Hatsukokoro | SKU: HT-AKT-B2KU-SA165BC

Hatsukokoro Aokitae Blue 2 Kurouchi Santoku 165mm Black Chacate

Name: Hatsukokoro Aokitae Blue 2 Kurouchi Santoku 165mm Black Chacate
Brand: Hatsukokoro
SKU: HT-AKT-B2KU-SA165BC
Price: 159.95 AUD
Availability: InStock

$159.95

Tax included Shipping calculated at checkout.

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.

St Peters —
2 Bishop St Unit 2 St Peters NSW 2044
+61 2 8234 8818
Crows Nest —
107 West St, Crows Nest NSW 2065
Pickup only

Detailed Specifications

Line	Hatsukokoro Aokitae Blue 2 Kurouchi
Profile	Santoku / Santoku
Bevel Type	Double Bevel
Weight	154 g 5.43 oz
Edge Length	167 mm .6.57 inch
Heel Height	46 mm .1.81 inch
Width @ Spine	3.3 mm 0.13 inch
Width @ Mid	1.8 mm 0.07 inch
Width @ 1cm from Tip	1.4 mm 0.06 inch
Steel	Blue 2 / Aogami #2 \| Carbon
Blade Construction	Sanmai - Soft Iron Clad
Hardness (HRC)	61 - 63
Surface Finish	Kurouchi
Handle	Octagonal Black Chacate
Region	Hyogo
Best for	Enthusiasts Students

Free shipping for knives over AU$200 Australia wide.
World-wide shipping via DHL Express, 3 to 5 days.

The Hatsukokoro Aokitae Blue 2 Kurouchi Santoku 165mm with Black Chacate handle is a double-bevel general-purpose knife best fit for home cooks seeking a compact carbon steel blade for slicing, dicing, and mincing. Produced in Hyogo by Hatsukokoro, this santoku features Hitachi Blue 2 (Aogami #2) carbon steel with a kurouchi surface finish and san-mai soft iron cladding. The reactive carbon steel construction requires immediate drying after use to prevent oxidation, as the blade is not stainless clad.

Blue 2 steel measures 61-63 HRC and contains tungsten and chromium additions that improve toughness and edge retention while maintaining ease of sharpening. This 165mm profile has a less aggressive tip and offers controllable chopping action suited to everyday kitchen tasks. The octagonal Black Chacate handle pairs with a blade measuring 3.3mm at the heel, tapering to 1.4mm at the tip, with a total weight of 154g and 46mm heel height. The san-mai soft iron clad construction supports the high-carbon core, providing structural support for the cutting edge during preparation work.

Care Instruction

Don't cut hard things! Japanese knives are brittle so bone hacking is a NO NO!
Wash with neutral detergent after use, and wipe dry;
Please don't wash knife with dishwasher, it will damage the wood handle;
Be careful not to leave the knife close to a heat source for a long time;
It is a lot more dangerous to cut with a blunt knife than a sharp knife!
It is best to sharpen a Japanese knife regularly on a waterstone.
Oil the (carbon) knife if storing for an extended period of time to prevent rust.

Hatsukokoro

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.

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.
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Steel: Blue 2 / Aogami #2
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.
Manufacturer:
- Hitachi Special Steel, Japan
Nature: Carbon
Hardness: 61- 63
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Handle Specs
Profile: Octagonal WA
Material:
- Black Chacate
Black Chacate is a highly valued timber known for its deep, rich brown to almost black coloration, fine texture, and exceptional durability. It polishes well, offering an exquisite finish that highlights its subtle, elegant grain patterns. This wood is often used in fine woodworking projects, including luxury furniture, decorative items, and high-end knife handles.
An octagonal wa handle made from Black Chacate wood would exhibit a sleek, geometric shape that fits comfortably in the hand, enhancing the user's grip and control. The deep hues and natural luster of Black Chacate add a touch of sophistication and unparalleled beauty to the handle, making it not only a functional component of a kitchen knife but also a piece of art. The durability and stability of Black Chacate ensure that the handle withstands the rigors of kitchen use while maintaining its aesthetic appeal over time.
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