Overview

The Shibata Koutetsu SG2 Migaki 180mm Bunka is a lightweight, high-performance Japanese kitchen knife built for cooks who want laser-like cutting feel without the maintenance demands of carbon steel. Made from SG2 powdered stainless steel with stainless cladding, this bunka is known for excellent edge retention, clean food release, and a thin, aggressive profile that moves through vegetables, herbs, boneless proteins, and everyday prep with very little resistance. The migaki finish keeps the look clean and refined, while the reverse tanto-style bunka tip adds extra precision for detail work.

This knife is especially appealing for users who want elite cutting performance in a compact format. A bunka combines the versatility of a santoku with a more pointed tip, so it feels nimble on the board while still giving you enough edge length for serious prep. Shibata’s Koutetsu line is famous for its thin geometry and crisp cutting feel, making this a strong choice for experienced home cooks, enthusiasts, and professionals who appreciate a true laser.

Specifications

Maker: Shibata Takayuki

Region: Hiroshima, Japan

Knife Type: Bunka

Core Steel: SG2 / R2 powdered stainless steel

Cladding Type: Stainless clad

Finish: Migaki

Blade Length: 181.5mm

Overall Length: 324mm

Height at Heel: 51.1mm

Spine Thickness (Heel): 2mm

Spine Thickness (Middle): 2mm

Spine Thickness (Behind Tip): 0.51mm

Weight: 135g

Handle Material: Rosewood octagonal handle

Hardness (HRC): 62-63

Bevel: Double bevel

Measurement Note: The dimensions above were measured by Tokushu Knife staff on April 4, 2026. Handmade knives may vary slightly from knife to knife.

Common Questions

Q: What is this knife best used for?

A: This 180mm bunka is an excellent all-purpose prep knife for vegetables, herbs, fruits, boneless meats, and proteins. Its tall blade gives useful knuckle clearance, while the pointed bunka tip helps with precision cuts, trimming, and detail work.

Q: Is the Shibata Koutetsu SG2 Bunka suitable for home cooks?

A: Yes, especially for home cooks who want a premium Japanese knife that holds an edge for a long time and offers very high cutting performance. SG2 stainless steel is easier to care for than reactive carbon steel, but this knife is still thin and hard, so it should be used with proper technique and on a knife-friendly cutting surface.

Q: How do I care for this knife?

A: Hand wash only, dry it after use, and avoid frozen foods, bones, hard squash, or twisting cuts. A soft wood or Hasegawa Pro Cutting Board helps protect the edge. For ongoing maintenance, light stropping on a leather strop can help keep the edge lively between sharpenings, and when it is time for a full edge refresh, proper whetstone sharpening is recommended.