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Hatsukokoro Kurogane Blue 2 Ko-Bunka 80mm
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Knife Specifications
We strive to provide accurate measurements and photographs of our products. However, due to the handmade nature of many items slight variations may occur.
Style
Ko-Bunka
Blade Material
Blue 2 w/ Soft Iron Clad
Handle Material
Octagon Bubinga
Bevel
Double Bevel
Maintenance Level
High
Edge Length
~80mm
Overall Length
210mm
Spine Thickness
2mm @ Mid
Blade Height
34mm
Weight
70g
HRC
62
An In depth look
Blade Type
The Bunka knife, a versatile and traditional Japanese kitchen tool, features a distinctive, angular tip and a wide blade. It's designed for precision tasks like slicing, dicing, and chopping. Ideal for handling vegetables, meat, and fish, the Bunka is a multifunctional knife celebrated for its utility and unique aesthetic.
Steel Type
Japanese Blue Steel #2, or "Aogami" #2, is a revered high-carbon steel alloyed with low amounts of chromium and tungsten. It strikes an excellent balance between durability, edge retention, and ease of sharpening. Slightly more ductile than Blue #1, it's widely used in crafting traditional Japanese knives, beloved by chefs for its resilience and sharpness, albeit is slightly softer than Blue 1.
Care Information
This knife is made from a high-carbon steel and as such, will require a little more care than a regular off-the-shelf knife. It must be dried shortly after use, as prolonged exposure to moisture can cause rust spots to appear. A very light coat of oil during storage also helps to prevent rust spots. A patina (colouration and seasoning of the steel) will occur with use.
Introducing
Hatsukokoro
Based in Amagasaki, Hatsukokoro partners closely with a wide network of skilled Japanese blacksmiths (Think Yoshikane, Myojin, Yauji and many more) and manufacturers to create an expansive range of kitchen knives. Their approach is rooted in collaboration — drawing on the strengths of various makers across Japan to develop collections that span from accessible entry-level pieces to exceptional high-performance tools.