BD Ultra-Fine Insulin Pen Needles 31G 5mm – 100 Count | Diabetic Pen Needles
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BD Ultra-Fine 31G 5mm Pen Needles — Short, Thin & Comfortable
BD (Becton Dickinson) Ultra-Fine™ pen needles (31G × 5mm) are engineered for comfort and precision. The short, thin design helps make daily insulin injections smoother and easier — a dependable everyday choice for people managing diabetes and those using GLP-1 pen injectors. Each box contains 100 individually sealed, single-use needles.
Compatible With Most Insulin & GLP-1 Pen Injectors
These universal-fit needles work with most major insulin pens and most GLP-1 pen injectors. Always confirm compatibility with your specific pen and follow your device's instructions for use.
Key Features & Benefits
- 31G × 5mm: short, thin needles designed for a comfortable injection.
- Trusted BD quality: from a long-established diabetes-care brand.
- Universal fit: compatible with most insulin and GLP-1 pen devices.
- Individually sealed: sterile, single-use, and hygienic.
- 100-count box: a reliable everyday supply.
Specifications
- Gauge: 31G (0.25mm) — a higher gauge number means a thinner needle
- Length: 5mm
- Quantity: 100 individually sealed needles
- Use: single-use, sterile
- Fit: universal screw-thread, compatible with most pen injectors
Compare Other Lengths & Gauges
Want something shorter or thinner? Compare the NovoFine Plus 32G 4mm and BD Nano 2nd Gen 32G 4mm. Need a longer needle? See the NovoFine 32G 6mm or NovoFine 30G 8mm. Browse all insulin pen needles, or add TruePlus 33G lancets for glucose testing.
How to Use & Store Safely
Attach a new needle for each injection per your pen device's instructions. Never reuse or share needles. Dispose of used needles in an FDA-cleared sharps container per your local guidelines. Store in a cool, dry place.
Shipping, Returns & Authenticity
We ship genuine, factory-sealed BD Ultra-Fine needles from the U.S. with fast, discreet delivery. Not fully satisfied? Contact our support team.
Frequently Asked Questions
Is 31G thinner or thicker than 32G?
31G is slightly thicker than 32G. A higher gauge number means a thinner needle, so 32G is the thinner of the two.
Will these fit my pen?
BD Ultra-Fine needles are universal-fit and work with most major insulin and GLP-1 pens. Check your device's instructions if unsure.
Should I choose 5mm or 4mm?
Guidelines recommend 4mm as the default for most adults, with 5mm an acceptable alternative. Needle length is a decision to confirm with your healthcare provider.
How many needles come in a box?
100 individually sealed, single-use pen needles.
Free shipping on every order within the USA, with tracking. Orders ship from Arizona in plain, discreet packaging.
We also ship internationally; rates are calculated at checkout. Questions? Email info@zahrun.com.