Recommend a fixed blade for cutting cardboard

Another Shepherd said:
Does the cardboard have staples or other nasty hard things in it? If so, toughness might be more important than edge retention, especially if you do not mind stropping frequently.
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Yeah that's not a bad point. I used S110v on cardboard an managed to chip it. It could have been staples or who knows what they mix in cardboard I guess.
 
Mora Craftline TopQ Chisle or Installer.

My personal cardboard cutter is an older, discontinued Mora Craftsman 780.


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David Mary said:
ephsea ephsea I'm not sure why that's funny to you. I have had knives with skinny handles that make it a bit more cumbersom to cut cardboard without the knife wanting to turn. Neckers in particular.
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I thought you were making a quip, as most of us hold a knife by the handle and the OP said the "blade must not be tall enough not to turn in hand". I apologize if I found humor where none was intended.
 
For carbon steel: 1084, 15N20, 8670

For stainless: AEB-L, 14C28N

For rustproof: MagnaCut, LC200N

For all of the above, hard and thin. They can take it. My two EDC fixed blades are LC200N (which only comes in one hardness due to the heat treatment and composition, ~60 RC, but it is hard enough and extremely tough). They are both from .084" stock. They are laser-like.
 
ephsea said:
I thought you were making a quip, as most of us hold a knife by the handle and the OP said the "blade must not be tall enough not to turn in hand". I apologize if I found humor where none was intended.
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Ah I see. It would be characteristic of me to do so, so no worries friend! :)
 
I like a little La Griffe style knife to control the depth of cut if the contents could be damaged. To break down empty cartons for recycling I use a CPK FK2.
 
herisson said:
My best cardboard cutter (and I have to cut a lot of it...) is the biggest Ontario Old Hickory butcher knife (it's the 14" model). This big boy does short work of the toil.
Not my picture, soorry :
https://imgur.com/obR2rc0
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You are 100% right
I use same kind of knife (not Old Hickory actually)
but old 40-50 years Gerlach butcher knife
It is always handy on butcher block in the kitchen, close to box cutting table :^)

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Sorry, OP. No suggestions here.

For cardboard, I'd just recommend that you continue to use a box cutter. Replacement blades are cheap and plentiful.

Why anyone would want to dull and possibly mess up a perfectly good fixed blade to do such a menial chore is beyond me. :confused:
 
matto6 said:
I'm with you on the Wharnies, but the blade thickness of an XM18 seems counterproductive
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Well it works for me … spine thickness is not too relevant, IMO.

In any case, I‘m sure David can make you a thinner one - all you need is ask :)
 
BTW, OP, if you want thin, even hollow ground, might think about the Spyderco Ronin.
 
Sometimes I cut lot's of boxes in my accounts... If I got only few, I use whatever working knife I usually carry with me. If I have to cut volume, I found that just normal utility knife works much better than anything else, due to the very thin and sharp blade, plus you can change it in the moment it start having trouble cutting. I came across lately of some replaceable blades with sort of round serrations, those are working even better than the straight razor edge.
 
I have had good experiences with the Ontario Bushcraft knife. It's very thin, with a longer blade. Also very easy to sharpen. Supposedly in carbon steel, but I am suspect it's actually 420hc.

When I first tried it on cardboard I actually laughed out loud, as it proved how good geometry is so effective.
 
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