1/2"-13 Die for Threading Question - Trapperman Forums

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Re: 1/2"-13 Die for Threading Question [Re: hippie] #7783221 01/26/23 06:53 PM 01/26/23 06:53 PM
Joined: May 2008 NW Oklahoma O Okie Farmer trapper
Okie Farmer trapper O Joined: May 2008 NW Oklahoma	Originally Posted by hippie That's a new one! Jet rod? Are they coarse like acme threads? That's a possibility it's been awhile since I have ran into any, they are courser then standard bolt threads.

Re: 1/2"-13 Die for Threading Question [Re: snowy] #7783296 01/26/23 08:38 PM 01/26/23 08:38 PM
Joined: Jan 2019 North central Iowa B Bob_Iowa trapper
Bob_Iowa trapper B Joined: Jan 2019 North central Iowa	Acme, buttress, or true square, which are very old but you still can find some threading equipment for if need be, there are quite a few different thread types that have a squarish look.

Re: 1/2"-13 Die for Threading Question [Re: snowy] #7783334 01/26/23 09:16 PM 01/26/23 09:16 PM
Joined: May 2008 NW Oklahoma O Okie Farmer trapper
Okie Farmer trapper O Joined: May 2008 NW Oklahoma	Originally Posted by snowy Originally Posted by Okie Farmer An antique hand pump could still have what we called jet rod threads, I still have a few of the couplers in my possibles somewhere. The coupler are 7/16 inch and it is a matched thread to the cylinder/plunger and thread on perfect. I now have to thread the 7/16 inch rod to make this connection from cylinder to rod extending upward to exposed rod for handle operation. A long story and not sure if most can even figure out what I'm trying to do. I have been using a pitch pump and could draw 5 gal in just less then 60 seconds. This longer cylinder will produce quantity over the very short stroke of the pitcher pump. I have the pump jack/wooden pitman arms, gear box and gas engine and I will get that going soon also. It is in a remote area without power so will install the small gas engine to well extract water. Standard course 7/16" bolt threads 7/16" die. If you was using a pitcher pump then water isn't very deep so you shouldn't have a very complicated set up. Drop the cylinder deep enough it won't freeze and put a weep hole in the pipe above the cylinder. Use a piece of pvc pipe or even a piece of black plastic pipe for a tail pipe to get you to depth.

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