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Making a 660 bodygrip? #7184273
02/16/21 01:59 AM
02/16/21 01:59 AM
Joined: Apr 2009
Posts: 12,109
South Ga - Almost Florida
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Swamp Wolf Offline OP
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South Ga - Almost Florida
What size and grade rod would be best to expand a Belisle 330 into a 660? I can drill out the ends myself and weld, but want to make sure I use a quality rod that doesn't flex or bend easily.


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Re: Making a 660 bodygrip? [Re: Swamp Wolf] #7184665
02/16/21 11:37 AM
02/16/21 11:37 AM
Joined: Nov 2017
Posts: 5,473
West Central MN
20scout Offline
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West Central MN
You can use the same size high carbon rod (7/16"?) and braze short sections of 3/8" brake lines to splice them together. Using the same size allows you the convenience of not having to modify the triggers much. I use heavy wire from electric fence for replacing the triggers but wire from yard sings works too. Done this with a few of my 330 Belisles and have had very good luck with it.

Last edited by 20scout; 02/16/21 12:04 PM.

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Re: Making a 660 bodygrip? [Re: Swamp Wolf] #7184826
02/16/21 01:14 PM
02/16/21 01:14 PM
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Wisconsin
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The Beav Offline
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Or just lay your spreader rod next to the original jaws and tac In place.


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Re: Making a 660 bodygrip? [Re: Swamp Wolf] #7185964
02/17/21 08:45 AM
02/17/21 08:45 AM
Joined: Dec 2006
Posts: 247
MI
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glf Offline
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I have used the brake line method with wire weld. I do like Beav's idea

Re: Making a 660 bodygrip? [Re: Swamp Wolf] #7186215
02/17/21 12:11 PM
02/17/21 12:11 PM
Joined: Nov 2017
Posts: 5,473
West Central MN
20scout Offline
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West Central MN
I did that with a Duke and liked how it closed up the jaws like that on a Belisles but prefer to splice them on my Belisles. I find it easier to splice them as its less of a hassle in lining things up properly before welding things together.

Last edited by 20scout; 02/17/21 12:15 PM.

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Re: Making a 660 bodygrip? [Re: Swamp Wolf] #7189348
02/19/21 02:51 PM
02/19/21 02:51 PM
Joined: May 2011
Posts: 7,939
Montana
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beartooth trapr Offline
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I'm no help, I bought mine ready to go.
I figured it up and it only costed 8.00 per trap. More
Than I could of made them, so that was fine by me.
You will like got ten of them and use on every job.


Let me sugar coat this
Re: Making a 660 bodygrip? [Re: 20scout] #7876589
06/02/23 07:48 AM
06/02/23 07:48 AM
Joined: Feb 2021
Posts: 1,745
Wisconsin
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Mad Scientist Online content
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Wisconsin
Originally Posted by 20scout
You can use the same size high carbon rod (7/16"?) and braze short sections of 3/8" brake lines to splice them together. Using the same size allows you the convenience of not having to modify the triggers much. I use heavy wire from electric fence for replacing the triggers but wire from yard sings works too. Done this with a few of my 330 Belisles and have had very good luck with it.


I think scout must have meant putting 5/16”rod into 3/8” brake line.So I’m going to modify a couple this summer any more advice?What exactly is high carbon rod?Thanks in advance guys or gals.

Re: Making a 660 bodygrip? [Re: Swamp Wolf] #7876666
06/02/23 09:18 AM
06/02/23 09:18 AM
Joined: Jan 2007
Posts: 25,432
Georgia
warrior Offline
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Metal isn't my strong suit but my understanding is that cold rolled is tougher that hot rolled.


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Re: Making a 660 bodygrip? [Re: Swamp Wolf] #7876831
06/02/23 01:55 PM
06/02/23 01:55 PM
Joined: Aug 2018
Posts: 3,842
Pennsylvania
The hammer Offline
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High carbon steel will respond to a normal heat treatment to harden and strengthen. Hot rolled and cold rolled metals most commonly come in very low carbon when heat treated it will only be case harden. The low carbon steel has to go through a much different heat treatment process to introduce more carbon during the heat treatment and is how most tool steels are made.
Cold rolled steel is a little stronger the hot rolled but really only it’s outer case is for it’s formed cold and the material is left under stress. But once you cut, grind, weld, or heat cold rolled you relieve the stress it’s under and is no stronger then hot rolled at that point.

Re: Making a 660 bodygrip? [Re: Swamp Wolf] #7876875
06/02/23 03:20 PM
06/02/23 03:20 PM
Joined: Nov 2017
Posts: 5,473
West Central MN
20scout Offline
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West Central MN
Mad Scientist is right, it's 5/16" round stock but you want to use high carbon steel or it will be soft and bend possibly preventing a clean catch. Rebar is high carbon but not ideal for this application due to the exterior surface being textured and not smooth like regular round stock.

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Last edited by 20scout; 06/02/23 03:23 PM.

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Re: Making a 660 bodygrip? [Re: Swamp Wolf] #7876921
06/02/23 04:37 PM
06/02/23 04:37 PM
Joined: Aug 2018
Posts: 3,842
Pennsylvania
The hammer Offline
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Pennsylvania
Just watch what rebar you get most rebar is made of a lot of recycled metal and junk and doesn’t contain proper amounts of carbon to be harden. Rebar is not hard steel just stock you can bend it easier than 1018 round stock. Metal behind high carbon doesn’t mean much unless it’s been through it’s proper heat cycle first 1070 or 1080 steel rods bend very easy but after proper heat treat good luck bending it.

Re: Making a 660 bodygrip? [Re: Swamp Wolf] #7876975
06/02/23 05:38 PM
06/02/23 05:38 PM
Joined: Feb 2021
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Wisconsin
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So I asked the guy at fab shop if they had high carbon 5/16 rod and I got that are you from a different planet look and he said they have cold rolled and hot rolled.So can I heat treat myself and what would I buy to start with.I see a 1018 and 4041 steel rod online and the 4041 seems to be a very hard steel.Anyone know about the the steel numbering system and which one would work for these traps.

Re: Making a 660 bodygrip? [Re: warrior] #7877242
06/03/23 03:58 AM
06/03/23 03:58 AM
Joined: Dec 2006
Posts: 20,966
St. Louis Co, Mo
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BigBob Offline
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Originally Posted by warrior
Metal isn't my strong suit but my understanding is that cold rolled is tougher that hot rolled.

Nope, you got it backwards!


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Re: Making a 660 bodygrip? [Re: Swamp Wolf] #7877466
06/03/23 01:37 PM
06/03/23 01:37 PM
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Posts: 23,797
Wisconsin
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The Beav Offline
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If I were placing BGs In wide channels I would just use 2 330s and just stagger them a bit so they weren't right next too each other.
Seems like a better option then re building some 330s into 660s


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Re: Making a 660 bodygrip? [Re: Swamp Wolf] #7878932
06/06/23 12:36 AM
06/06/23 12:36 AM
Joined: Dec 2020
Posts: 1,650
Wisconsin
Scott__aR Offline
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1035 - 1045 ... First two numbers are the alloy class, the last two numbers are the percent of carbon.


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Re: Making a 660 bodygrip? [Re: warrior] #7879047
06/06/23 08:56 AM
06/06/23 08:56 AM
Joined: Dec 2008
Posts: 1,785
Georgia
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Kirk De Offline
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Benefits of Cold Rolled Steel

Compared to hot rolled steel, cold rolled steel offers a variety of advantages, such as:

Greater strength: Cold rolled steel can exhibit strength up to 20% greater than that of hot rolled steel, which makes it more suitable for use in high-stress applications.
Better surface finishes: Parts and products made from cold rolled steel generally have a smooth and shiny surface that is free of rust and scale.
Higher precision: Unlike hot rolled steel, cold rolled steel does not shrink after the forming process. This quality allows for the creation of highly precise components that require little to no secondary processing.
Applications of Cold Rolled Steel

Cold rolled steel is often used for applications that require tighter tolerances and better surface finishes. Typical parts and products include:

Aerospace structures
Home appliances
Metal furniture
Strips, rods, bars, and sheets
Mechanical Components
Key Differences Between


https://www.grobinc.com/blog/hot-rolled-steel-vs-cold-rolled-steel/

Last edited by Kirk De; 06/06/23 09:09 AM.

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Re: Making a 660 bodygrip? [Re: Swamp Wolf] #7879064
06/06/23 09:15 AM
06/06/23 09:15 AM
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Lakes Region Indiana
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Maybe we should define “tough”. When you start bending/pressing steel, cold finish will crack and break long before hot rolled, so in that sense hot roll is “tougher”. Cold finish is more resistant to bending, so if we are talking stiffness and keeping shape without bending under stress, cold finish is “tougher”.


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Re: Making a 660 bodygrip? [Re: Swamp Wolf] #7879108
06/06/23 10:23 AM
06/06/23 10:23 AM
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Wisconsin
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Mad Scientist Online content
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I’m seeing the harder rod priced at $5-10 a foot so I’ll try the cold rolled and see what happens.

Re: Making a 660 bodygrip? [Re: Mad Scientist] #7879447
06/06/23 10:11 PM
06/06/23 10:11 PM
Joined: Nov 2017
Posts: 5,473
West Central MN
20scout Offline
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Originally Posted by Mad Scientist
I’m seeing the harder rod priced at $5-10 a foot so I’ll try the cold rolled and see what happens.

The softer rod will bend and sometimes will not give you a clean kill. Nothing worse than a very upset XXL otter in your BG! Sometimes you can salvage some harder materials off of old farm equipment, much cheaper.


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Re: Making a 660 bodygrip? [Re: Swamp Wolf] #7879837
06/07/23 02:16 PM
06/07/23 02:16 PM
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james bay frontierOnt.
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I agree with the beav.Why limit yourself to one catch at a location when you can make two or more catches on one check.

Last edited by Boco; 06/07/23 02:16 PM.

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