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Knife blade design in a working knife shop

Blade Design

The Nakiri: The Vegetable Specialist

The nakiri from a maker's bench: why the cleaver shape with knife-thin geometry rules vegetables, flat-edge discipline, steel and grind choices.

2 min readWritten by Rich LinvilleFree to read

The nakiri looks like a small cleaver and cuts like a razor: a rectangular, flat-edged vegetable specialist that push-cuts straight down through produce with zero rocking and zero accordion-cut onions. It is the easiest Japanese pattern to build well — no tip to break, no belly to sweep — and the one that converts skeptical home cooks fastest. The catch: its flatness is a precision spec.

WHY THE SHAPE WORKS

Vegetables fail by wedging and by incomplete cuts — the hinge of skin the rocking chef’s knife leaves at the board. The nakiri answers both: a dead-flat edge meets the board along its whole length (no hinge survives), and knife-thin geometry — this is NOT a cleaver; it is a thin blade wearing a cleaver’s outline — parts dense produce without wedging. Height (~50mm / 2 inches) adds knuckle room and a food-moving blade face. The tall flat profile is also the easiest edge in the kitchen to sharpen: no belly transition, no tip taper — just a straight run on the stones.

Thin rectangular nakiri with a pale wooden handle lying on a dark board on a worn shop bench.

THE BUILD SHEET

Blade: 165-180mm (6.5-7 inches) long, ~50mm tall, from 3/32-or-thinner stock. Behind the edge: 0.010-0.015 like its gyuto sibling, full flat or gentle convex grind, 10-15 dps per the angle guide. The precision spec: the edge must BE flat — a 1/32 hollow in the middle leaves that hinge in every cut, and a rocker leaves the ends hanging. True the edge line against the platen with the blade dead-flat on the work table, then check on a surface plate against light. Corners get eased just enough to stop being snag points.

Gloved hand holds an unsharpened nakiri blank upright by the tang with its straight edge resting on a granite surface plate.

STEEL AND FINISH

Same hard-fine logic as all thin kitchen work: AEB-L/14C28N stainless at 61-62, 26C3 or 1084 for the carbon crowd, and the nakiri’s broad flat faces are the natural canvas for finishes — migaki polish, forced patina, tsuchime hammer texture (real food-release function on a face this tall), or a vivid hamon on W2 for the showpiece.

Two nakiri on a dark bench, one polished and one with shallow hammered dimples above a smooth edge bevel.

THE HONEST SALES TALK

The nakiri is a specialist: it does not rock, does not pierce, does not butcher — it turns produce into confetti and that is the whole job. Sell it as the second knife beside a gyuto (the classic pairing), pitch it to the vegetable-heavy cook, and let the flat-edge demo close the deal: one full-length push cut through an onion, no hinge, no accordion. That cut is the product.

Gloved hand pushes a nakiri straight down through a zucchini on an oak board, two slices cut off in front of the blade.

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