BD Ultra-Fine Pen Needles 4mm & 5mm
- BD Ultra-Fine pen needles, individually sealed and sterile.
- Compatible with Helix single-chamber cartridge pens.
- Available in 31G (0.25mm) x 5mm and 32G (0.23mm) x 4mm.
- Sold in packs of 10, for laboratory and research use only.
Product Overview
BD Ultra-Fine pen needles, sterile and single-use, for handling reconstituted peptide solutions in research applications.
Research applications: handling of peptide solutions, pen-device compatibility testing.
Available in 4mm (32G) and 5mm (31G). Thin-wall design for minimal resistance. Individually sealed, sterile until first use.
For research use only.
Specifications
Shipping & Delivery
Shipping regions, carriers, and lead times vary by destination. If you are unsure whether we currently ship to your region, contact us before ordering.
Tracking is provided once your order is dispatched.
Returns & Refund Policy
Unopened products can be returned within 14 days of delivery for a refund.
If your order arrives damaged, contact us within 72 hours (3 business days) of delivery so we can resolve it.
Return shipping for non-defective returns is the customer's responsibility. See our Refund Policy for full details.
Frequently Asked
Which pen needle size should I use?
31G (0.25mm) x 5mm and 32G (0.23mm) x 4mm are both compatible with Helix single-chamber cartridge pens. Refer to your pen's documentation or batch records to confirm the correct fit.
Are the needles sterile?
Yes, each needle is individually sealed and sterile until opened. Discard after each use.
Do you ship internationally?
Shipping regions, carriers, and lead times vary by destination. If you are unsure whether we currently ship to your region, contact us before ordering.
Is bulk or wholesale ordering available?
Bulk and wholesale quantities can be arranged for qualified research institutions and B2B accounts. B2B pricing is quoted in USD, contact Helix directly for volume documentation and lead times.
What is the intended use of this product?
This product is sold strictly for laboratory research and non-clinical scientific applications. It is not intended for human or veterinary consumption, and Helix makes no claims regarding use outside a research setting.