7/8X14 which is a larger diameter than the Dillon 550's powder measures drop tube. The 550 powder measures also use a twin screw clamp to mount in the groove at the top of the powder die. The center portion of the 20029 adapter is also smooth but stepped down in diameter to a bit more than1/2 inch. The photo shows the powder measure twin screw clamp on a powder die.
 
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david s

Well-Known Member
KeithB said:
A sketch with some basic dimensions would help those of us that are not familiar with the specific equipment understand what you are trying to come up with.
Click to expand...
The Dillon rifle powder drop tubes fit around the outside of the case mouth. The pistol Dillon powder drop tubes go inside the case mouth and then flare the case at the same time powders dropped. I think he's trying to use a short pistol drop tube for the 256 Remington to flare the 250 Savages rifle case. I don't think the Dillon powder dies allow him to screw the powder die down far enough to get the shorter 256 powder drop tube to flare the 250 Savage case. A simpler solution might be to drill and tap another hole for a set screw farther down the powder die. Then just leave the original set screw in the original hole to keep powder from spilling.
 
Michael

Michael

Active Member. Uh/What
Ray,
It is a 550 powder funnel die that others have mentioned as being part of a possible work around, if you need it. Not sure if it differs from what the 450 uses or or if they happen to be the same.
 
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shuz

Active Member
Michael-- what is the letter or number stamped on the Dillon powder funnel that you reference?
The normal powder funnel for .250 Savage or .25-06 is "K". I have been using that one, it just doesn't go inside the neck or flare the neck.
That is what I am trying to do with my Dillon powder measure.
 
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shuz

Active Member
david s said:
The Dillon rifle powder drop tubes fit around the outside of the case mouth. The pistol Dillon powder drop tubes go inside the case mouth and then flare the case at the same time powders dropped. I think he's trying to use a short pistol drop tube for the 256 Remington to flare the 250 Savages rifle case. I don't think the Dillon powder dies allow him to screw the powder die down far enough to get the shorter 256 powder drop tube to flare the 250 Savage case. A simpler solution might be to drill and tap another hole for a set screw farther down the powder die. Then just leave the original set screw in the original hole to keep powder from spilling.
Click to expand...
David, you have the basic idea right, but the problem with the 543R funnel for the .256 Winchester that I am trying to use is that it is too long and nearly sticks out of the bottom of the die, and when I try to run it up in the press, I run out of threads before I achieve my purpose
 
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shuz

Active Member
Hey guys I really appreciate all the help and suggestions. I know what should work......cut 6/10" off the top of the 543R funnel, & cut a new slot for the set screw and install.
I' m trying to find an easier way.
Whatcha think of this idea....Take a 7/8 x14 threaded nipple, screw it into the 450 press, and then screw a 7/8x14 collar on top of the nipple and then thread the whole Dillon powder die into that.?
My concern is that pipe nipples and collars don't have the same type of thread pitch or taper as the 7/8x14 threads on the Dillon.
Are there any such fittings that anyone knows would work?
I think what I am referring to is the difference betwe SAE threads and ASTM pipe threads.
 
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shuz

Active Member
David, that's a good idea! However, if I cut 6/10" off the top of the 543R funnel, I believe that I will have to recreate the taper inside the funnel to insure that the powder will flow as well and not bridge.
If i have to have a machinist do that, I might as well have a groove cut for the set screw. You see, I have severe peripheral neuropathy, and I may have trouble locating the dimple!!
 
KeithB

KeithB

Resident Half Fast Machinist
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Would this combination make what you need?
 
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