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Home | Japanese Knives by Shape | Naozumi Chukka Bocho 220mm Chinese Cleaver Carbon

Naozumi Chukka Bocho 220mm Chinese Cleaver Carbon

£92.94
£92.94
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An approachable introduction to both Chinese-style cleavers and carbon steel knives. The SK steel is a tougher variety of carbon steel that still sharpens nicely and is slower to react.

This 220mm version is the larger of the two sizes.

All-around Use

Can handle almost any kitchen task.

Light Butchery OK

Safe for use around bones.

Carbon Steel

Reactive blade.

Convex Grind

Super smooth cutting feel.

60/40

Slight right-hand bias.

Chinese Style Cleaver

A Chinese-style cleaver is a broad, rectangular kitchen knife designed as an all-purpose prep tool, capable of nimble slicing, chopping, crushing, and scooping. While thinner than a Western meat cleaver, its sturdy spine and balanced weight allow it to withstand light butchery tasks such as portioning poultry, separating ribs, or cutting through small joints while still excelling at vegetables, herbs, aromatics, and everyday cooking.

Listed Length: 220mm
Total Length: 335mm
Edge Length: 225mm
Heel Height: 91mm
Spine Thickness: 2.9mm
Weight:
Orientation: Right-hand Bias

Blade Type: Carbon Steel
Steel Type: SK4 Carbon Steel (JIS SK4)
Steel Hardness (HRC):
Maintenance: More Attention
Handle Type: Western
Handle Material: Pakka

  • 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 - Japanese

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

£25.90
£25.90
Bernal Cutlery Takarazukushi 1200 Grit Blue Marble Semi-Soft Ceramic Japanese Whetstone

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

£56.37
£56.37
Bernal Cutlery Takarazukushi 4000 Grit Yellow Semi-Hard Resinoid Japanese Whetstone

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

£62.47
£62.47
Arashiyama #6000 Whetstone Stone NO Wooden Base

Arashiyama #6000 Whetstone Stone NO Wooden Base

£44.18
£44.18
Arashiyama #6000 Whetstone With Nagura Stone and Wooden Base

Arashiyama #6000 Whetstone With Nagura Stone and Wooden Base

£47.23
£47.23
Bernal Cutlery Monodiachrome™ Precharged Deburring Strop

Bernal Cutlery Monodiachrome™ Precharged Deburring Strop

£30.47
£30.47

SK4 Carbon Steel (JIS SK4)

Carbon (C): 0.9%| Manganese (Mn): 0.5%| Silicon (Si): 0.25%| Phosphorus/Sulfur: trace

A simple Japanese carbon steel (~0.9% C) similar to 1095, SK4 offers good hardness and sharpness with basic heat treatment. Typically hardened around 60 HRC, it’s affordable and tough, often used for utility and entry-level blades. Fully reactive, it patinas quickly but sharpens easily.

About Naozumi


Naozumi is a Japanese knife brand known for its strong ties to blacksmiths and sharpeners across Japan. Rather than forging their own blades, Naozumi focuses on sourcing and assembling knives from respected regional craftspeople, combining consistent quality control with an eye for performance and character. The result is a lineup of practical, well-made tools that reflect the strength of collaborative craftsmanship.

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