Have you ever actually broken a knife in use?

I have not broken a knife.
I've had a butterfly and a switchblade come apart on me. The handles just fell off.
 
Never broke a knife blade myself or broke a knife lock. My fiancée dropped my Spyderco Military tip first on the ceramic tiles of our new appartement the day we were moving in together. Snapped a tiny chip of the tip so send it to Spyderco for a regrind. She has her own small collection of pink knives now (Spyderco and Swiss Army Knife) . I did once broke the pliers of a SOG powerlock during normal use. They replaced it under warranty.
 
SHE DROPPED YOUR KJNIFE???

Fiancée... do you still plan to marry her?
 
I have a question:
How do you guys manage to break the liner lock (especially from the well known brand ones)? As in, when you cut, the blade is pressed upward, not downward to the lock, and it would take some serious force to break them either way.

The only knife that break for me is the ratchet lock on my olfa snap off handle by over tightening.
 
I've broken a few tips over the years as well as a couple of those tiny Cold Steel serrations, but I was always doing stuff I knew I shouldn't be doing at the time. 🤷‍♂️ I've never had any sort of catastrophic failure of a knife, like a blade breaking in half, a broken lock, etc.
 
I think I've only broken one "knife"-like thing. My wife bought some temporary paper windowshades and they came with a small knife. It was like a cheap steak knife but with wharncliff blade and no serrations. I thought it was probably a cheap carbon steel so I sharpened it and put it in my garage. I was cutting a small cardboard box one time and the blade snapped. I wasn't putting any torsion or bending in it, but I must have been putting some. I was disappointed that it didn't bend a little bit. Maybe it was heat treated and then not tempered down a little bit.
For my good knives, I'm usually pretty careful when I use them so I haven't broken one of them yet.
 
I'll be 70 next month and have been a knife carrier and user since I was a Cub Scout. Used knives outdoors camping, hunting and fishing. Used them at work - occasionally hard use. I have never broken a knife or witnessed anyone else break one. I do carry quality - Case, Buck, KaBar, Schrade USA made, Benchmade and CRK. Most of my friends also carry quality so factor that in.

Has to be a rare thing eh?
I rolled the edge on my Kansbol while chopping on a plate once.
 
No ...I have only broken off the tip on a Spyderco Endura, and then chipped the edges on several fixed blades.
 
Sure. And just in hard use, not abuse. Like hard cutting wood or other hard material.
However, it was a cheap knife and it didn't surprise me. I was actually being careful since I knew the knife was low quality.
I've accumulated a few lower quality knives over the years as gifts or for a quarter at yard sales (my limit). I generally keep them places I might need a knife, never carry them.
 
Only some tips losing them on the floor or rock. I broke a 70 cm prybar once; my father got mad beacause I broke his tool, I got angry as he didn`t get impressed with my strength. Now I guess it was something wrong with the tempering 🙄
 
I’ve broken a few knives using them for things “knives aren’t for”. I’ve broken one knife using it for what it was designed for. SOG government fixed blade in 1998. I bought the knife brand new. I stabbed it into a soft patch of grass while working. When I grabbed the handle to use it, the blade had completely snapped at the ricasso. I was told it was my fault and not under warranty ( $180 down the drain - in 98 that was pretty expensive). Last sog I ever bought. I started using Cold steel carbon v, Ontario knives, then Esee, Busse, Carothers - none of them ever broke.
 
What was hidden in that dirt?

I actually checked - nothing. It was a nice yard, green grass, no gravel or rocks, a few roots. I’m going to assume it was a manufacturer defect / heat treatment issue. I will NEVER buy a SOG again. The knife was marked Seki Japan too.

The Ontario RD series came not long after- that was the ticket ( I was about 18 at the time 😂).

The SP Ontario’s were great as well. No breaking any of those.
 
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