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Home | Japanese Kitchen Knives | Sakai Kikumori Nakagawa x BC 150mm Petty Aogami 1 Kurouchi Burnt Chest

Sakai Kikumori Nakagawa x BC 150mm Petty Aogami 1 Kurouchi Burnt Chestnut with Saya

$362.00
$362.00
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We are proud to introduce as the sole North American retailer, knives done as a collaboration between Sakai Kikumori and Nakagawa Hamono. Inspired by a conversation with Bernal Cutlery’s Lisa and Josh and Sakai Kikumori. Kawamura-san at Kikumori asked what we would like to see, and shirogami 1 and aogami 1 kurouchi pettys from Nakagawa Hamono came to mind.

These knives represent a blend of the rustic and the refined. They have a dark forge-scale kurouchi finish and exceptionally thin grinds to support the superb forging. Nakagawa-san's smithing is characterized by thorough heat treatment with excellent heat control during forging.  The result are knives that have remarkable edge formation and edge retention while remaining tough.

Aogami 1 is a low contaminate carbon steel with tungsten as a main alloy ingredient. Sometimes, Aogami 1 is overshadowed by its sibling, aogami super, which has a higher alloy content that includes vanadium for long edge life. Aogami 1 has better edge formation and typically works better at finer finishes than the busier aogami super. Nakagawa-san’s aogami 1 has a nice blend of edge life, toughness, and edge formation. Nakagawa-san’s aogami 1 has a bitey feeling even at finer finishes that can often leave aogami steels feeling sterile or slidey. Nakagawa’s aogami 1 also works very nicely with a variety of natural stones.

These have a natural (as opposed to chemically applied) kurouchi finish which will include some hammer marks and rougher cosmetic grinder marks. When cared for properly, the kurouchi will gradually fade and be replaced with a patina from use. 

When new, the burnt chestnut handle may transfer to your hands.

Sakai Kikumori was started in 1926 and draws on Sakai's 600 year history as the major center of traditional Japanese cutlery manufacturing. They work with a large variety of Sakai's best smiths, sharpeners and small factories to offer a wide variety of knives ranging from traditional to modern.

 



About This Knife

General Purpose

Good for veggies and boneless protein

Avoid Bones & Dense Foods

If you can't bite it, don't cut it.

Iron Clad Carbon

Reactive core steel between two reactive layers.

Wide Kireba Bevel

Smooth, robust cutting feel.

Ambidextrous

Suitable for all users.

Petty

A small utility knife used for delicate work like peeling, trimming, and slicing small produce or herbs.

Listed Length: 150mm
Total Length: 279mm
Edge Length: 142mm
Heel Height: 28mm
Spine Thickness: 2.92mm
Weight:
Orientation: Ambidextrous

Blade Type: Carbon Steel
Steel Type: Aogami 1 (Blue Paper #1)
Steel Hardness (HRC): 63-64
Reactive: More Attention
Handle Type: Japanese (wa)
Handle Material: Burnt Chestnut & Horn Ferrule

  • This is a carbon steel knife made from thin, hard steel.
  • Hand wash and towel dry after use. Do not air dry or place in the dishwasher.
  • Expect oxidation (color change, staining, spotting) with use.
  • Prolonged exposure to moisture or food debris will cause rust; remove any rust with a light abrasive.
  • Remove surface rust gently with a mild abrasive and progress to more aggressive abrasives if needed. Coarse abrasives will leave scratches in most finishes.
  • Avoid twisting, scraping, or use on dense or hard foods and surfaces to avoid early dulling and edge damage. If you wouldn't bite into it, don't cut it with this knife.
  • Use on wooden cutting boards only. Do not use bamboo, plastic, stone or metal cutting surfaces.

Dive Deeper

Medium-fine finish

We recommend sharpening by hand using whetstones starting around 1000 grit progressing to at least 4000 for this steel type and edge geometry. Finish with a monodiachrome strop for a smooth cut with a substantial bite. Finer finishes are possible, but the knife may slide on smooth foods and overall edge retention may suffer. During repair, use a super coarse stone to pass chips quickly to help keep flat bevels.

  • Avoid pull-through sharpeners and non-water-cooled mechanized systems.
  • Strops and ceramic honing rods are preferred for as-needed edge maintenance. If you have to use a honing rod to be able to use the knife comfortably, it's time to sharpen the knife.

Sharpening Supplies

Stones & Accessories selected specifically for this knife.

Arato-kun #220 Extra Coarse Grit Whetstone

Arato-kun #220 Extra Coarse Grit Whetstone

$34.00
$34.00
Bernal Cutlery Takarazukushi 1200 Grit Blue Marble Semi-Soft Ceramic Japanese Whetstone

Bernal Cutlery Takarazukushi 1200 Grit Blue Marble Semi-Soft Ceramic Japanese Whetstone

$74.00
$74.00
Bernal Cutlery Takarazukushi 4000 Grit Yellow Semi-Hard Resinoid Japanese Whetstone

Bernal Cutlery Takarazukushi 4000 Grit Yellow Semi-Hard Resinoid Japanese Whetstone

$82.00
$82.00
Arashiyama #6000 Whetstone Stone NO Wooden Base

Arashiyama #6000 Whetstone Stone NO Wooden Base

$58.00
$58.00
Arashiyama #6000 Whetstone With Nagura Stone and Wooden Base

Arashiyama #6000 Whetstone With Nagura Stone and Wooden Base

$62.00
$62.00
Bernal Cutlery Monodiachrome™ Precharged Deburring Strop

Bernal Cutlery Monodiachrome™ Precharged Deburring Strop

$40.00
$40.00



Aogami 1 (Blue Paper #1)

Carbon (C): 1.3–1.4%| Tungsten (W): 1.5–2.0%| Chromium (Cr): 0.3–0.5%

Aogami 1 is a high|carbon tool steel (~1.3–1.4% C) with tungsten and chromium additions that enhance hardness and wear resistance. It’s capable of ~65 HRC and maintains excellent edge retention with moderate toughness. The steel sharpens cleanly, forms an exceptionally fine edge, and is common in top|end Japanese kitchen knives. Like other Aogami steels, it rusts easily and requires attentive care.