Product Description
VialMAX™ Pre-slit Screw-caps for 2mL Autosampler Vials, Case of 1000 (10 packs of 100)
Pre-Slit 9mm Screw Caps for 2mL Autosampler Vials, 9-425
A solid septum under a hard needle strike can core, shed particles, or build vacuum in the vial. These VialMAX pre-slit screw caps let the needle pass through cleanly, and they come preassembled so you go straight from vial prep to the tray. Ships from our Maryland warehouse, with real people on the phone if you need help.
No hidden fees, ever: free ground shipping, no handling fees, no surprise surcharges. Just the product and a clean invoice!
Specifications
| Spec | Detail |
|---|---|
| Diameter | 9mm |
| Thread | 9-425 |
| Cap material | Polypropylene (PP) |
| Septa | Pre-slit PTFE/silicone, preassembled |
| Cap color | SPEC NEEDED |
| Septa color | SPEC NEEDED |
| Bonded or press-fit | SPEC NEEDED |
| Packaging | Case of 1,000 (10 packs of 100) |
Key Features
- Pre-slit septa for clean needle entry and fewer cored septa
- Helps prevent vacuum buildup during repeated draws
- Preassembled caps and septa save bench time
- Polypropylene cap, standard 9-425 threading for 2mL vials
Recommended Applications
- HPLC and LCMS sequences with multiple injections per vial
- High-throughput cannabis potency testing
- Autosamplers with fine-gauge needles prone to bending or coring
- Pharmaceutical, toxicology and environmental QC
Compatible With
2mL autosampler vials with 9-425 threading, including our VialMAX 2mL clear and amber screw-top vials and our 300µL fused-insert vials. We have not confirmed a brand-for-brand cross-reference yet, so none is listed.
FAQ
Pre-slit or non-slit: which should I choose?
Pre-slit is better for multiple injections from the same vial and for protecting needles. Non-slit gives a tighter seal for volatile samples or longer storage.
What vials do these fit?
Any 2mL autosampler vial with 9-425 threading.
What's the septa material?
Pre-slit PTFE/silicone, preassembled in the cap.
Are the septa bonded to the cap?
SPEC NEEDED. They come preassembled.
What's in a case?
1,000 caps, packed as 10 packs of 100.
