The finest needle in the Yellow Square line is this 18G dispensing needle for very small volumes and low viscosity liquids such as flux, glue and lubricant. Its 13 mm steel tube has a 1.2 mm outer diameter and a 1.02 mm channel, on a plastic base. The needle screws onto a syringe or dispenser through a threaded Luer Lock interface.
Specifications
| Parameter | Value |
|---|---|
| Gauge | 18G |
| Place in the line | Finest needle |
| Outer diameter | 1.2 mm |
| Inner diameter | 1.02 mm |
| Tube length | 13 mm |
| Interface | Luer Lock (threaded) |
| Material | Stainless steel tube, plastic base |
| For materials | Very small volumes and low viscosity liquids |
What you get
- Small doses — the 1.02 mm channel is meant for very small volumes.
- A slim tip — the 1.2 mm outer diameter reaches small parts easily.
- Control over runny materials — low viscosity flux and glue come out in small portions.
- A steel tube — stainless steel, 13 mm long.
- A threaded fitting — Luer Lock; the needle screws onto the syringe.
Who it suits
Electronics repair techs who need spot doses of flux next to small components, modellers, and 3D printing users who glue small parts with thin glue.
Who should skip it
For thick pastes and sealants the 1.02 mm channel is tight and the material takes a lot of force to push through; the line has wider gauges for those. There is no compatibility data for syringes without a Luer Lock interface.
Use and compatibility
Compatibility: syringes and dispensers with 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 dispensing needle. The listing does not say how many pieces are in the pack.
Questions and answers
Will this needle handle thick paste?
The needle is designed for very small volumes and low viscosity liquids; thick paste will be hard to push through the 1.02 mm channel. The line has wider gauges for thick materials.
How fine is the 18G needle?
Outer diameter 1.2 mm, inner diameter 1.02 mm. It is the finest needle in the line.
How long is the steel part?
The tube is 13 mm long. The maker does not give the overall needle length for this gauge.
Will it fit my dispenser?
If the dispenser or syringe has a standard Luer Lock interface, yes: the needle screws onto the thread.
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