Dispensing Needles TT27G(ø0.4) Dark Blue Opaque

Medical-grade 27-gauge (0.4mm) dispensing needles TT27G designed for precise delivery of medications, vaccines, or biological fluids. The dark blue color-coding facilitates quick identification in clinical settings. Ideal for subcutaneous injections, fine aspiration procedures, or delicate tissue applications where minimal trauma is required.

SPECIFICATIONS

Technical Parameters

Technical Specifications

Parameter	Value / Description
Product Name	Dispensing Needles TT27G
SKU Example	TT27G (ø0.4 mm) Dark Blue Opaque
Gauge Size	27G
Inner Diameter (ID)	0.40 mm
Outer Diameter (OD)	~0.45–0.46 mm
Needle Length Options	13 mm (½ inch), 19 mm (¾ inch), 25 mm (1 inch); custom lengths available
Material – Cannula	Surgical stainless steel, ISO 9626 compliant
Material – Hub	Medical-grade polypropylene, dark blue opaque, ISO 6009 coded
Connection Type	Luer-lock / Luer-slip compatible
Sterilization Method	EO (Ethylene Oxide) sterilized
Packaging	Individually sealed blister packs, 100 pcs/box
Single-Use	Yes
Certification	ISO 13485, CE marking, FDA compliance (region dependent)
Shelf Life	3–5 years when stored under recommended conditions

Precision Micro-Dispensing for Delicate Applications

Engineered for ultra-fine fluid control, our TT27G Dark Blue dispensing needles feature a precision 0.4mm inner diameter, making them perfect for microelectronics, medical device assembly, and precision optical applications requiring meticulous material placement.

Key Advantages:
✔ 0.4mm ultra-fine bore – Delivers pinpoint accuracy for micro-dot dispensing
✔ Medical-grade dark blue polymer – Excellent chemical resistance for biocompatible applications
✔ Enhanced rigidity – Prevents flexing during automated precision dispensing
✔ Opaque UV-blocking material – Protects light-cured adhesives during processing
✔ Tapered anti-clog design – Maintains consistent flow for low-viscosity fluids

Technical Excellence:
– Manufactured from high-density polyethylene (HDPE) for superior fluid compatibility
– Operating range: -30°C to 80°C for versatile application environments
– Optimized for cyanoacrylates, UV adhesives, and conductive inks
– Color-coded dark blue for quick identification in multi-needle setups

Ideal Applications:
– Microchip underfill and SMT component bonding
– Medical catheter assembly and microfluidic devices
– Watchmaking and precision instrument repair
– OLED display manufacturing and micro-optics

Dispensing needles TT27G, precision design, to achieve microscopic precision

The TT27G series combines sub-millimeter precision with exceptional durability to handle the most demanding micro-dispensing challenges. The dark blue opaque construction ensures material protection while providing excellent visibility against light-colored work surfaces.
Where every micron matters – trust TT27G for flawless micro-deposition.

Technical Note: Features Luer-lock compatibility for leak-free connections to precision dispensing systems.

FEATURES

Customization Advantages

Precision engineering for complex medical applications

Geometry Expertise

J-hooks, helical coils, side ports, multi-lumen structures, or patient-specific bends. Micro-barb retention elements, fluid channels (≥50μm ID), or directional drug delivery windows.

Advanced Manufacturing

Laser micromachining precision ±5μm. Electroforming for seamless tapered transitions. Nitinol shape-memory integration for steerable functionality.

Rapid Prototyping

Surgical-grade steel / PEEK 3D-printed prototypes delivered within 72 hours. CFD and structural simulation reports to accelerate product validation.

Ready to Discuss Your Custom Requirements?

Our application engineering team is ready to provide expert support at every step.