Solid ash wave cabinet knob in the Unfinished finish, front view

Wave Cabinet Knob, Solid Ash

Unfinished
£5.00
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Solid ash wave cabinet knob in the Unfinished finish, front view
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  • Solid ash wave cabinet knob in the Unfinished finish, front view
  • Solid ash wave cabinet knob, front view
  • Unfinished solid ash wave cabinet knob seen from the front, showing the domed centre and the ridges around it
  • Back of an unfinished wave cabinet knob showing the base and the threaded metal insert, with a Green knob and the mounting hardware behind
  • Unfinished solid ash wave cabinet knob seen at an angle, with the base visible behind it
  • Wave cabinet knob in the Green finish seen at an angle, with the base visible behind it
  • Wave cabinet knob in the Green finish on a white background, showing the domed centre and the ridges
  • Unfinished and Green wave cabinet knobs beside the mounting hardware, on a grey background
  • Dimensioned drawing of the wave cabinet knob: 60 mm wide, 40 mm high, 22 mm deep, 13 mm base
Wave Cabinet Knob, Solid Ash

Wave Cabinet Knob, Solid Ash

£5.00

A wave cabinet knob, 60 mm wide, carved from a single block of solid ash. Sold individually, in twelve finishes.

The middle of the face swells into a dome and a series of soft ridges run round it, one inside the other, like the last ripples after something has been dropped in water. Nothing on it is cut square — the ridges rise and fall with no edge to catch, so the whole knob is smooth under the hand even though it is the busiest surface we make. Wider than it is tall, it belongs on a drawer front rather than a narrow door.
Product details

A wave cabinet knob in solid ash, 60 × 40 mm, with a domed centre and concentric ridges. 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: 60 × 40 mm (2.4″ × 1.6″), carved
  • 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 knob level.
  4. Finish with a quarter turn of a screwdriver — no more. Overtightening pulls the insert out of the wood.

The ridges run round the dome rather than across the knob, so small rotations are forgiving here — what matters is that the long axis stays horizontal. At 60 mm wide, check the clearance to the edge of a narrow drawer before you drill. 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. Every ridge on this knob is a curve in two directions at once, which no sanding block will follow — the whole face is worked by hand until the light runs across it without breaking. The ridges cross the grain at a different angle at every point, so a single knob shows the figure changing four or five times across 60 mm.
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.

The hollows between the ridges are shallow and open, so a cloth reaches them without trouble. Unfinished knobs have no coating and darken with handling, the crest of the dome first.

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