Quick Answer
For survival knives, a flat grind is generally preferred over a hollow grind due to its better ability to hold an edge and withstand harsh conditions, making it a more reliable choice for self-defense and everyday tasks.
Grind Types and Their Applications
The choice between a flat grind and a hollow grind largely depends on the intended use of the knife. A flat grind is ideal for survival knives as it provides a strong, durable edge that can withstand high-impact tasks such as chopping and batoning. In contrast, a hollow grind excels in slicing and piercing applications, but can be more prone to chipping and edge damage.
Edge Retention and Performance
A flat grind typically retains its edge for longer periods compared to a hollow grind. This is due to the convex shape of the edge, which reduces the risk of chipping and edge collapse. In a survival scenario, where the knife may be subjected to various environmental conditions and tasks, a flat grind’s edge retention is a significant advantage. A flat grind’s performance can be further enhanced by using high-carbon steels and proper sharpening techniques, such as a 20-degree angle on both sides of the blade.
Practical Considerations
When selecting a survival knife, consider the specific tasks you’ll be performing and the environment you’ll be in. If you expect to encounter dense vegetation or need to make precise cuts, a hollow grind may be a better choice. However, if you’re primarily focused on self-defense, chopping, and batoning, a flat grind is likely a better fit. Additionally, consider the blade’s material, shape, and handle design when making your decision. A well-designed flat grind survival knife can be a reliable and effective tool in harsh conditions.
Find more answers
Browse the full Q&A library by topic, or jump back to the topic this question belongs to.