Custom HAP-40 Gyuto Black 210mm (8.3")
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HAP-40 Gyuto Black 210mm (8.3") blade paired with our SharpEdge stabilized wood handles in grey/orange/emerald green/light brown.
HAP-40 Gyuto Black 210mm (8.3") is a multi-purpose knife from our HAP-40 series, which we designed in collaboration with the Yoshida Hamono smithy.
We paired this blade with our custom maple burl handles in four different colors:
→ TOKYO NIGHT: Traditional Japanese handle with a modern twist in a dark color named Tokyo Night. The color of these handles varies from light to dark grey, with soft or deep hues of red and swirls of cream. If you like a particular hue, please contact us before placing an order.
Gyuto is the Japanese version of the classic Western Chef’s knife. It can be used with a variety of different cutting techniques to take on a wide range of kitchen tasks. Gyuto stands for “beef sword” in Japanese and was initially used to cut meat, but it can obviously be used for chopping veggies as well.
We chose a universal, octagonal shape that comfortably fits the hands of both right- and left-hand users. It offers a firm grip for easy and comfortable use.
Handles are made of natural maple wood, which undergoes a special procedure of stabilization with resin. This ensures a long service life of the handle. During this process of stabilization, a color pigment is added which penetrates the wood in different ways, creating unique patterns. This makes every handle one-of-a-kind.
Color and patterns of handles may vary from what is seen in the pictures. If you like a particular color hue, please contact us before placing an order.
The secret of this knife lies in its hard core made of a somewhat exotic Hitachi’s HAP-40 steel, that fits into the category of modern and technologically advanced steels. HAP-40 is fine-grained enough to sharpen very well, and knives made from it keep their sharpness 3-5 times longer than traditional knives. An interesting fact is that, considering it is a powder steel, it has a very small content of chromium (around 4%) and can react as a high-carbon steel in specific circumstances.
This steel is heat-treated to an incredible 68 HRC, yet it can still be relatively easily sharpened on whetstones. It is extremely tough, and so not as likely to chip along the edge as the steel used in traditional knives.
Osamu-san chose a warikomi (also called “split and insert”) method. A glowing hot piece of iron is split and a piece of steel is inserted. The material is then forged into one piece composed of a very hard steel core in a jacket of two external layers of softer, stainless steel. This creates a highly durable kitchen knife with a slightly more pliable core. The main advantage of these knives is that they are thin, sharp and retain their edge very well.
→ Read more on Blade construction: Lamination.
It has a double bevel (symmetrical) blade.
The blade has a dark finish, which is the reason this look is called kuro-uchi - the word “kuro” means black. This look is traditional and robust, with an unprocessed top part of the blade that has already developed a dark patina.
→ Read more on Blade construction: Blade finish.
About Yoshida Hamono:
The knife is manufactured at the smithy of Yoshida Hamono in Japan, a family company with an age-long tradition in manufacturing state-of-the-art tools and Japanese swords, i.e., katanas, by hand. Yoshida Hamono has a great deal of experience forging ZDP-189 steel in the traditional manner.
|Hardness (HRC scale):||68
|Overall length:||355mm (14.0")|
|Spine thickness:||2.9mm (0.11")|
|Weight:||195g (6.9 oz)|
|Handle length:||130mm (5.1")|
|Handle type / wood:||
Japanese / Stabwood
Use & Care:
- Handwash in warm water and towel dry
- Use a sharpening stone (not a honing steel!) to sharpen your knife
- Do not cut frozen foods and meat bones
- Do not put the knife in a dishwasher
- Read our comprehensive guide on proper Maintenance of Kitchen Knives.
Still doubting which type of Japanese knife should best fit your needs? We created a quick, 5-steps quiz to help you find the perfect knife based on your cooking skills and the type of food you prepare.
Yesterday I cooked a Chinese meal for a couple of friends: a main mie dish and verious side dishes. Preparing all the vegetables and meat with this Santoku was a joy: effiortless and precise cutting. Probably this inspired me to be as precise in the cooking itself, because we all agreed that it was the best version of this recipe I ever made.
This is the second knife I purchased from SharpEdges. The first one - a Yoshida kiritsuke 135 mm black HAP-40 is also very good. I like the (almost) minimalistic simple but (almost) perfect finish of these Yoshida blades and handle.
All in all I regret that I did not discover your shop earlier. I already have a nice collection of other Japanese knives with different steels and shapes. No need on the short term for replacements or filling some gap. But who knows?
Delivery by DHL Express from Ljubljana to the Netherlands is okay but not perfect. Oh well. Who cares?
Thanks guys for the good service, the European sense of humour and the - especially that - great products.
Well received and everything in great condition, great knife bag and the blade covers fits perfectly... Thanks
Ciao, ho acquistato questo coltello per tagliare la pasta che faccio in casa. Premetto che sono mancino per cui gran parte dei coltelli giapponesi faccio fatica a trovarli. Il coltello è piacevole ma non propriamente da mancini. Un saluto
Very special handle,nice!
I just received my Yoshida Hamono ZDP189 santoku and I am over the moon with it. It was a hefty purchase, but well worth it. I’m currently restoring my knife collection since my previous one was stolen. This is a wonderful addition to my new collection.
Nice wrapped and really safe, amazing knife as a Santoku I had bought and really comfortable to use for whole day prep in the professional kitchen.
I purchased a knife from this website, unfortunately the knife was not of my liking, they provided a return label for me, then Fedex lost the package and it was a mess, lots of calls and emails but sharpedgeshop was always professional and gave me a full refund, they always responded to my emails quick and were very professional.
During the Purchasing process and a year later when I wanted to have something repaired, the service has been outstanding. Prompt responses and working with me to find the right solution.
Beautiful blade and handle. Thanks Sharp Edge!
Will be buying from here again due to the fact that the customer service made me feel like no matter what I'd have everything I needed and be getting my money's worth. They care about your experience and also have brilliant products
Knife was bought as a gift and the receiver loves it. They were responsive when emailed a question and the knife arrived fairly quickly.
It was a pleasure to shop here, so much information and good advice to help you find what you are looking for, pair that with exceptional service and communication and you have a shop who is dedicated and passionate about what they do. Highly rated and thank you
I ordered a knife for a friend with custom engraving and the customer support went above and beyond to help make sure I received the product I asked for. They were quick, friendly, and considerate, and shipped the knife extremely quickly. When a part of the Saya was damaged during delivery I received a replacement (several just in case) the next day!
The knife itself looks great, is nice and sharp, and is exactly what I had hoped to order. Will definitely order again for myself.
I'm really satisfied with the quality of the knife. A great product. And the customer service was great. I have a very small thing to share and it’s not a complaint at all. The knife was a gift and overall the packing is okay. But the knife box was a little bit low quality and i hope that would be okay with lots of customers and if there is an option to buy a little bit higher quality box, it would be very nice. Thank you.
Prompt and reliable team at “Sharp Edge”. I received my item promptly and was well packaged. I had a query about the handle before I purchased this knife. The team at Sharp Edge actually went to the trouble of doing a test and gave me an answer in four days.(I asked them about the suitability of composite handles for sanitising in hot water). All Is good!