K720 is a tool steel produced by Bohler that’s used in many different types of survival knives and fixed blades. It is considered a softer steel in comparison to most other higher-end steels available. This is a comparable steel to O2, with K720 as an improved version of O1.
You can typically expect to get high-quality blades with this steel from manufacturers such as Joker that bring out the best of it with their superior heat-treatment process. In terms of quality, K720 is rated as an upper mid-range carbon steel.
Common Uses & Pros and Cons for K720 Steel
Among all the steel options for blades out there, K720 is a solid choice for those who want a great high-quality knife steel. It’s most common use is for camping or hunting blades. K720 steel can withstand all-purpose use, which makes it a great pick for bushcraft survival and hiking.
However, K720 does not match the same kind of edge retention as the higher quality steels available. If you want a steel that’s a bit more premium, then something like M390 may be a better option for you. Instead, K720 a bit harder steel than most others. This makes sharpening it harder, yet you’ll be able to maintain a sharper edge much longer.
Common Uses:
- Camping tool
- Outdoor/survival knives
- Hunting/fishing blades
- Fixed blades
Pros and Cons:
- + High hardness
- + Holds a good edge
- + Tool steel
- – Hard to find
- – Middle of the road
K720 Composition
| Material | Amount |
| Carbon | 0.90 |
| Si | 0.25 |
| Mn | 2.00 |
| Cr | 0.35 |
| V | 0.10 |
A standard heat treatment hardness rating of K720 is 50/65 HRC.
Our Top Picks for K720 Steel Knives
Among the wide array of K720 steel knives available, here’s a shortlist of a few blades we recommend. Each knife also fits a different style of use and design. The material also works for fixed knives, survival knives, or hunting blades. Joker is one of the few companies with a stock of K720 steel blades.
1. Joker Nordico CM119
The Joker Nordico is a fantastic fixed blade for a quality knife at its price point. It comes with a Micarta handle, along with a well-made leather sheath. Many find it to be nice and sharp out of the box and a design that’s built to last.
2. Joker Campero CM118-P
This Joker Campero is a smaller K720 blade coming in at about 4 inches and a fixed design. Many find it to be small and heavy-duty, with a size that can be used as an EDC.
3. Joker Campero CM118
Joker’s CM118 is a well-balanced fixed blade knife with many uses due to its high corrosion resistance in the K720 steel. You can expect this to work for multi-purpose use including sport, camping, fishing, hunting, and more.
Conclusion
K720 is a quality steel relative to any cheap stuff you may find at lower price points. You cannot expect it to outperform the highest-end steels. Although for the money, K720 steel may be one of the best options for those looking to pick up a quality knife steel that does the job, has some strength to it, and will resist rougher outdoor environments.