Dagger Knife: Design, History, and Modern EDC Carry

What Is a Dagger Knife?

A dagger knife is a double-edged blade designed primarily for thrusting. Unlike single-edged knives, the symmetrical grind and central spine give the dagger excellent piercing ability. Historically carried as a secondary weapon, modern dagger knives have found a place in EDC collections and tactical applications.

The symmetrical double-edged design defines the classic dagger profile.

Key Characteristics of Dagger Blades

• Double-edged design — both sides are sharpened, meeting at a central point
• Symmetrical profile — the blade is equally ground on both sides
• Thrust-focused tip — optimized for forward-penetration rather than slicing
• Full central ridge or fuller — adds structural rigidity to the narrow profile

Dagger Knife vs. Other Blade Shapes

The dagger's symmetrical grind gives it superior piercing geometry, but the double edge means it requires more care in handling. For everyday carry, many users prefer a single-edged variant with a dagger-like point for safer carry.

Daggers in Modern EDC

While traditional daggers are full double-edged blades, many modern folding knives incorporate dagger-like design elements — spear-point profiles, swedges, and symmetrical grinds — that offer piercing performance while maintaining practical utility. Artisan Cutlery's collection of folding pocket knives includes several models with tactical, point-forward designs suited for users who value piercing capability in a compact carry format.

Materials and Construction

Dagger blades benefit from high-hardness steels that hold a fine point well. Modern dagger knives often use D2, 12C27, or powdered metallurgy steels that balance edge retention with toughness. The double-edge geometry means edge stability matters — lower toughness can lead to tip breakage under lateral stress.

Legal Considerations

Double-edged daggers are regulated or restricted in many jurisdictions. A folding knife with a dagger-style blade profile that opens via one hand may be legal in more areas than a fixed double-edged dagger. Always check local knife laws before carrying any knife, especially one with a double-edged design.

Learn more about blade shapes in our Knife Types collection at Artisan Cutlery, and explore our full range of EDC knives built for performance and durability.