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6" Diagonal Cutters? Options? High Leverage?

roofdweller49

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Jan 22, 2023
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I need a 6" diagonal cutter, and can't find anything locally (My Home Depot has like 3 Channellock facings) - Main use is cutting zip ties, and rebar tie wire. I see Channellock has the 336 and 436, but can't actually see the 436 on their website, and is there a disadvantage to the high leverage design? Are Klein/NWS/Knipex better options for the same price?
 
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Dig Doug

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I like these they are longer - high leverage!

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For tieing rebar the spring loaded lines man are great the spring is the key

IMG_8940.jpeg
 

larry_g

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Notice that in post #2 the cutters have a material spec. Some cutters are only for copper wire and some are rated for steel and harder materials. Make sure that you get some that are for hard wire. I also think that you want a different pair for the tywraps. Those work better with a sharp cutter vs a cutter made for pinching wire.

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4xdog

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roofdweller49

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Thanks for the suggestions. I'm not trying rebar, I'm usually cutting the seismograph cables for my equipment off the rebar/fence posts that contractors have tied them on to. I was aiming for the smaller sizes because of the smaller (?) head.
 
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roofdweller49

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Union Ironworkers use these pliers for tying rebar.
I got a profanity intensive lesson on how to use those pliers from a union dockbuilder while installing instrumentation for a foundation pile. I still don't fully understand how to use the bevel edges to pry and tighten at the same time
 
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bwringer

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You need two pairs of cutters.

For cutting zip ties, you need a small pair of flush cutters. That way you won't leave a sharp edge to slice up the next pair of hands to come along. (Or if you WANT to draw blood, then never mind...)

I have these guys scattered throughout my usual haunts, but there are many other good brands. You can't cut steel wire with flush cuts, though.


For cutting the wire, I'd lean toward Knipex; they really do have harder edges than the rest. If you have Menards nearby, they're on the shelf.
 

lardy1

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I'll second the flush cutter suggestion. No brand in particular because there are dozens and everyone has a favorite. But the point about leaving sharp plastic stubs for the next guy (or yourself) is poor workmanship . imo. Wire ties are used in a multitude of trades so most of us eventually will encounter a sharp one somewhere along the way. Nothing quite like a fresh cut on your hand. Dripping blood on finished surfaces, etc.

You don't need exceptional blade durability as much as you need a nice, flush cut.
 
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roofdweller49

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I spent the $12 at home Depot for the Klein flush cutters. The fine tip is great at getting into bundles and cutting the zip ties off.

Now to figure out what diagonal cutters to get. Does the "high leverage" type pivot means the jaws don't open as wide?
 

T45

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+1 to all the guys saying flush cuts for zip ties. the idea you need "high leverage" to cut plastic is simply not true.

from there, figure out what you need for the steel. I really like knipex hard cutting jaws, they make a wide variety. you can get anything from bolt cutters (compact bolt cutters, ie co-bolts). The higher leverage cutters have narrower opening, so you need to size the jaws correctly.

The co-bolts now have a 160 size and the high leverage diagonals also come in 160. But you also need to think about the number of repetitions, the size or your hands, and basic ergonomics. 160 is good for packing into portable kits, for shop use a 180 is typically more comfortable.

Also, if you are doing lots of cuts (eg zip ties) spring loaded is way better.

1695993584073.png

For shop use, these are arguably more comfortable...but slightly larger size (7" vs 6").
1695993633457.png
 
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roofdweller49

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Jan 22, 2023
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+1 to all the guys saying flush cuts for zip ties. the idea you need "high leverage" to cut plastic is simply not true.

from there, figure out what you need for the steel. I really like knipex hard cutting jaws, they make a wide variety. you can get anything from bolt cutters (compact bolt cutters, ie co-bolts). The higher leverage cutters have narrower opening, so you need to size the jaws correctly.

The co-bolts now have a 160 size and the high leverage diagonals also come in 160. But you also need to think about the number of repetitions, the size or your hands, and basic ergonomics. 160 is good for packing into portable kits, for shop use a 180 is typically more comfortable.

Also, if you are doing lots of cuts (eg zip ties) spring loaded is way better.

1695993584073.png

For shop use, these are arguably more comfortable...but slightly larger size (7" vs 6").
1695993633457.png
I'll look into the knipex. Not that much more than the channellock/Klein I was looking at. I think 160 would be fine for squeezing into spots.
 

bpwoodworking

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Jul 6, 2023
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Personally I really like the knipex 8” high leverage bolt cutters for cutting steel. They are not great for tight spaces though.

Recently tried out some Keiba flush cutters and they are great.
 
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