Description
20 pieces robust expansion sleeve with internal thread M4, made of solid and robust brass, surface: brass, 9003402, size: 7.5 mm (19/64″)
Application:
Practical spread-threaded insert for wooden parts, furniture joints and much more.
The compact expansion sleeve 9003402 made of high-quality brass was specially developed for stable screw connections in wood.
With an outer diameter of 5.5 mm (7/32″) and a length of 7.5 mm (19/64″), it is perfect for precise applications in furniture making, interior design or model making.
When an M4 screw is screwed in, the socket spreads in the prepared drill hole and anchors itself securely in the material.
The robust brass ensures high pull-out strength and durability – even with repeated use.
Advantages:
– Quick and safe assembly
– No damage to the workpiece due to external threads
– Ideal for removable furniture connections- Rust protection due to zinc
plating- Flange prevents slipping into the material
This expansion sleeve is the perfect choice for all those who rely on reliable, detachable connections in the wood.
The expansion sleeves are also suitable for repairs or retrofits on existing furniture.
The high-quality expansion sleeves 9003402 are perfect for, among other things:
- Dazzle
- Achieve
- Wooden structures
- Wooden case
- DIY project with wooden panels
- Home improvement project
- Wood
- Furniture Connections
Technical details:
- Weight: 1 g
- Size: 7.5 mm (19/64″)
- Easy installation, practical, stable
- Female thread: M4
- The socket is available in three thread variants: M4 and M6
- Suitable for solid wood and wood-based materials
- No turning thanks to spreading mechanism
- Corrosion-resistant and durable
- Easy processing without special tools
- Ideal for furniture making, wood joints and repairs
- Brass
- massive
- robust
- high brand quality from UMAXO®
Surface:
- Brass
- The brass surface gives parts, components and furniture fittings a classy, timeless look that goes well with classic and modern designs
- It has a warm vibe that enhances spaces and gives a sense of luxury
- In addition, the colour nuance can be combined in a variety of ways with other materials such as wood or glass
Assembly:
- The expansion socket with internal thread M4 is designed for pressing into a drill hole
- The expansion sleeves are inserted into a pre-drilled hole, with self-anchoring by spreading when screwed in
- For optimal grip, we recommend a drill diameter of 5.0 to 5.2 mm – depending on the type of wood
- The drilling depth should be 7.5 mm (19/64″) (see assembly drawing for more details)

Dimensions:
- Length of expansion sleeve: 7.5 mm (19/64″)
- Outer Diameter: ⌀5.5 mm (7/32″)
- Female thread: M4

For more dimensions and details, see technical drawing.
Material:
- The expansion sleeves 9003402 are made of solid and robust brass
- Brass components, fasteners and furniture fittings are particularly durable and corrosion-resistant, making them ideal for long-term use
- They offer an elegant, timeless look that is equally appealing in classic and modern interior styles
- In addition, brass is ideal for hygienic applications due to its antibacterial properties
Included in delivery:
- 20 pieces expansion sleeve with internal thread M4 9003402 made of solid and robust brass, brass
Manufacturer’s part numbers:
- Article ID: 9003402
- EAN number: 8432393123714
Manufacturer: EMUCA