Razorsharp-Travis
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To the person who said you have to saw serrated blade through cardboard, try a sharp one 
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The BladeForums.com 2024 Traditional Knife is ready to order! See this thread for details: https://www.bladeforums.com/threads/bladeforums-2024-traditional-knife.2003187/
Price is $300 ea (shipped within CONUS). Now open to the forums as a whole. If you live outside the US, I will contact you after your order for extra shipping charges. If there are customs issues? On you.
Your Best Cardboard Cutting Knife
- Thread starter Bladenoobie1
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Bigfattyt
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Opinel with a convex polished edge.
Thin, available in carbon steel or stainless. CHEAP! About the price of a utility knife.
Even after the initial sharpness fades, the blade is so thin, it keeps on cutting.
Light, locks when you need it to.
As an added bonus, I don't think I have ever used anything that cut wood as well either. Really great knife for making shaving piles, and fuzz sticks etc.
Thin, available in carbon steel or stainless. CHEAP! About the price of a utility knife.
Even after the initial sharpness fades, the blade is so thin, it keeps on cutting.
Light, locks when you need it to.
As an added bonus, I don't think I have ever used anything that cut wood as well either. Really great knife for making shaving piles, and fuzz sticks etc.
To the person who said you have to saw serrated blade through cardboard, try a sharp one
There is no doubt that a sharp edge will cut through cardboard. But there is also no doubt that there is very little that will dull an edge as fast as when used for cutting cardboard. (That's why box cutters with disposable blades were invented.) Neither of these are disputable.
"Olfa." the company famous for making a huge assortment of cutting tools designed for specific jobs, produces a 'cardboard kinfe' that is simply a finely serrated blade with a handle. You can use it all day for months and never see any degradation in its cutting ability. I don't know of any steel that will do that. And it's so cheap that after 3-4 months of hard use, you can throw it away and buy a new one and keep on cutting. If all you do all day is cut up cardboard, you will need to re-sharpen a knife fairly often. And if you re-sharpen often, you will need to re-profile fairly often too. Between you and me, I prefer to keep my knives around longer, and use a disposable (or a Ginsu, which is about the same) when cutting up cardboard.
Stitchawl
One of the two reasons I use box cutters for cutting cardboard.
Interesting comments about the different grinds. I guess it makes sense that a hollow grind would bind when slicing through cardboard. I guess hollow grinds are great slicers as long as you don't cut deeper than the width of the blade.
The Kershaw Shallot with a CPM S-110-V blade makes an excellent cardboard cutter. The 3.5 % Niobium puts this thing over the top. 9% Vanadium doesn't hurt. This knife has hard Carbides up the ying yang. No need for dispoable bimetal blades.
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I would say half decent option would be a CRKT Edgie. It sharpens itself, and does its own toothy edge, perfect for cardboard. My favorite cardboard cutter, though, would be my Kershaw Leek. Edge doesn't last super long, but sharpens easily. The composite blade or S30V blade should work a lot better with a toothy edge.
Oh, let's also add what we have used that was the worst at cardboard. Yes, I am glaring at you, ZT 0550.
Oh, let's also add what we have used that was the worst at cardboard. Yes, I am glaring at you, ZT 0550.
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David Martin
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I get very good cardboard cutting abilities from a Buck model 500 with S30V blade sharpened to 325grit on diamond or the 220 grit x-coarse. Sure edge profile matters but I'm not going to carry a box cutter. A well executed knife has much more eye appeal, with form and function for more tasks. DM
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My exclusive cardboard cutting knife is a well loved Benchmade nimravus that I acquired well loved. It's been reground to a zero grind and turned into a wharnie.
Definitely has seen better days but it is unmatched in how well it cuts; even when compared to the OLFA type blades. I think that's due to how much more comfortable the handle is...
I'll add pics later of it's current (rough) condition.
Definitely has seen better days but it is unmatched in how well it cuts; even when compared to the OLFA type blades. I think that's due to how much more comfortable the handle is...
I'll add pics later of it's current (rough) condition.
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No shipping department here, just day to day use as needed.
For me personally, it's not the number of boxes so much as the size of the boxes I have to handle (that could mean something else entirely lol...).
We just got a glider swing and the box from it was freakin huge as well as very heavy duty so I knew breaking it down would be a chore. As I was trying to cut it my regular utility knife would stall often so I switched to my BM nimravus.
It sailed through the cardboard without a problem and the M2 steel does stays sharper a little bit longer than the snap off bladed knives do...
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It sailed through the cardboard without a problem and the M2 steel does stays sharper a little bit longer than the snap off bladed knives do...
I often 'steel' my snap-off blades if I'm using them for any length of time. They last a LOT longer that way, and it takes no time at all to do so.
Stitchawl
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Good point stitch; I have tried that before and it does help especially with the OLFA black carbon blades lasting the longest.
Here's the pics of my beat up (well loved
) nimravus in M2 steel with the full convex zero grind:
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