1.5mL Screw Neck ND9

300µL Glass Polyspring Bottom Insert for 9-425 Vials (29×5.7 mm)

Catalog #: Chromatography Autosampler Vial Inserts

Noke conical inserts with polymer feet minimize dead volume and cushion autosampler needles.

Available SKUs

Model Specification MOQ
NKIF-250-I 250 µL Polyspring Conical Bottom Micro Insert for 9-425 Vials, Polymer Feet 1 pk
Ships within 5-7 business days
Certificate of Analysis included
Quality guaranteed

Product Overview

Noke conical inserts with polymer feet minimize dead volume and cushion autosampler needles.

Research Applications

  • Noke vial inserts are ideal for samples under 2 mL, maximizing injection volume.
  • Available in polyspring conical, pulled-point conical, or flat-bottom designs.
  • Consistent inner dimensions for reliable autosampler performance.
  • Available in convenient 100 pcs packaging (bag or box option).
  • Suitable for HPLC, GC, LC-MS and GC-MS applications in pharmaceutical, environmental and research laboratories.

Key Features

  • NokeLab is a trusted factory manufacturer of chromatography vials and caps/septa, known for stable quality, competitive pricing, and fast OEM service.

Technical Support

Our team of product experts is available to assist with your research needs.

Contact Support

OEM Services

Need modifications or larger quantities? Request a custom synthesis quote.

Request Custom
Item Type Vial Insert
Bottom Type 300µL Polyspring Insert
Capacity 300 µL
Material Borosilicate glass
Height (Metric) 29 mm
Outside Diameter (Metric) 5.7 mm
For Use Wide-Opening 2mL Vials (9-425)
Technique GC, GC & GC/MS, LC, LC/MS

Need OEM or a Custom Configuration?

We support practical, production-ready customization for vials, caps, and septa. Share your autosampler type, dimensions, septa preference, and packaging needs—our team will confirm feasibility and lead time.