Long term review of the BM940

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This is a follow up to my post, “Put in your two cents.” It is my first of a few long term reviews which I will post. I’m sorry that it took me so long to get around to writing this, but I’ve been busier than planned. I don’t know what kind of an ETA to give for the rest of my planned reviews.

Long term review of the Benchmade 940 –

My original desire for the BM940 came about quite oddly. When I first saw pictures of it, I thought it was decent looking, but nothing spectacular. It didn’t stand out to me as anything particularly beautiful or even that functional looking. If I knew then what I know now, I would have been running to buy one.

It wasn’t until I actually handled the 940 that it started to become more appealing to me. Not only was it different than anything I had, but it just felt so damn good. The action was smoother than anything I had felt and I had to have it. So I finally plunked down the cash…

That was more than a year and half ago, and the 940 still holds a high place in my EDC rotation. It offers me many things that I just haven’t found in my other knives and while it has its issues, it’s a great knife for the price.

As I mentioned, the action is smooth as silk. I think that part of this is due to the fact that I chose the model with BT2 coating and the inherent lubricity that it presents. The smooth action, coupled with the aluminum handles and coated clip make this knife extremely quick into action. The clip and handle produce very little drag when drawing from the pocket and the blade can be flipped out with even a soft flick of the wrist.

Now I know what some of you are thinking, “Oh great, ToTC is blabbing on about quickdraws. What’s next, tactical sentry removal?” No, no, no. You’ve got this review all wrong. My point is that the 940 can perform mundane tasks in the blink of an eye due to its speed of presentation. Putting something together in the garage? Just slide out the 940, flick out the blade, cut the zip-tie on the part you need, pull back the lock, flick the blade back in, and put back the 940. This can all be done with the utmost of speed and convenience and requires less of your attention than another folder might. After all, since your fingers can be clear of the blade during unlocking, you can keep your attention on the task at hand. You can keep your eyes on your job the whole time.

Not only is the 940 smooth into action and operation, it’s well balanced and flows well in the hand. It doesn’t offer any finger grooves or other exaggerated ergonomics, but there is a sophisticated simplicity to it: It works in your hand the way a nice ink pen does.

To me, the 940 represents the utmost balance between a ‘tactical’ folder and a gentleman’s knife. It is appealing to the eye, sheeple friendly, has classy lines, and yet could easily serve you in stressful times of need. The only thing this folder isn’t good for is the bitter cold. Its thin, aluminum handle is no fun to use when it is cold and you have limited dexterity. Gloved use just isn’t even an option.

With all that I like about the 940, I think the blade steel could use work. This 154CM has been heat treated to a very soft level. I believe this came up in discussion a while ago and it was said that Benchmade wanted to capitalize on the name of 154CM while offering the sharpenability of 440C. It’s too bad because I’ve found the edge on my 940 to roll fairly easily.

You can’t sharpen the 940 at 30 degrees on the Sharpmaker due to the thumbstuds, so I’ve always sharpened it at 40. Even at 40 degrees, however, it doesn’t take a lot to roll the edge compared to my other folders. Also, the 940 doesn’t have a lot of bite to its edge. I’ve found that if I go all the way to the white stones, the 940 barely has any ability to slice. It is a mean pushcutter though.

The best edge I’ve found for the 940 is the utility edge from finishing on the flats of the gray stones at 40 degrees. This increases cutting performance without sacrificing too much pushcutting ability. After all, the flat grind coupled with the BT2 coating really makes the 940 glide through pushcuts.

The point on mine is rounded from use which wasn’t hard considering its soft nature. Once gone, the tip has been hard to restore. The ‘reverse tanto’ design requires the removal of a lot of steel to reshape the point.

Overall, the 940 is a great package for anything but heavy-duty use. Its only downfall is its soft heat treat. The tip could be considered a strength or a weakness, depending on how you look at it. It’s not a splinter-picker, but it’s fairly robust for its size.
 
I've also had problems keeping an edge on my 940. Just like yours, mine rolls very easily, no matter what kind of edge I put on it, and I can't get it to cut as well as I think it should. Have other people noticed this as well? Does anyone know what RC BM heat treats their 154CM to? I know my ATS-34 BM's perform much better.

Nice review, thanks.
 
Good review, ToTC.

I've sharpened my 940 (blue KOTM, if that makes a difference) to about 17-18 degrees per side. The key is to remove the thumbstuds before sharpening, and that of course is dead simple with a Torx bit.

I haven't experienced any problems with edge rolling or chipping on mine. However, my typical knife duties are limited to soft materials for the most part, e.g., paper, plastic, cardboard, and occasionally whittling. I've actually been very impressed with how well the knife retains an edge. In fact, the only reason I touch the edge up on a strop or the Sharpmaker is to restore that hair-popping edge I favor so much :rolleyes:

Do you have a reference for the discussion you alluded to in your post? I'd be very interested in reading it...

Matthew
 
hmmm...i agree with starfish...my 940 seems to hold an edge very well (in fact much better than my old ats-34 BM brend design). however, i also use my EDC on relatively soft materials (paper, tape, cardboard, meat, vegetables, etc). i am curious, on what materials were you guys were getting edge rolling?

i too have rounded the tip of my 940 while sharpening, but when i tried to reprofile, the steel was so hard that only a diamond stone would make a dent (a brand new nicholson file skipped right off), and even that worked so slowly that i soon gave up. my knife is fairly new, so maybe BM got there act together and has started treating to a higher RC (that or myabe i just don't stress my knife enough to see the weaknesses)?

finally, i have the 942 (black handles) without the BT2 coating, and my action is also super slick...i think the smoothness has more to do with the axis lock than the blade coat...anybody else have a similair experience?

nice review ToTC,
e.
 
Nice Review!!!!

I also wasn't blown away by Benchmade's 154CM, so I picked up a 710 in M2 steel. The M2 is much better, IMHO. The 710's handle isn't overly ergonomic, but the blade shape is extraordinary.

My bet is that the 940's smoothness is best attributed to minor design changes in the Axis lock system. My 730 was also buttery smooth, but my 710 is not. It seems like the newer Axis models are much smother than the first ones.

With a little luck, Benchmade will start converting their 154CM knives over to D2.
 
Thanks, all, for the compliments on my review.

Jason,
Sorry that yours behaves the same was as mine but at least we know it's not an isolated incident.

Originally posted by Starfish
The key is to remove the thumbstuds before sharpening, and that of course is dead simple with a Torx bit.

True, but taking off the thumbstuds every time to sharpen is more of a pain than I care to endure. And since my edge already rolls at 40, there's no way I'm taking it down to 30.

I haven't experienced any problems with edge rolling or chipping on mine.

Just to clarify, mine doesn't chip, only roll. Chipping means the blade is too brittle for intended use while rolling means it's too soft. Chipping and rolling are on opposite sides of the spectrum.

However, my typical knife duties are limited to soft materials for the most part, e.g., paper, plastic, cardboard, and occasionally whittling.

Cardboard, and many hard plastics used in packaging, can really do a number on an edge.

Do you have a reference for the discussion you alluded to in your post? I'd be very interested in reading it...

You know, I've been searching for the link to it for a long time now. I've wanted to bring it up in some other threads but I can't find it. I don't remember who started it or who was involved in it. Nor can I think of the perfect key words to find it. I'll continue to look, however.

Originally posted by gearGOON
hmmm...i agree with starfish...my 940 seems to hold an edge very well (in fact much better than my old ats-34 BM brend design). however, i also use my EDC on relatively soft materials (paper, tape, cardboard, meat, vegetables, etc). i am curious, on what materials were you guys were getting edge rolling?

The worst that I can remember, I cut off a piece of butter for a bagel. I have a glass butter tray which rolled the edge after I cut down through the butter. When I wiped off the blade with a paper towel, the edge sliced into my finger. It had actually rolled completely sideways where it had touched the glass and cut my finger as I slid it along the side of the edge.
Now I understand that glass is very hard but I was using very little pressure for the push cut. After all, it was only a stick of butter. A couple passes on a steel straightened the edge again but that should give an idea of how easy mine rolls.

when i tried to reprofile, the steel was so hard that only a diamond stone would make a dent (a brand new nicholson file skipped right off), and even that worked so slowly that i soon gave up.

Wow! See that's the opposite of mine! I can completely reprofile the edge in no time using only the gray stones on the sharpmaker. If I go to my diamonds stones on the sharpmaker... shiiiiiiiiit I could reprofile the whole thing in a minute or two.

my knife is fairly new, so maybe BM got there act together and has started treating to a higher RC

I think you might have a good point there. When did you buy yours, gearGOON and Starfish? Mine was purchased very shortly after the 940 was released. What about you, Jason?

finally, i have the 942 (black handles) without the BT2 coating, and my action is also super slick...i think the smoothness has more to do with the axis lock than the blade coat...anybody else have a similair experience?

Oh, yes, most of the smoothness is certainly due to the axis lock. But I've handled the coated version side-by-side with the non-coated and the coated is smoother. The T in BT2 stands for Teflon which gives the whole blade a nice, added lubricity.
 
wow ToTC...the butter dish story is a trip...i would definitely be crabby if i rolled my edge that severely with such light pressure! i purchased mine a couple of months ago. i sharpened it the day i got it (with an edgepro...had a problem with the thumbstud like you guys) and have done nothing but maintain the edge with a steel since...i just pulled it out of my pocket and shaved my arm with it.

it sounds to me like the newer blades might be harder (that or there is an unfortunate lack of QC from blade to blade)...i realize that my file / diamond stone experience isn't a very scientific way to judge RC, but i sure got the impression that my blade was pretty hard...if anything i would have judged it a bit too hard, just because the tip is so difficult to work on.

this is the only Axis lock i have, so i can't really compare the smoothness of mine to any other...that being siad, i wouldn't be suprised if BM has improved them with time.

ToTC...i had almost the same exact experience when purchasing my 940...when i first saw it i thought "yuck", but after i held one, it was so comfortable i started to thaw a bit. then i tried one in my pocket, and it just disappeared because it was so thin. at that point i bought one and i like the axis lock more and more (i completely agree with your evaluation of the 940's speed in everyday use). even tho the blade shape still doesn't blow me away, i have to admit that it is totally functional for my needs, and the overall package has become my favorite EDC.

e.
 
Originally posted by ThinkOfTheChildren
True, but taking off the thumbstuds every time to sharpen is more of a pain than I care to endure. And since my edge already rolls at 40, there's no way I'm taking it down to 30.

That is unfortunate that you cannot thin the edge out. When I received mine (used), it was not exceedingly sharp. Touching it up on the Sharpmaker improved it some, but not as good as I thought it could be. After all, it is a nice thin blade, so it should be capable of better performance. When I took it to the EdgePro to reprofile, I discovered that the edge was on the shy side of 25 degrees per side! :eek:

The worst that I can remember, I cut off a piece of butter for a bagel. I have a glass butter tray which rolled the edge after I cut down through the butter. When I wiped off the blade with a paper towel, the edge sliced into my finger. It had actually rolled completely sideways where it had touched the glass and cut my finger as I slid it along the side of the edge.
Now I understand that glass is very hard but I was using very little pressure for the push cut. After all, it was only a stick of butter. A couple passes on a steel straightened the edge again but that should give an idea of how easy mine rolls.

I'll have to take your word for it; I simply haven't got enough experience to say whether or not hitting glass should roll the edge. My only experience with steel on glass was when I prepped an onion with a Spyderco large Calypso on a glass cutting board :D

Is it possible at all that the edge was already weak, i.e. a wire edge or something similar?

I think you might have a good point there. When did you buy yours, gearGOON and Starfish? Mine was purchased very shortly after the 940 was released. What about you, Jason?


Mine was purchased used from another member here, but it was an October 2000 KOTM - I'm assuming that means it was manufactured in October 2000 ;) :D

By the way, I totally agree with you on the speed of presentation - that is one of my favorite features of this knife. So quiet, and very smooooooth!

Matthew
 
Originally posted by Buzzbait
I also wasn't blown away by Benchmade's 154CM, so I picked up a 710 in M2 steel. The M2 is much better, IMHO. The 710's handle isn't overly ergonomic, but the blade shape is extraordinary.

I haven't had any problems with the one instance of Benchmade's 154CM, but I am looking forward to concluding a trade for an 804HS - I really want to see what this uber-steel is capable of :)

With a little luck, Benchmade will start converting their 154CM knives over to D2.

(Can I get an AMEN?)
Amen!

Matthew
 
my 940 hasnt seen much heavy duty use, but it doesnt appear to roll at all. and the angle i have it sharpened at is fairly low...............you might wanna ask benchmade, could be a bad batch of steel.

Daniel
 
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