ZDP-189 Bunka Silver 190mm (7.5") - blade
ZDP-189 Bunka Silver 190mm (7.5") - blade
ZDP-189 Bunka Silver 190mm (7.5") - blade
ZDP-189 Bunka Silver 190mm (7.5") - blade

Yoshida Hamono

ZDP-189 Bunka Silver 190mm (7.5") - blade


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 BLADE (without a handle)

The ZDP-189 Bunka Silver blade is available without a handle. This is your chance to make your own handle or order it separately so you can put together a one-of-a-kind knife that is perfectly suited to your taste and needs. The knife is also available with an octagonal handle in walnut wood.

With its typical functionality, the Bunka Bano-Bocho (文化 万能-包丁) design allows for a versatile use in Western cuisine. It has a flexible profile that is wide enough at the handle, a gently designed belly of the blade suitable for making either long or short cuts, a flat back side of the blade for chopping, and a thin tip for precise work with food. 

A single silver thin line, running along the length of the blade just above its edge, marks the separation between the softer and the harder, core steel. It is also called “hairline” and denotes a smoothly sharpened knife. It is ideal for the finest cuts. 

The heart of the knife is made of ZDP-189 steel, which we selected because systematic testing has proven its superior qualities and long-lasting sharpness.

The steel contains as much as 3% Carbon (C), which is one of the main elements contributing strength and typically found in amounts of up to only 1% in other types of solid steel, while the Chromium (Cr) content, which prevents corrosion, amounts to nearly 20%. It also features 1.5% Tungsten (W), which considerably increases the abrasion resistance of steel, 1.3% Molybdenum (Mo), which helps to preserve the strength and power of steel under variable temperatures, and 0.10% Vanadium (V), the key element in increasing steel strength.

The steel is laminated, which entails that the core is made of very strong steel covered with an external layer of softer stainless steel. Such a blade remains sharp for a very long time, its softer external layer makes it easier to sharpen, and it also protects the core steel from external factors.

ZDP-189 Bunka embodies the cream of the crop as regards what one desires in a kitchen knife and is made of steel with a hardness of 65-67 HRC that will ensure fine, long-lasting sharpness even by Japanese standards! 

About the smithy: 

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.

Japanese Handles:


    Blade shape: Bunka
    Steel type: ZDP-189
    Hardness (HRC scale): 65-67
    Overall length: 290mm (11.4")
    Blade length:
    190mm (7.5")
    Blade height:
    50mm (2.0")
    Spine thickness: 2.0mm (0.08")
    Blacksmith: Yoshida Hamono
    Handle size recommendations: M


    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.

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