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The Sukenari 240mm Gyuto, crafted from HAP40 steel, is one of the hardest alloys used for kitchen knives. It features a minimalist aesthetic paired with outstanding performance. The intrinsic toughness of this powdered steel allows for far thinner grinding than other steels, while maintaining sharpness far longer than most others. If you’re looking for a Japanese knife with exceptional edge retention, the Sukenari HAP40 series is a top contender.
Sukenari Hamono, established in 1933, is a high-end professional knife manufacturer based in Toyama, Japan. Led by third-generation blacksmith Nobuo Hanaki-san, this small forge is renowned for its ZDP189 and Shirogami #1 Honyaki knives, along with its excellent grinding and highly consistent heat-treatment.
Details
Brand/Maker: Sukenari
Location: Toyama, Japan
Knife Type: Gyuto (with Saya)
Construction Type: Sanmai | Stainless Clad
Steel: Hitachi HAP40
Steel Category: Semi-Stainless
HRC: ~68
Blade & Handle Specs
Total Length: 384mm
Blade Length: 232mm
Blade Height at Heel: 50.4mm
Spine Thickness:
At the handle: 2.5mm
At the heel: 2.5mm
Midway: 2.1mm
1cm from the tip: 0.9mm
Weight: 182g
Edge/bevel: 50:50
Handle: Octagonal rosewood
Ferrule: Blonde buffalo horn¹
Hand Orientation: Ambidextrous
Saya/Sheath: Included
Notes
¹ The blonde horn ferrule is a natural product, so color variation may occur.
The migaki finish is delicate and can be prone to fine scratches. Sliding the magnolia saya onto the blade may create minor hairline marks.
Japanese knives, such as this Sukenari HAP40 240mm Gyuto, require proper care. Please refer to our guide for maintenance recommendations.
Shipping & Returns
• Worldwide shipping from Tokyo • Dispatches within 24-48 hours • Full tracking from dispatch to delivery • 30-day returns on unused items Details
Care Guide
• Use whetstones for sharpening • Use wooden or rubber cutting boards • Keep clean and dry to prevent rust • Avoid cutting bones or frozen foods • Hand wash only - no dishwasher View Complete Care Guide
Why is the blade length different from the displayed size? The size in the product title is a nominal reference used by knife makers. The actual blade can be slightly longer or shorter due to handcrafting and traditional sizing. Each product page lists the exact measured length.
When will out-of-stock items be restocked? We carry limited, rotating stock. Once something sells out, we don't necessarily reorder it right away. It could be months before that item comes back, if at all. We bring in new knives regularly, but they're not always the same ones. Our newsletter is the best way to stay updated on new arrivals.
What payment methods do you accept? Visa, Mastercard, Amex, PayPal, Apple Pay, Google Pay, and Shop Pay. No cash on delivery.
