For drop-by-drop dosing of flux and glue, Flusenko has the finest needle in its line: 18G. It has a 1.2 mm outer diameter, a 1.02 mm channel and a 13 mm stainless steel tube. The needle screws onto a syringe or dispenser with a standard Luer Lock interface and also applies pastes, lubricants and sealants in soldering and 3D printing.
Specifications
| Item | Data |
|---|---|
| Size (gauge) | 18G, finest in the line |
| Channel | 1.02 mm |
| Outer diameter | 1.2 mm |
| Tube | Stainless steel, 13 mm |
| Base | Plastic |
| Fitting | Luer Lock, threaded |
| Materials | Very small volumes, low viscosity liquids |
What you get
- A drop, not a puddle — the 1.02 mm channel delivers flux in small portions.
- Access to tiny pads — 1.2 mm outer diameter.
- A needle held by the thread — threaded Luer Lock fitting.
- A steel tube — stainless steel, 13 mm long.
- More than flux — glue, pastes, lubricants and sealants in small doses too.
Who it suits
People soldering small components who want to place flux in spots instead of flooding the board, plus modellers and 3D printing users who need a small dose of thin glue.
Who should skip it
For thick flux paste or sealant, the 1.02 mm channel is too narrow and a wider gauge is easier to work with. Syringes without a Luer Lock interface are not covered by the product data.
Use and compatibility
The needle is compatible with syringes and dispensers that have a standard Luer Lock interface. Use: precise dosing of flux and glue, applying pastes, lubricants and sealants, electronics repair and soldering, 3D printing and modelling.
What’s in the box
An 18G Luer Lock needle. The maker does not give the number of pieces in the pack.
Questions and answers
Won’t such a fine needle clog with flux?
The 1.02 mm channel is narrow, so dried flux can block it. Flush the needle after work and do not leave it on a flux syringe for long.
Which flux is the 18G needle for?
Thin, low viscosity flux and very small doses. Thick flux paste is easier to apply with a wider gauge.
How does the needle attach?
It screws onto syringes and dispensers with a standard Luer Lock interface.
What are the needle dimensions?
Outer diameter 1.2 mm, channel 1.02 mm, steel tube 13 mm.







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