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Over their 100+ year history, the Hinoura family of forge-smiths have developed a great deal of experience and expertise in the knife forging arts.
The concept behind the collaborative knives that we have produced with Master Hinoura was simple: We both wanted to to produce superbly sharp, highly practical and aesthetically attractive high-carbon steel knives that would satisfy the needs and desires of knife enthusiasts who love high-carbon steel knives.
We requested that Hinoura uses White Steel No.1 for the core blade steel. It is sandwiched with outer layers of soft stainless steel. The laminated construction means that only the high-carbon steel blade core is likely to discolor or rust, since the outer layers of soft stainless steel are corrosion-resistant and easy to maintain. The layers of soft stainless steel also improve the blade’s resistance to impact and bending forces. White Steel No.1 is made by further refining White Steel No.2 and adding more Carbon. The extra Carbon allows it to achieve a slightly higher HRc. than White Steel No.2. It can be sharpened to an exceedingly fine edge, has very good edge retention and is easy to re-sharpen.
We selected a comfortable ‘D-shaped’ charred Chestnut Wood Handle that beautifully compliments the Kurouchi blade to complete the knife. Charred chestnut wood handles have been used in Japan for centuries because they offer a secure grip even when your hands are wet.
The Bunka is a general-purpose kitchen knife that used to be just as popular as the Santoku, but has become less commonplace in recent years. With its tall blade, the Bunka knife is particularly suitable for cutting vegetables or fruit and the triangular tip area is particularly useful for detailed work and cutting fish or meat.
More Information: Unlike many traditionally forged knives, Master Hinoura's knives have a relatively thick spine at the point where the tang enters the handle (The ‘neck'). In part, this because he forges these laminated knives using a piece of high carbon steel that is much thicker than that commonly used by other forge-smiths. The thick spine and neck makes the knife very strong, very comfortable to hold in a ‘pinch-grip’ and also results in excellent blade balance.
Although some people consider Master Honoura’s knives to be thick and heavy, their geometry is the result of carefully considering every aspect of their function. Contrary to what you might expect, the process of forging a thick blade 'to shape’ actually requires a lot of time and skill. Master Honoura’s knives are nicely tapered from their heel to the tip and from their spine down to the cutting edge, which is ground very thin behind the edge. We are confident that these knives will provide the high cutting performance that is demanded by Carbon steel lovers!
Knife Model: Hinoura Kurouchi White Steel No.1 Series Bunka
Blade Material: White Steel No.1
Rockwell Hardness (HRc): 60 to 62
Blade Grind and Edge Shape: Double Bevel Edge 50/50
Handle Material: D-Shaped Charred Chestnut Wooden Handle with Water Buffalo Ferrules
Saya Included: No.
Bunka 185mm (7.2")
Cutting edge length: 185mm
Total Length: 325mm
Blade Thickness: 4.5mm
Blade Width: 50mm
Handle Length: 127mm
Total Weight: 167g
This knife comes with 50/50 double bevel edge geometry for both right and left handed use.
For your information, Japanese Kitchen knives are generally designed for right hand use with a slightly thicker and rounded grinding on the right side blade and a less rounded (almost straight flat) grinding on the left side blade. However, both right and left hander can use the knives that have double bevel edge sharpened 50/50 without problems.
We believe the quality and cutting performance of Japanese knives are the best in the world, and hope you enjoy the fine craftsmanship and its sharp edge of your new knife. With proper cares, every Japanese knife should be your special cooking partner for a long times.
This is the Carbon steel blade kitchen knife that can get rust and discolor easily, and requires extra cares and attentions to prevent rust.
Dear Iwahara-san, dear JapaneseChefsKnife team, Since I've made my first purchase with you 10 years ago with a Misono Aus8 petty and after 7 other orders (Misono UX10, Misono Swedish Carbon steel and Hinoura petty and Bunka) I've always been very satisfied with the products and with your incredible service... After having tried Hinoura knives with a petty, I immediately thought that I have to buy a bigger one as the quality of his knives and the crafmanship are the best I never found since I used Japanese knives from different makers. When I received the Bunka 180mm it was already super sharp but after having made few passes on the 1000/3000 stones it became a real laser. The Bunka shape of the blade is amazing and really polyvalent, the balance is perfect, the white steel 01 keeps its cutting capabilities during hours of cooking and is also very easy to resharp. The blade is really strong thanks to its thickness which is something I also really appreciate. The way that blade is forged is fantastic and the Kurouchi finish helps a lot to protect the blade from rust. Long story short I strongly recommend to buy this knife! Finally owning alreday to Hinoura petty and bunka, I like these knives so much that I will order a Gyuto 210mm. Thanks again to all the team at JapaeneseChefsKnife for the great selection, extremely quick and cheap shipping and for the follow-up. Sincerely, JB