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M4 screws in various lengths that fit our handles, knobs, and fittings. A standard screw of 25 mm is generally included with all handles, knobs, and fittings. Purchase these additionally if you need a longer screw than the included 25 mm.
The screw length should be approximately 3–8 mm longer than the thickness of the cabinet door, depending somewhat on the material’s density, to ensure a stable and durable fastening.
Here is an overview of different screw lengths and the material thickness each length is best suited for:
- 25: 18–22 mm - Suitable for mounting handles or knobs on thinner cabinet doors or drawers. Many IKEA furniture pieces with thinner panels can use screws in this size.
- 30: 23–27 mm - For slightly thicker cabinet doors or drawer fronts, for example, in kitchens or bathrooms.
- 35: 28–32 mm - Screws in this size fit thicker drawers and doors, such as those in sturdier dressers or wardrobes. Especially suitable for slightly larger fittings on wardrobe doors with medium thickness.
- 40: 33–37 mm - This size often fits thicker, solid kitchen doors. Perfect for fittings on thicker materials that require longer screws for stability.
- 45: 38–42 mm - Ideal for mounting fittings on larger doors, such as wardrobes in solid wood. Can be used to attach handles on wooden furniture with thick fronts.
- 50: 43–47 mm - Used where extra-long screws are needed, for example, for solid wood doors. Also suitable for mounting where fittings go through multiple layers of material or thick decorative panels.
