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Hatsukokoro

Hatsukokoro Blue 2 Damascus Migaki Santoku 180mm Ebony Handle

Regular price $299.95

IMPORTANT: Carbon steel knives can rust or patina quickly if not cared for properly. They require regular cleaning, drying, and oiling. If you are unfamiliar with carbon steel maintenance, we recommend choosing a stainless steel option instead.

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Hatsukokoro Blue 2 Damascus(Tosa)
Santoku / Santoku
Double Bevel
Weight 127 g | 4.5 oz
Edge Length 170 mm | 6 11/16″
Heel Height 44 mm | 1 47/64″
Width @ Heel 4.6 mm | 3/16″
Width @ Mid 3.2 mm | 1/8″
Width @ 1cm from Tip 1.2 mm | 3/64″
Steel Blue 2 / Aogami #2 | Carbon
Blade Construction Sanami - Soft Iron Damascus Clad
Hardness (HRC) 61 - 63
Surface Finish Migaki
Handle Octagonal Ebony
Region Hyogo
Best for
  • Pro chefs
  • Enthusiasts
  • Free shipping for knives over AU$200 Australia wide.
  • World-wide shipping via DHL Express, 3 to 5 days.


The Blue 2 Damascus line developed by Hatsukokoro is constructed with blue 2 core steel and iron Damascus, a combination that is more often found on some very high end Sakai knives. But, judging by the features of these blades, they are likely forged in Tosa region similar to many other Kurouchi carbon knives from Hatsukokoro that we are familiar with.

What is not similar to those other Kurouchi knives is, the finish that Hatsukokoro put on these knives. To reveal the fine Damascus pattern in the cladding, these knives receives a very smooth Migaki polish, it creates contrast between layers of different steels, and removes the rough scratches that are usually found on other knives from the same maker.

The profile and geometry are still in line with its close relatives, this line have a rather thick spine that tapers down, and a strong convex bevel that starts rather low on the blade, which offers strong food release but a little to thick and can created some resistance when wedging into some harder food like roots. However, the blue 2 can still offer an excellent sharpness at the edge, making the food penetration very satisfying when paired with the weight of this thick blade.

Due to the additional steps used to give this knife a clean finish, the price went up correspondingly and now I wouldn't consider this is a "budget" line. The combination of carbon core steel and iron cladding means these knives demands more attention as well. However, when all things are considered, this line is still a easy way to get this classic construction, and knives that looks similar to is would usually be priced two to three times.

Pros Cons
  • Budget friendly
  • Workhorse grind
  • On the thicker side
  • Prone to rust
Care Instruction
  1. Don't cut hard things! Japanese knives are brittle so bone hacking is a NO NO!
  2. Wash with neutral detergent after use, and wipe dry;
  3. Please don't wash knife with dishwasher, it will damage the wood handle;
  4. Be careful not to leave the knife close to a heat source for a long time;
  5. It is a lot more dangerous to cut with a blunt knife than a sharp knife!
  6. It is best to sharpen a Japanese knife regularly on a waterstone.
  7. Oil the (carbon) knife if storing for an extended period of time to prevent rust.

Hatsukokoro

Rising star of the industry

Hatsukokoro as a brand works extensively with the Japanese kitchen knife industry. Through collaboration with makers and manufacturers across the Japan, they’ve designed and created a huge collection of different knives, covering every possible price range while having a great value in many of their product lines. Their capabilities to incorporate resources have built a strong relation with knife makers, and more and more are happy to send their knives down to Amagasaki and have them delivered across the world.

“The rapidly expanding new brand in the industry based in Amagasaki, offering great varieties by working close with different makers across entire Japan to the entire globe while innovating in product design and metal fabrication.”

Est. 2019 | 令和元年
Known for Unrivalled product availability, exceptional performance at a highly competitive price.
Website handk.co Instagram @handk_official Read more about Hatsukokoro
Hatsukokoro — Hyogo
Profile: Santoku
Profile

Santoku

Santoku

The Santoku(三徳) knife, embodying the meaning "three uses," is a cornerstone in Japanese kitchens, adept at slicing, dicing, and mincing. Esteemed for its versatility, it features a blade length typically between 15cm and 20cm (6 to 8 inches), catering to a wide array of culinary tasks. Distinguished by its less pointy tip compared to the Gyuto, the Santoku boasts a unique profile that contributes to its functionality and popularity. Its design is more controllable in chopping and slicing, and the profile is less aggressive, for those reasons, it has bacame a preferred choice for home cooks.
Composition

Blue 2 / Aogami #2 Element Composition

Compare with
    Blue 2 / Aogami #2
    1.05% 0.8% 0.5% 0.3% 0
    C Carbon 1.05%
    Primary hardening element. Raises hardness and wear resistance — but too much increases brittleness and corrosion susceptibility. As a reference: German 1.4112 (~0.5%) sits at the low end; VG-10 (~1.0%) is a common mid-range; SG2 (1.25–1.45%) and ZDP-189 (~3.0%) represent high and extreme ends respectively.
    C
    1.05%
    Cr Chromium 0.2%
    Raises corrosion resistance; 13%+ qualifies steel as stainless. Also improves hardenability and wear resistance. In kitchen use, higher chromium levels contribute to a slight drag or sticking sensation when cutting — a trade-off for the rust resistance it provides.
    Cr
    0.2%
    W Tungsten 1.0%
    Forms hard carbides for wear resistance and edge retention. Gives the steel hardness even at elevated temperatures.
    W
    1.0%
    Mn Manganese 0.2%
    Aids hardenability and strength. Acts as a deoxidiser during smelting. Excess can reduce toughness.
    Mn
    0.2%
    Si Silicon 0.1%
    Strengthens the steel matrix and acts as a deoxidiser. Improves hardness and resistance to oxidation.
    Si
    0.1%
    P Phosphorus 0.025%
    Impurity from the smelting process. Even small amounts cause brittleness — steelmakers keep this as low as possible.
    P
    0.025%
    S Sulfur 0.004%
    Impurity that reduces toughness and promotes brittleness. Intentionally added only in free-machining steels.
    S
    0.004%
    C — Carbon Cr — Chromium W — Tungsten Mn — Manganese Si — Silicon P — Phosphorus S — Sulfur
    Hardness 61–63 HRC
    555759616365+
    Steel
    Blue 2 / Aogami #2
    Category
    Carbon
    Manufacturer
    Hitachi Special Steel, Japan 🇯🇵
    Hardness
    61–63 HRC
    Steel

    Blue 2 / Aogami #2

    • Manufacturer
      • Hitachi Special Steel, Japan
    • Nature Carbon
    • Hardness61–63 HRC
    Blue Steel No.2, also recognized as Aogami No.2, is a distinguished high carbon steel produced by Hitachi Metals Ltd, enhanced by the addition of chromium and tungsten to the base of White Steel No.2. This modification brings about an improvement in toughness and the creation of hard carbide molecules, which significantly boost edge retention. Although its sharpness is comparable to that of White Steel No.2, Blue Steel No.2 offers a slight advantage in maintaining its edge.

    Widely favored for its versatility, Aogami No.2 is celebrated for its ease of sharpening and robust resistance to chipping, making it an ideal choice for those new to Aogami steel knives. Containing 1.0–1.2% carbon and achieving a typical hardness of 62–63 HRC on the Rockwell scale, it stands as the benchmark in evaluating Aogami steel cutlery.
    Construction: Sanami - Soft Iron Damascus Clad
    Construction

    Sanami - Soft Iron Damascus Clad

    Sanmai(Three-Piece) is a common construction for double bevel knives where two pieces of softer cladding steel are forgewelded to each side of a harder core steel. The harder but more brittle core steel will form the hard cutting edge after heat treating, and the softer cladding will support the core to increase the overall strength of the blade.

    Damascus Sanmai utilize damascus steel as the cladding material for the Sanmai construction, which adds aesthetic feature to the blade. However, the damascus cladding found on Japanese kitchen knives with carbon steel core are ususally made of soft iron, which means they too need to be maintained to stay pretty.

    The soft cladding enables the thinning process to be a lot easier than a honyaki or monosteel construction. However, when the cladding is made of damascus, whether etched, polished or mirror polished, the thinning process will take a toll on the cladding, meaning the damascus won't look the same as when it was taken out of the box.

    Finish: Migaki
    Finish

    Migaki

    "Migaki" means "polished" or "shined" in Japanese, The term "Migaki finish" in the context of Japanese kitchen knives indeed does not exclusively refer to a mirror polish but encompasses a broader range of polished finishes that can vary from semi-gloss to a more refined, subtle sheen, rather than a highly reflective surface. The primary goal of a Migaki finish is to enhance the knife's functionality and aesthetic appeal, focusing on a smooth finish that improves resistance to corrosion and minimizes drag during cutting, rather than achieving a purely mirror-like appearance.

    Handle
    Handle

    Handle Specs

    • Profile Octagonal WA
    • Material
      • Ebony

    This handle, crafted from a single piece of ebony, exemplifies minimalist elegance and functional design. Its unique octagonal shape, featuring a subtle taper, offers a comfortable grip and a visually appealing geometric profile. The ebony wood, known for its deep, rich color and durability, has been meticulously milled from a single block, ensuring a seamless construction that highlights the wood's natural beauty and grain. The handle's surface has been highly polished, achieving a glossy finish that not only enhances the ebony's luxurious dark hue but also provides a smooth, tactile experience for the user. This design choice reflects a minimalist approach, focusing on simplicity, quality, and usability. The combination of the octagonal shape with the taper adds a modern twist to the classic material, making it a standout piece that blends traditional craftsmanship with contemporary aesthetics.

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