Miyabi Black Bread Knife 9.4-inch

Extreme Hardness Meets Structural Resilience: The Miyabi Black Bread Knife


In the world of high-end cutlery, hardness often comes at the cost of fragility. The Miyabi Black 5000MCD 67 series shatters this paradigm. Forged in Seki, Japan, this 9.4-inch (240mm) bread knife utilizes MCD67 micro-carbide powdered steel, ice-hardened to a staggering 67 Rockwell (HRC). While such hardness typically suggests a brittle edge, the specific molecular structure of MCD67 ensures this blade remains remarkably tough. It is built to withstand the rigors of professional high-volume prep without chipping, providing a level of edge retention that is virtually unrivaled in the industry.


This is not a tool that merely 'slices'—it glides. The scalloped serrations are engineered to bite into artisan sourdough crusts and delicate croissants alike, preventing the compression of the crumb. The blade is encased in 132 additional layers of steel, creating the signature Flower Damascus pattern that serves both an aesthetic and functional purpose, reducing surface drag during deep cuts. Whether you are portioning heavy ciabatta or slicing through the thick skin of a pineapple, the Miyabi Black provides the weight and balance necessary for fatigue-free performance. The traditional 'D-shaped' handle, crafted from striking Black Ash wood (Bigleaf Maple Burl), provides the ergonomic indexing required for precise, confident strokes during an eight-hour shift.

SKU: 1019528

Availability: In stock

$554.95
  • Details

    Product Specs & Technical Highlights

    • Primary SKU: 1019528
    • Model ID: 34406-243
    • Core Steel: MCD67 (ZDP-189) Micro-Carbide Powdered Steel
    • Hardness: 67 HRC (Cryodur Ice-Hardening Process)
    • Blade Construction: 133 Layers (MCD67 Core wrapped in 132 layers of Flower Damascus)
    • Edge Geometry: Scalloped Serrated Edge, Honbazuke Honed
    • Handle Material: Black Ash / Bigleaf Maple Burl Wood
    • Handle Shape: Traditional Japanese 'D-Shape'
    • Blade Length: 9.45 in (240 mm)
    • Total Length: 14.49 in
    • Weight: 7.1 oz (202g)
    • Spine Thickness: 2.3 mm at the heel
    • Country of Origin: Handcrafted in Seki, Japan
    • Construction: Welded Bolster with Concealed Tang

     

    Practical Application: The high-HRC MCD67 steel is specifically chosen for its ability to maintain serration geometry under heavy friction. Unlike softer steels that round over when hitting hard crusts, the Miyabi Black stays sharp for months, not days. The micro-carbide structure allows the steel to be both incredibly hard and physically tough, meaning it absorbs the shock of cutting through dense materials without the edge failure common in lesser high-carbon knives.

     

    When We Recommend the Miyabi Black Series

    Who it Fits Best

    Professional pastry chefs and bakers who process hundreds of loaves weekly and demand a tool that will not dull by Wednesday.

    Where it Excels

    This knife is unbeatable for 'crust-heavy' breads like sourdough or Dutch-oven boules where standard stainless steel knives fail to bite and quickly lose their edge.

    Professional Comparisons

    It is significantly harder than the Wusthof Classic (58 HRC) and holds an edge vastly longer than a Global (56-58 HRC). Edge retention is a huge plus on a bread knife which requires specialized equipment for sharpening.

    Chef Feedback

    "The 'D-shape' handle is a favorite for long shifts; it indexes the blade perfectly in the palm, reducing the 'death-grip' often needed when sawing through tough ciabatta."

    Trade-offs & Considerations

    Because it is sharpened to 67 HRC, this knife is not for the careless. While it is tough, it should never be used to cut through frozen items or bones, which could damage the high-performance serrations.

    Additional Info

    Blade Length (Inches) 9.4 in.
    Blade Length (mm) 240 mm
    Blade Width (inches) 1.46
    Grind Serrated
    Steel Type ZDP-189 (MCD67)
    Rockwell Hardness 67
    Stainless Yes
    Handle Material Bigleaf Maple Burl Wood
    Spine Thickness (mm) 2.3
    Brand Miyabi
    Country of Manufacture Japan
    SKU 1019528
    Manufacturer's Part Number 34406-243
    Manufacturer's Suggested Retail Price $574.00

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