Adamas® Family

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About the product
The Adamas folding knives come in both manual and automatic and have proven to be the strongest AXIS® knives ever made. A thick blade, liners and G10 handle scales afford the knife much of it's strength. In addition, a portion of the proceeds from these knives are donated to Three Rangers and to the Navy SEAL Foundation; both organizations benefiting the members and families of special operations. MOLLE® compatible.

Designer: Shane Sibert
Action: Manual-opening
Blade Steel: D2 (60-62 HRC)
Blade Length: 3.82" (9.70cm)
Blade Thickness: 0.160" (4.06mm)
Open Length: 8.70" (22.10cm)
Closed Length: 4.88" (12.40cm)
Handle Thickness: 0.73" (18.54mm)
Sheath Weight: 1.50oz. (42.52g)

Manual-opening
Weight: 7.68oz. (217.72g)
Mechanism: AXIS®

Automatic-opening
Weight: 7.54oz. (213.76g)
Mechanism: Auto AXIS®
Features

Additional Information

Blade Finish/Color Coated
Blade Style/Shape Drop-point
Clip Type Deep-Carry, Malice Clip (MOLLE Compatible)
Clip Position Reversible Tip-Up
Glass Breaker No
Lanyard Hole Yes
MOLLE Compatible Yes
Sheath Type Cordura
Use Tactical

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A review from: Frick
Price
Value
Quality
This knife started my obsession with benchmade. . I've beat the crap out of this knife and it's still solid.. I plan to send it in to get a new blade as i scratched it up pretty good. I cut a fiber drum in half thru the metal ring and all just to see what it can do.. also cut thru 1/4" allumiminum plates with ease. . D2 is an awsome steel..
A review from: Rick
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Weight and shape feel good in your hands, opening mechanism is smooth as butter. Blade holds an edge like nothing else and I have not met something that it does not cut through with ease yet. This was my first Benchmade, it will never get anything less than a 10/10 and I will always recommend it.
A review from: Jeff
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This is my second Benchmade but by far the nicest folder I've ever owned. I got the plain edge manual lock. This thing is just a beast! lockup is solid, function is smooth as glass and it holds very comfortably in the hand. I bought this knife to serve and EDC function, and despite it weighing in at half a pound it carries comfortably. I also carry a Glock 30, so maybe I'm just not bothered by a little extra size and weight. Either way any clothing with a belt holds the knife comfortably. I especially like the amount and placement of the gimping on the handle. No matter what position you hold it in, you will have a solid grasp on it. My only thing I doubt is the ability of the G10 scales to hold up to impact. I've had G10 scales crack off when dropped on concrete. But bottom line, I would be very confident using this knife for anything from self defense to breaking out car window to cutting anything short of the side of a vehicle open.
A review from: shaun
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This knife is a high quality tool. You can tell this is built by people who love their job. Knife is very sharp and heavy duty. The auto opening is fast and very powerful it's gonna open when you need it most. I have had a Gerber auto open that I have trusted my life to and carried every day in and out of uniform. My Gerber now feels like a cheap toy compared to the Benchmade. Has great grip so no worries about slipping out of my hands.one happy paratrooper here keep up the great work.
A review from: Bdog
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I just bought this knife but I can already tell it is the best folder I own! I have two Benchmades but the ADAMAS is fantastic. The operation and lock are superior. It fits in my pocket nicely and I can deploy the blade in a second for an everyday personal carry knife. You can tell how well it's designed by the pocket clip to the opening pin. The lock release is so smooth,and overall it has some weight and feels great in my hand. It slices paracord or anything else like butter. If I could only have one folder in a survival scenario this would be it. Can wait to use this knife in the winter on my snowmobile and camping adventures in the backcountry here in the Sierra's! I feel like this is a survival tool I'll have with me for many years to come. A plus for overall blade, sharpness, and handle design!
A review from: Ken
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I've been using Benchmade knives since I was in the military 20 years ago. This is my 4th knife from your company. While I like all of the knives I've purchased (Griptilian, SOCP Dagger, salt water dive, etc) this is without a doubt my favorite. It's big and heavy and somewhat clumsy in appearance however when I hold it, it fits perfectly and comfortably in my hand. The extra weight helps to cut without effort, and the mechanism is so sturdy that when the knife is open it feels like a fixed blade. Great job Benchmade, I will be buying the Adamas fixed blade simply because I'm so impressed with this folder.
A review from: Greg
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This knife has been with me everyday for the past 5 years. There hasn't been anything it hasn't been able to handle and I have sharpened it once. Yes its big and its heavy but so what. You want some heft when you have a larger blade to work with. The lock-up is rock solid and theres zero play in the knife. Ive dropped it on concrete and it barely has a scratch. My Adamas is going back to bench made for a resharpen within the next month. I figure 5 years is long enough without needing sharpened. Ill miss it badly while its gone.
A review from: James
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I bought the Adamas for a daily carry and normal use. I absolutely love it. While it does have some weight to it (i happen to like it) and its a bigger knife (also a plus) it sits in pocket very nicely. I loved it so much i bought one for a friend as well. I would absolutely recommend to anyone who wants a beefy knife. The Adamas is not for everyone.
A review from: Zach
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I'm really impressed with this knife. I carried an older automatic 2551 for years and loved it. By the time I was ready for an upgrade,and after much research and watching videos stress testing and reviewing, I chose the automatic Adamas, and absolutely love it, more than the previous one I carried. It seemed a little on the hefty side when I first got it but before the end of the first day it felt perfect in my pocket, fits well in my hand and the action of the blade opening actually has some force and authority to it.
The blade came very sharp and with a little work was easily made much sharper..
I'm very pleased with this purchase and would highly recommend it for anyone looking for a sturdy and strong edc knife.

My only gripe is blade finish, I would have preferred the option of a satin finish but the black finish still looks good
A review from: Richard
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I bought my Adamas for a deployment I went on in 2013 to Afghanistan. I used it just about everyday for something. It has been a great knife since and I would definitely buy it again. Its size would be my only complaint but I got use to it very quickly. It is a little bit of a hoss.
A review from: Justin
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I bought this knife looking for a hard use knife to have and one i could carry everyday if I wanted. I found that found that in this knife for sure. Heavy duty yet very comfortable for everyday carry. Cuts through anything I throw at it and relatively easy to sharpen. This knife if amazingly tough. I have had my first one for almost a year now and there is still no play in it anywhere. Blade action is still as smooth as the day I bought it. Benchmade hit a home run with this one. I liked it so much I bought another 275 and I bought the fixed blade version 375. I would definitely recommend this to anyone looking for a rock solid knife that's gonna last a lifetime. Great job Benchmade.
A review from: Kent
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All I have to say is beast. Love it and the best knife I have ever had. Want a knife that last a long time. Buy it
A review from: James
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I've been looking for a knife that would be good to carry everyday. After researching different knives for nearly a month I found this knife. I went to the extreme of watching torture tests, comparing the weight and taking blade length measurements of knives I already own.

I was a little concerned about the weight and size of the knife, but after carrying it my concerns disappeared. This knife is reasonably flat for its size and it wears so comfortably I occasionally check my pocket to make sure I haven't left it laying somewhere at work.

The knife is extremely sharp straight out of the box. I nearly gave myself razor burn while shaving hairs off my arm. The locking mechanism is very smooth and sturdy. The blade has not met anything that it will not cut yet. Recently I cut through 8 layers of 1,800 pound nylon strapping. It went through most of the stack with a single pass.

I'm confident this knife will last a very long time. If you buy it, you will not be disappointed.
A review from: Ernest
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The Adamas brings an unparalleled essence to the knife community, Derived from the meaning, hardest surface found in nature. The Adamas takes an apocalyptical beating and still returns to the former sharpness of a factory edge. Time and time again I open this knife and the lock up of a custom made knife is found on a factory blade. Benchmade has built a knife that represents the name of a hand made knife, quality and control is their motto. Well done benchmade, I found my unicorn knife!