Hatsukokoro Hayabusa HAP-40 Damascus Nakiri 165 mm with Western Handle

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If you are a bit more familiar with the landscape of the Japanese kitchen knife, you might see the Chef Knife/Gyuto with a western handle as the child who don't get enough love. They often appear in a cheaper package, with entry level steel or poorer fit and finish and being mass-produced through stamping. In other cases, they will be cladded in all kinds of well-made, highly-polished finishes, paired with a custom grip made with exotic material, along with a four-digit price tag.

For those who prefer having that heft in hand and wishing for a Western grip Gyuto that offers premium performance, the Hayabusa(隼,Peregrine Falcon) HAP40 line from Hatsukokoro might just be the answer, and it won't break the bank. HAP40 was originally developed by Hitach as a tool steel using powder metallurgy technology, some of its properties combines with a impressive hardness of 64-66 HRC allow creation of some absurd blades. I have seen more than one time people describe its edge retention as "stupid", so if you wish to not sharpen you knife even under frequent use, this steel will be one of the top candidate.

In addition to this solid core steel, Hatsukokoro also cladded this blade with ladderback damascus, it's uniform, dense and contrasty, giving the support that the hard core steel needs so it's not just a sweet eye candy. Notice that the HAP40 steel is a semi-stainless steel, it will just develop patina over time under normal use but if left wet and uncleaned for hours, there is a good chance of it to rust. If that is acceptable and you don't mind a longer sharpening process, this shall be the go-to high performance Western Handle Gyuto.

Pros Cons
  • Excellent performance
  • Great for professionals
  • Great artistic
  • Relatively hard to sharpen
  • Semi-stainless can rust

Detailed Specifications

Line Hatsukokoro Hayabusa HAP40 Western Handle
Profile Nakiri
Bevel Type Double Bevel
Weight 186 g        6.56 oz
Edge Length 154 mm   .6.06 inch
Heel Height 48 mm     .1.89 inch
Width @ Spine 2.3 mm     0.09 inch
Width @ Mid 2.2 mm     0.09 inch
Width @ 1cm from Tip 2.2 mm     0.09 inch
Steel HAP-40 | Powdered Semi-stainless
Blade Construction Sanmai - Soft Iron Clad
Hardness (HRC) 64 - 68
Surface Finish Migaki
Handle Western Pakka Wood with Bolster
Region Hyogo
Best for
  • Pro chefs
  • Enthusiasts

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. Semi-stainless steel won't rust easily but may still patina

Most of our products are handmade in Japan, and sometimes the one that you receive maybe slightly different to the photo. This is very common and in no way it will affect the performance of the product.

If you have any questions or concerns, please do feel free to let us know.

AUTHENTIC JAPAN

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Kakumei and its sister shop Knives and Stones has been in the Japanese homeware industry for almost 10 years. We have suppliers all over Japan: from Nigara Hamono in Aomori to the Satsuma Kirko Kagoshima.

We work hard to bring you some of the most trendy

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