Hatsan barrel thread and pitch size



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Offline DLP

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Hatsan barrel thread and pitch size
« on: February 11, 2019, 09:45:13 PM »
Looking at having a LDC made for my Hatsan Hercules Bully .45. Looking for the barrel threaded end size and pitch. It has the QE shroud. But I donít want the shroud thread size. I have removed the shroud and need the size for the end of the barrel (crown). A 5/8Ē fine thread starts for the first couple turns. But itís too tight. Looks like it might be a 16mm. But I have nothing to measure metric threads. It is larger than the threaded barrel on my .22 Flashpup which uses a 14mm nut. Thank you. Darrell
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Offline rsterne

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Re: Hatsan barrel thread and pitch size
« Reply #1 on: February 11, 2019, 10:12:00 PM »
Sounds like 16 mm x 1.5 mm.... That works out to 17 TPI, and a 5/8" NF thread is 18 TPI.... so yes, may thread on a turn or two, depending on the exact thread dimensions cut into the barrel.... If there are an inch of threads, count the number of peaks, and if it is 17 (actually 16.93) you can bet on it being 16x1.5.... If you have calipers, measure valley to valley for 10 threads, and it should be 0.590" for 16x1.5....

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Offline Rob M

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Re: Hatsan barrel thread and pitch size
« Reply #2 on: February 11, 2019, 10:21:35 PM »
a quick way to solve it is simply to mail the barrel to the ldc maker in the usps tubes sold at the post office.. be about 9 bux including shipping and no risk of error.
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Offline DLP

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Re: Hatsan barrel thread and pitch size
« Reply #3 on: February 11, 2019, 11:52:56 PM »
Thank you rsterne. I am taking it to Fastenall, they have a device to measure it exactualy. I will let you know how your guess was!

Rob M. It is the LDC builder who is asking me the size. He has not done one for the Bully.
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Offline Rob M

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Re: Hatsan barrel thread and pitch size
« Reply #4 on: February 12, 2019, 12:08:33 AM »
Thank you rsterne. I am taking it to Fastenall, they have a device to measure it exactualy. I will let you know how your guess was!

Rob M. It is the LDC builder who is asking me the size. He has not done one for the Bully.

the ldc  maker is a machinist im sure and he can identify the thread almost instantly.. saving all the hassle and guessing. So if you mailed the barrel to him there would be no confusion since he could measure the barrel for you
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Offline DLP

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Re: Hatsan barrel thread and pitch size
« Reply #5 on: February 12, 2019, 10:07:20 PM »
Had the threads measured today. They came up with the same thing I did using my pitch gauges. The Hatsan Bully .45 is a 16mm by 1.25 pitch.

Mailing the barrel across the country and back seems like asking for trouble.
  • USA-MI-Morrice
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.25 Mrod
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Few other springers
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Offline Rob M

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Re: Hatsan barrel thread and pitch size
« Reply #6 on: February 12, 2019, 10:47:10 PM »
Had the threads measured today. They came up with the same thing I did using my pitch gauges. The Hatsan Bully .45 is a 16mm by 1.25 pitch.

Mailing the barrel across the country and back seems like asking for trouble.

ok glad it worked out..!
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Offline DLP

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Re: Hatsan barrel thread and pitch size
« Reply #7 on: February 12, 2019, 11:43:10 PM »
Rob M
 I didnít mean to come off wrong. I do appreciate your post. The builder doesnít want to be responsible for keeping track of customers parts. Which I can understand. I was going to send him the threaded collar. Small inexpensive to ship and would be perfect for matching threads. But also very easy to be misplaced. Darrell
  • USA-MI-Morrice
.40 Badger
.45 Bully
.25 Mrod
.22 Disco
.22 pp700w
.22 Prod
.20 Beeman R-10
.20 1975 Dan
Few other springers
ShoeBox F10
ShoeBox MAXX
60, 30 min tanks

Offline Rob M

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Re: Hatsan barrel thread and pitch size
« Reply #8 on: February 13, 2019, 02:00:19 PM »
Rob M
 I didnít mean to come off wrong. I do appreciate your post. The builder doesnít want to be responsible for keeping track of customers parts. Which I can understand. I was going to send him the threaded collar. Small inexpensive to ship and would be perfect for matching threads. But also very easy to be misplaced. Darrell
i understand // no issue.. sometimes people give up on projects when they simply cant find the thread pitch and have no resources nearby..so this is often a solution.. as a guy than does machine work from time to time  i agree with him, handling other peoples goods is not fun.
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Offline Just joe

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Re: Hatsan barrel thread and pitch size
« Reply #9 on: March 09, 2019, 04:31:50 PM »
I've often thought, why doesn't some body make a thread adapter for the Hatsan's.  Where you cut the last part of the shroud off. Using only the barrel portion up to the nut.  If the replacement nut had the Hatsan threads to m20x1m you could use any LDC on the market using m20. Making the Hatsan very quit.
Ive seen that Donnyfl has the adapter for the end of the LDC.  But oh my how long it gets with it on there.
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Offline Jeff aka Privateer

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Re: Hatsan barrel thread and pitch size
« Reply #10 on: March 09, 2019, 06:23:30 PM »
Seeing as the part that covers the barrel IS part of the QE system why keep that if you cut off the front section with the baffles?
I'd tension the barrel behind the new LDC and sell the whole QE system to someone that wanted it.
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Offline DLP

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Re: Hatsan barrel thread and pitch size
« Reply #11 on: March 09, 2019, 08:01:55 PM »
I got the LDC from Neil yesterday. It threads on the end of the .45 barrel nicely. It is very well made. Havenít had a chance to test it out. Yes, a 16mm x 1.25 to 1/2 x 20 adaptor would do it. I donít plan on cutting my shroud up. I will put it back on durning hunting. But it will be nice not to have to wear plugs while target shooting.
  • USA-MI-Morrice
.40 Badger
.45 Bully
.25 Mrod
.22 Disco
.22 pp700w
.22 Prod
.20 Beeman R-10
.20 1975 Dan
Few other springers
ShoeBox F10
ShoeBox MAXX
60, 30 min tanks

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