Product Description
The Benchmade Adamas 275-05, designed by Shane Sibert, brings high-end materials and refined tactical ergonomics to an iconic hard-use folding platform. Combining a 3.78" CPM-MagnaCut super steel drop point blade with lightweight Marble Carbon Fiber handle scales over Tan steel liners, this full-sized folder delivers tank-like strength in a sophisticated package.
CPM-MagnaCut Stainless Steel is a revolutionary powder metallurgy steel engineered by Crucible Industries to offer an uncompromised balance of high toughness, edge retention, and extreme corrosion resistance. Hardened to 60–62 HRC, the 3.78" drop point blade features a clean Stonewash finish and flat grind for effortless slicing performance and heavy-duty field capability.
- Blade: 3.78" CPM-MagnaCut drop point with Plain edge, Flat grind, Stonewash finish, 0.140" thick.
- Handle: Marble Carbon Fiber scales over Tan steel liners; Stainless steel hardware; 5.20" closed, 6.45 oz.
- Deployment + Lock: Dual thumb studs for ambidextrous opening; AXIS Lock mechanism.
- Carry: Reversible deep-carry tip-up pocket clip; Cordura belt sheath included; 8.90" overall open length.
Ideal for: tactical operators, hard-use EDC enthusiasts needing maximum capability, Benchmade collectors, and users demanding CPM-MagnaCut super steel wrapped in Marble Carbon Fiber scales.
The Benchmade Adamas in CPM-MagnaCut Stonewash with Marble Carbon Fiber (275-05) ships same or next business day from Columbia, Louisiana. Knifeworks is an authorized Benchmade dealer.
Benchmade Adamas 275-05: Frequently Asked Questions
Answers to the most common questions about the Benchmade Adamas Carbon Fiber (275-05).
What steel is used for the Benchmade 275-05 blade?＋
The 275-05 uses Crucible CPM-MagnaCut stainless steel hardened to 60–62 HRC with a Stonewash finish, offering an extraordinary combination of toughness, edge retention, and extreme corrosion resistance.
Does the Benchmade Adamas 275-05 come with a sheath?＋
Yes. In addition to the installed deep-carry pocket clip, the 275-05 includes a MOLLE-compatible Cordura pouch/sheath with a snap closure for versatile tactical belt or gear mounting.
How does the AXIS Lock work?＋
The AXIS Lock uses a hardened steel crossbar that slides forward in milled liner slots to engage over the rear tang of the blade. It provides a rock-solid, fully ambidextrous lockup that operates smoothly via the dual thumb studs.
Where is the Benchmade 275-05 made, and what warranty covers it?＋
The Benchmade Adamas is proudly made in Oregon City, Oregon, USA. Benchmade backs the knife with a Limited Lifetime Warranty and free LifeSharp lifetime tuning and sharpening service. Knifeworks does not warranty this product independently.
CPM-MAGNACUT STEEL · STONEWASH · MARBLE CARBON FIBER
The Hard-Use USA-Made Tactical Folder
A 6.45 oz hard-use folder featuring a 3.78" CPM-MagnaCut stonewash blade, Marble Carbon Fiber handle, Cordura sheath, and AXIS Lock. Questions? Our team carries these knives daily. We ship same or next business day from Columbia, Louisiana.
Call 888-225-9775
Warranty Information
Benchmade Warranty: Benchmade warrants that its genuine products are free from defects in material and workmanship for the life of the product. The warranty does not cover normal wear and tear, rust, accidents, misuse, improper maintenance, or alterations. Benchmade offers free lifetime LifeSharp services for sharpening and inspection. Contact Benchmade directly for warranty and LifeSharp support. Knifeworks does not warranty this product independently.Specifications
| Product Type | Folding Knife | |
| Brand | Benchmade | |
| Product Name | Adamas | |
| Model # | 275-05 | |
| Overall Length (in) | 8.93 | |
| Blade Length (in) | 3.82 | |
| Handle Length (in) | 5.20 | |
| Blade Thickness (in) | 1.40 | |
| Handle Thickness (in) | 0.63 | |
| Blade Material | MagnaCut Stainless Steel | |
| Blade Hardness (HRC) | 60-62 | |
| Blade Style | Drop Point | |
| Blade Edge | Plain | |
| Blade Grind | Flat | |
| Blade Finish | Stonewash | |
| Handle Material | Marbled Carbon Fiber over FDE PVD-coated steel liners | |
| Handle Finish | Black | |
| Lock Type | Axis Lock | |
| Weight (oz) | 6.2 | |
| Origin | USA | |
| Designer | Shane Sibert | |
| Blade Range | 3.5-3.99 |
