Mercer Millennia 6 in. Stiff Curved Boning Knife

Maximize Yield in High-Volume Meat Breakdown


The Mercer Millennia 6-inch Stiff Curved Boning Knife (M23820) is a focused utility tool that prioritizes structural integrity over flexibility. When you are breaking down heavy primal cuts of beef, pork, or large poultry, a flexible blade can deflect off bone or dense connective tissue, leading to imprecise cuts and potential safety risks. This stiff blade provides the necessary resistance to stay exactly where you guide it, allowing you to scoop out bone sockets and strip silver skin with absolute authority.


Crafted from high-carbon, stain-free Japanese steel, the blade features a 53-54 Rockwell Hardness (HRC). This specific tempering ensures the edge remains sharp through hundreds of repetitive motions while remaining easy enough to 'touch up' mid-shift with a standard honing steel. The curved profile is an intentional design choice for the 'under-and-around' technique required to clear bones efficiently without leaving valuable meat behind.


Handling this knife reveals the tactile advantage of the Millennia series. The handle is a dual-material construction: a core of durable polypropylene for structural strength, molded with a Santoprene® exterior for a rubberized, non-slip feel. Even in environments with high moisture, blood, or fat, the textured finger points provide a secondary tactile anchor, preventing the hand from sliding forward toward the bolster. This is not just about comfort; it is about reducing the hand fatigue common in 8-hour prep shifts and ensuring safety in wet conditions.


SKU: M23820

Availability: In stock

$20.35
  • Details

    Product Specifications & Technical Highlights

    • SKU: M23820
    • Blade Length: 6 inches (152 mm)
    • Blade Profile: Curved and Stiff (Non-flexible)
    • Steel Composition: High-Carbon Japanese Steel
    • Rockwell Hardness: 53-54 HRC
    • Handle Construction: Dual-material Santoprene® and Polypropylene
    • Grip Properties: Textured finger points with integrated protective finger guard
    • Blade Width: 0.75 inches at the base
    • Spine Thickness: 2.3 mm
    • Manufacturing Origin: Taiwan
    • Certifications: NSF Listed for commercial food safety

    Specialized Butcher Applications

    • Heavy Poultry: Ideal for breaking down turkeys or large roasts where bone resistance is high.
    • Pork & Beef: Best for removing 'silver skin', trimming fat caps, and working around the hip or shoulder joints where a flexible blade would buckle.
    • Precision Trimming: The curved tip allows for 'scooping' actions around the bone to maximize yield and minimize waste.

    Care & Maintenance Protocols

    • Sanitization: Hand wash only with mild soap and warm water. High-heat commercial dishwashers can degrade the Santoprene handle texture over time and dull the fine edge.
    • Edge Maintenance: Use a ceramic or fine-cut honing steel daily to maintain alignment. Due to the 53-54 HRC, the blade is ductile and takes a new edge quickly during professional sharpening.
    • Storage: Use a blade guard or magnetic rack to protect the spear-point tip from chipping against other metal tools.

    Additional Info

    Blade Length (Inches) 6 in.
    Blade Length (mm) 152 mm
    Blade Width (inches) 0.75
    Grind 50/50 Bevel
    Steel Type X30Cr13
    Rockwell Hardness 53-54
    Stainless Yes
    Handle Material Santoprene/Polypropylene
    Spine Thickness (mm) 2.3
    Brand Mercer
    Country of Manufacture Taiwan
    SKU M23820
    Manufacturer's Part Number M23820
    Manufacturer's Suggested Retail Price $33.80

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