Caps, Screw Top, with Silicone Rubber / PTFE Pre-Slit Septa, fitted in "knurled", polypropylene, Black Caps. For use with 8-425mm thread, 12x32mm autosampler vials. BASIK Brand. 100/PK.
Additional Info:
The 9582S‑03‑B BASIK™ Screw Caps are selected for chromatography workflows requiring easier autosampler needle alignment and dependable sealing performance. The wider opening design provides a larger target area for autosampler needles, making these caps especially useful with narrow mouth 2 mL autosampler vials.
Manufactured with black knurled polypropylene caps and fitted silicone rubber/PTFE pre‑slit septa, these caps are designed for use with standard 8‑425 thread, 12 × 32 mm autosampler vials commonly used in HPLC and GC laboratories.
Wide Opening Septa Design
Wider septa opening configuration
Larger target area for autosampler needles
Easier needle alignment
Designed for narrow mouth vial applications
✅ Improved autosampler needle targeting
Pre‑Slit Septa Configuration
Silicone rubber/PTFE pre‑slit septa
Easier needle penetration
Reliable resealing performance
Suitable for repeated injections
✅ Consistent autosampler operation
Standard 8‑425 Compatibility
Fits 8‑425 screw thread vials
Compatible with:
12 × 32 mm autosampler vials
Narrow mouth 2 mL autosampler vials
Industry standard autosampler formats
✅ Broad autosampler compatibility
Knurled Polypropylene Caps
Black polypropylene construction
Knurled exterior improves:
Grip
Installation
Removal
Reliable sealing performance
✅ Convenient laboratory handling
Routine Chromatography Applications
Suitable for:
HPLC analysis
GC workflows
Routine analytical testing
Narrow mouth vial applications
✅ Ideal for everyday chromatography workflows
✅ Also available: Case Quantity BASIK™ 9582S‑03‑B Screw Caps