Hatsukokoro Kurokuma Blue #2 Kurouchi Bunka 165mm

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The Kurokuma (黒熊, “Black Bear”) series from Hatsukokoro is a robust, workhorse line forged from Aogami #2 carbon steel, hardened to 62–63 HRC. With its thick spine, weighty feel, and rugged design, this is a knife built for power.

Compared to its Kokugei or Kuronami siblings, the Kurokuma features significantly less taper, giving it a thicker midsection and heel that offers excellent stability and cutting momentum. Despite its heft, the Kurokuma surprises with its slicing ability. While dense ingredients like potatoes may resist during wedging, thin slices glide off cleanly thanks to a narrow secondary bevel and low-friction release. The aggressive carbon edge, combined with the blade’s inertia, creates a deeply satisfying slicing experience.

For cooks seeking a budget-friendly carbon steel knife with a rustic aesthetic, bold grind, and unexpectedly refined performance, the Kurokuma delivers beyond expectations.

Blade Type: Bunka
Core: Aogami 2 (Blue 2) Carbon Steel
Cladding: Iron Cladding
Handle: Mono Ebony Octagonal Handle
Spine Thickness at Heel: 3.7mm
Blade Height at Heel: 48mm
HRC: 62-63
Weight: 188g
Blade Length: 170mm
Overall Length: 314mm