Solid ash scooped square cabinet knob in the Unfinished finish, front view

Scooped Square Cabinet Knob, Solid Ash

Unfinished
£5.00
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Solid ash scooped square cabinet knob in the Unfinished finish, front view
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Scooped Square Cabinet Knob, Solid Ash

£5.00

A square cabinet knob with one corner rounded away, 44 mm across, cut from a single block of solid ash. Sold individually, in twelve finishes.

The face is scooped into a shallow dish, so a shape that would otherwise be a flat square catches the light along a curve instead. Three corners stay square and line up with the edges of a door; the fourth is rounded off, which is where the finger goes in. Mounted with the rounded corner at the bottom it reads as a small scoop; turned the other way it reads as a square. Either is correct — decide before you tighten the screw.

Product details

A square cabinet knob in solid ash with one rounded corner and a scooped face, 44 × 44 mm. Sold individually, in twelve finishes.

In the box: one knob with the threaded metal insert already fitted, and one M4 × 30 mm screw.

Dimensions and specifications
  • Wood: solid ash, cut from a single block, no glued joints
  • Face: 44 × 44 mm (1.7″ × 1.7″)
  • Total depth from the door: 22 mm (0.9″)
  • Base: 13 mm
  • Tolerance: ±1 mm
  • Mounting hole required: 4 mm
  • Fits door and drawer fronts up to 24 mm thick
  • Included: one M4 × 30 mm screw, threaded metal insert fitted in the knob
  • Weight: 30–40 g, depending on the piece of ash
  • Finish: ADLER Legno Dura-Öl, an oil-based finish — ten colours plus Oiled. Unfinished is bare sanded ash, with no coating at all
  • Sold individually
Mounting
  1. Check that your door already has a mounting hole. If not, drill a 4 mm hole through the front.
  2. Pass the M4 × 30 mm screw through the hole from the back of the door.
  3. Thread the screw into the metal insert in the knob and tighten by hand, holding the two square edges parallel to the edges of the door.
  4. Finish with a quarter turn of a screwdriver — no more. Overtightening pulls the insert out of the wood.

Straight edges show every degree of tilt, far more than a round knob does, so sight the knob against the edge of the door before the screw grips. Fitting several on the same run: keep the rounded corner facing the same way on all of them. If your door is thinner than 24 mm, the screw will stand proud inside the insert; that is normal and does not affect how the knob holds.

Materials & workshop

Wood: solid ash, single block. Hardware: threaded metal insert and M4 × 30 mm screw.

Eleven of the twelve finishes use ADLER Legno Dura-Öl, an Austrian oil-based finish. It leaves a matt, open-pored surface — the colour sits in the wood rather than on top of it, so a green knob still reads as ash and not as painted board — while resisting water and household chemicals the way a varnish would. The oil is certified to EN 71-3 for the migration of heavy metals, and to DIN 53160-1 and 53160-2 for saliva and perspiration resistance. The twelfth option, Unfinished, is bare sanded ash with no coating; it is the palest of the set and darkens with handling.

Cut, shaped, sanded and finished in our own workshop in Roman, Romania. A square is the least forgiving shape to make by hand: the three corners have to stay crisp while the dish in the face and the rounded fourth corner are worked in, and the arrises are broken just enough that nothing catches a sleeve. The dish cuts across the grain, so each knob shows a different set of lines inside it; if you are fitting a whole run, order them together and we will cut them from the same board where we can.

Care

Wipe with a dry or barely damp cloth. The oil finish resists water and household cleaners, so no special product is needed and none is recommended.

Unfinished knobs have no coating. The dish in the face is where the hand lands, so it will darken before the rest of the surface does. If you would rather it did not, oil them yourself before fitting.

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