Reviews and Ratings for Benchmade 9400BK Osborne AUTO Folding Knife 3.4" S30V Black Plain Blade, Green Aluminum Handles

Benchmade 9400BK Osborne AUTO Folding Knife 3.4" S30V Black Plain Blade, Green Aluminum Handlesrated 4.167 stars out of 5 (6 reviews)
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Benchmade 9400BK Osborne AUTO Folding Knife 3.4 inch S30V Black Plain Blade, Green Aluminum Handles

 

Price: $350.00

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Benchmade 9400BK Osborne AUTO Folding Knife 3.4" S30V Black Plain Blade, Green Aluminum Handles
rated 5 stars out of 5
Jed
Fredericksburg
Dec 31, 2022
Pros: None
Cons: Weight

Absolute beast after accidentally buying a replica 9400

I purchased unknowingly a fake Chinese 9400bk auto from another local shop. After bringing it home I just compared it to actual images of the genuine benchmade. Luckily I was able to return the fake to the other store and get the real deal from knife center. The fake was actually well made but worth 30$. This real one is in a league of its own.
Benchmade 9400BK Osborne AUTO Folding Knife 3.4" S30V Black Plain Blade, Green Aluminum Handles
rated 5 stars out of 5
Drek
Oregon
Oct 17, 2020
Pros: Weight, Ease of Opening, Handle Material, Blade Material, Overall Quality
Cons: None

Perfection

Holding it feels like when you get that special rare weapon in a video game. Also all the other good things people say are true... I had a 940-2 before I bought this and it was absolutely wonderful. This one feels special though. It is my favorite version of the Osborne.
Benchmade 9400BK Osborne AUTO Folding Knife 3.4" S30V Black Plain Blade, Green Aluminum Handles
rated 5 stars out of 5
Az Fogey
Arizona
Jul 21, 2020
Pros: Weight, Ease of Opening, Handle Material, Pocket Clip, Blade Material, Overall Quality, Blade Sharpness
Cons: None

If you like the Benchmade 940 series of knives...

then this is the cherry on top. I've always loved this blade shape on the 940's, but while they are one of my favorite knives (I have 2 or 4 of the series), I wasn't as comfortable opening them as say, one of my many Spyderco's. Once the Benchmades are open, they're good for almost anything you have in mind. This knife opens with an almost ProTech-like zeal - a very satisfying feeling, not like it wants to jump out of your hand, but you sure know that it's snapped open. The green scales feel great - it's almost as if there were a very thin coat of rubber on the aluminum. There's a lock lever indented into the spine, and the purple, full-length back-spacer just makes the knife look spectacular. I pre-orderded this knife from Knife Center as soon as I saw it. It took several months to get, and it's everything I thought it would be. If you're thinking about it, don't hesitate, just get it. You won't be disappointed.
Benchmade 9400BK Osborne AUTO Folding Knife 3.4" S30V Black Plain Blade, Green Aluminum Handles
rated 5 stars out of 5
Bryce
Pickstown, Sd
May 05, 2022
Pros: Blade Material
Cons: None

Osbourne 9400 Auto

Everything about Benchmade knives is beautiful. This is my 10th in the collection. Was not disappointed. Beautifully made with great feel and action. Sharpness is razor sharp and I can’t say enough about it’s auto action, nicely tight with no hot spots. I will be adding more to my collection.
Benchmade 9400BK Osborne AUTO Folding Knife 3.4" S30V Black Plain Blade, Green Aluminum Handles
rated 4 stars out of 5
Michael
Houston, Tx
Apr 29, 2023
Pros: Weight, Ease of Opening, Handle Material, Blade Material, Overall Quality
Cons: Pocket Clip

My first Benchmade

•This is a lightweight medium length size EDC automatic opening folder knife which feels thin in the hand. It 's length just fills my hand. •Blade can only be opened by pressing the Push-Button. •Blade snaps open with authority. Crisp action. •I like that there is a blade locking slide switch on the spine to prevent accidental openings and closing. It serves to lock the blade when OPEN. I have not yet used this knife to cut anything. The clip is overly stiff and it not totally a Deep Carry type. Handle is nice and stiff. Very little flexing. Can see grind marks on the edge bevel. The edge was not very sharp or polished. Should have been for this price. This is my first Benchmade. I'm liking it so far.
Benchmade 9400BK Osborne AUTO Folding Knife 3.4" S30V Black Plain Blade, Green Aluminum Handles
rated 1 stars out of 5
Michael
Houston, Tx
Mar 21, 2025
Pros: Blade Material, Ease of Opening, Handle Feel, Handle Material, Lock Ease of Use, Lock Type, Overall Quality, Pocket Clip, Weight
Cons: Blade Sharpness

How to spot a Fake Benchmade 9400BK.

Imitating Benchmade knives is VERY common because the genuine brand knives are very expensive. The Chinese produce the best looking and are the most prevalent of the copies. It makes it worth their effort to copy this brand because they can sell close to the genuine knife price. There are noticeable differences between a genuine and a fake if you know what to look for. My knife DOES NOT exhibit any of the following known aspects common with a fake Benchmade knife. If you want to be a poser.......Buy a fake. If you want a REAL 9400........Buy it and be proud you bought a 'Made in USA' product. Differences on a 9400BK are: - The green handle anodizing is lighter in color and more reflective on the fake where the genuine Benchmade is darker (looks like British Racing Green), is non-reflective and has a slightly rougher surface texture. - The word ‘Benchmade’ (inside the company emblem on the left side of the blade) is inscribed, just below and parallel with, the top edge of the flat grind on the blade of the genuine Benchmade knife. The fake will have the word ‘Benchmade’ just above the grind line. - The blade centerline angles up more on the fake. When resting flat on the edges of the handle, the blade tip points up away from the table surface. The genuine Benchmade 9400 blade centerline and cutting edge are parallel to the table surface. - Handle mounting screws are different. The fakes have slightly flatter panhead screws. - The opening Push-Button is different. The fakes button head profile is slightly flatter and is shorter (not as tall) and is smaller in diameter. The button profile doesn’t rise up in height (similar to a tiered pyramid shape) like the genuine Benchmade button which is also larger in diameter than the fake. (Thumb Studs are similarly different on other Benchmade models that do have thumb studs.) - The blade grind curve stops short in front of the front bolster on the fake. It should extend back just slightly under the front bolster on a genuine Benchmade. Handle should extend over the grind curve. - The blade should have microscopic vertical grind lines in the primary flat grind on a genuine Benchmade. These are very faint but should be visible with a 10x loop. The fakes have a very smooth stonewashed finish. - The slide lock switch is slightly narrower and is longer on the genuine Benchmade. The rear gap between the slide lock switch and the handle is wider on the fake. - The genuine Benchmade black storage bag is thicker. The fake bag so thin you can see light through it when held up against a bright background light. - The collar surrounding the pivot screw is wider (larger) on the genuine Benchmade. The fake collar is smaller. - Blade hardness on the fake has been tested and known to be 43 HRC compared to 58-60 HRC of the genuine Benchmade. - The fake has a backspacer mounting screw that completely penetrates the clip-side scale using a ‘Pass-Through’ type mounting hole. The genuine Benchmade uses a ‘Blind’ mounting hole. - The backspacer is wider and is a deeper purple color (also known as Joker purple) on the genuine Benchmade versus thinner width and pinkish color spacer on the fake. - On satin finished knife blades…..The Benchmade blade emblem is darker (almost black) on genuine knives. Fakes have a washed-out (light contrasting) blade emblem that is almost gray in color.
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