Are you searching for the best 31G needles to ensure precision and comfort?
Discover ultra-thin, sterile needles with leak-proof compatibility, universal fit, and clear markings for reliable, stress-free dosing.
31G needles are the go-to choice for precision and comfort. Their ultra-thin design makes them perfect for accurate dosing in labs, gardens, or homes.
These needles pair with leak-proof syringes for mess-free use. Smooth plungers and clear markings ensure every drop counts. Individually wrapped packs keep them sterile and ready when you need them.
Needles this sharp cut stress, not skin. Universal fit tips work with most pen devices. Thin-wall tech boosts flow for flawless results. Your next project deserves the best 31G needles—read on to find your match.
List of Top 10 31G Needles
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U-100 1ml Syringe with Needle, 31G 1/4″ 6mm 1cc Syringes, Disposable Individual Package, Pack of 100 |
This product is perfect for lab workers, science teachers, or home hobbyists needing sterile, precise tools for small experiments or DIY projects. Clear markings, leak-proof design, and individually wrapped packaging ensure safe, accurate, and hassle-free use. |
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Syringes with Needle, U-100 1ml 31G 5/16″ (8mm) Disposable Syringe, Lab Supplies Individual Wrapped, Pack of 30 |
These syringes are perfect for scientists, lab workers, and home users needing precise, sterile tools. Individually wrapped, leak-proof, and marked with clear scales, they ensure safe, accurate use in non-medical settings. |
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U-100 1cc 31 Gauge 5/16 Inch Syringe, Individually Packed 20 PACK |
This syringe pack is perfect for pet owners and gardeners. It’s great for giving pets meds or feeding plants nutrients with clear, easy-to-read markings and a smooth plunger. The individually sealed design keeps each syringe clean and ready to use. |
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U-100 1cc Syringes with 31g 5/16″ (8mm) , Individually Wrapped, Pack of 100 |
This product is perfect for pet owners and gardeners. The U-100 1cc syringes are great for giving medicine to small pets like dogs, cats, and birds. They also help in measuring nutrients for plants. Each syringe is individually wrapped for easy storage and use. The leak-proof design ensures no mess during injections. |
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U-100 0.5cc/ml Syringes 31G 5/16 inch(8mm) needles Individual Pack of 36 |
The U-100 0.5cc/ml Syringes are perfect for industrial, science lab, and experimental use. They are not for medical use, but great for precise, small dosages in controlled settings. |
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EasyTouch U-100 Insulin Syringe with Needle, 31G 0.5cc 5/16-Inch (8mm), Box of 100 |
The EasyTouch U-100 Insulin Syringe is perfect for people who need smooth, easy injections. It works with most pen devices and has a special tip for less pain. |
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Kid2Kit 1mL/CC 31G 5/16in, Scientific Lab Refilling, Industrial Measurement, Individually Wrapped, 36PACKS |
Perfect for scientists, lab workers, and industrial users needing precise liquid measurement. These syringes offer easy-to-read markings and a leak-proof design for accurate refilling in labs, plants, or factories. |
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ONE-CARE Pen Tips 31G x 8mm, Box of 100, Gentle, Universal Fit with Pen Devices, Extra-Thin Wall Technology for optimal flow |
These pen tips are perfect for people who use pen-style injection devices and want a gentle, reliable option. They fit most pens, offer smooth comfort, and ensure steady flow with extra-thin walls and easy-to-peel covers for quick, clean use. |
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U-100 1/2ml Syringe with Needle, 31G 5/16″ 8mm 1/2cc Syringes, Disposable Individual Package, Pack of 20 |
This product is perfect for science labs, home users, and industrial settings needing sterile, precise syringes. Its leak-proof design, clear markings, and easy one-hand use make it ideal for experiments, small-scale projects, or personal tasks requiring accuracy and safety. |
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1ml/cc 31G Syringe 5/16″ (8mm) Needle, Disposable Individual Package Pack of 100 |
This product is perfect for people who need painless, easy-to-use syringes for personal injections. The individual packaging and sharp 31G needles make them safe, portable, and ideal for home use. |
Detailed Reviews
Top 10 31G needles are picked using expert reviews and real-user feedback. Each pick balances comfort, precision, and value for labs, pets, or DIY projects. Clear guides help you choose fast—no guesswork, just perfect matches.
1. U-100 1ml Syringe with Needle, 31G 1/4″ 6mm 1cc Syringes, Disposable Individual Package, Pack of 100

U-100 1ml Syringes with 31G 1/4″ needles. Sterile and eco-friendly. Individually wrapped for safety.
Smooth plunger ensures easy use. Leak-proof design keeps it reliable.
Clear markings help measure doses right. Not for medical use—perfect for labs or home projects.
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for lab workers, science teachers, or home hobbyists needing sterile, precise tools for small experiments or DIY projects. Clear markings, leak-proof design, and individually wrapped packaging ensure safe, accurate, and hassle-free use.
Ready to Purchase?
2. Syringes with Needle, U-100 1ml 31G 5/16″ (8mm) Disposable Syringe, Lab Supplies Individual Wrapped, Pack of 30

1ml syringes with 31G needle (8mm) come in a pack of 30. Each syringe is individually wrapped for sterile, safe use.
Leak-proof design ensures durability and secure handling. A smooth plunger allows easy one-handed control, and clear scales help measure doses accurately.
Not for medical use—ideal for labs, experiments, or home tools. Sterile packaging keeps each syringe ready for use. Precise and reliable for everyday tasks.
| Pros | Cons |
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Perfect For:
These syringes are perfect for scientists, lab workers, and home users needing precise, sterile tools. Individually wrapped, leak-proof, and marked with clear scales, they ensure safe, accurate use in non-medical settings.
Ready to Purchase?
3. U-100 1cc 31 Gauge 5/16 Inch Syringe, Individually Packed 20 PACK

This 20-pack of U-100 1cc syringes is perfect for daily tasks. Each one comes individually sealed for cleanliness and easy storage.
Made of durable plastic, they have clear markings and smooth plungers. Perfect for pets, plants, or small experiments. Not for medical use.
Great for giving meds to animals or mixing garden nutrients. Keep a few handy for quick, precise measuring needs.
| Pros | Cons |
|---|---|
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Perfect For:
This syringe pack is perfect for pet owners and gardeners. It’s great for giving pets meds or feeding plants nutrients with clear, easy-to-read markings and a smooth plunger. The individually sealed design keeps each syringe clean and ready to use.
Ready to Purchase?
4. U-100 1cc Syringes with 31g 5/16″ (8mm) , Individually Wrapped, Pack of 100

The U-100 1cc Syringes come with 31g 5/16″ (8mm) needles, perfect for precise measurements. Each syringe is individually wrapped to keep it clean and ready to use.
These syringes are leak-proof and made of durable plastic. They’re great for pets or plants, with clear scales for easy reading.
| Pros | Cons |
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Perfect For:
This product is perfect for pet owners and gardeners. The U-100 1cc syringes are great for giving medicine to small pets like dogs, cats, and birds. They also help in measuring nutrients for plants. Each syringe is individually wrapped for easy storage and use. The leak-proof design ensures no mess during injections.
Ready to Purchase?
5. U-100 0.5cc/ml Syringes 31G 5/16 inch(8mm) needles Individual Pack of 36

U-100 0.5cc/ml Syringes come in a pack of 36. Each syringe has a 31G 5/16 inch (8mm) needle. They are individually sealed for safety.
These syringes are clearly marked for precise dosing. The smooth plunger allows for easy one-handed use. Not for medical use, they are ideal for industrial or lab settings.
Perfect for small dosage needs, these syringes are reliable and easy to use. Each one comes with a cap for added safety.
| Pros | Cons |
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Perfect For:
The U-100 0.5cc/ml Syringes are perfect for industrial, science lab, and experimental use. They are not for medical use, but great for precise, small dosages in controlled settings.
Ready to Purchase?
6. EasyTouch U-100 Insulin Syringe with Needle, 31G 0.5cc 5/16-Inch (8mm), Box of 100

The EasyTouch U-100 Insulin Syringe is a reliable choice for insulin delivery. It fits most pen devices, making it a versatile option.
This syringe features a tri-bevel cut tip, ensuring a smooth and comfortable injection. The needle is electropolished to remove any burrs, providing a seamless experience.
Film-coated for extra smoothness, easy to use, and designed for convenience.
| Pros | Cons |
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Perfect For:
The EasyTouch U-100 Insulin Syringe is perfect for people who need smooth, easy injections. It works with most pen devices and has a special tip for less pain.
Ready to Purchase?
7. Kid2Kit 1mL/CC 31G 5/16in, Scientific Lab Refilling, Industrial Measurement, Individually Wrapped, 36PACKS

The Kid2Kit 1mL/CC 31G 5/16in comes in a pack of 36, with each piece individually sealed. It’s designed for precise measurements and easy use. The clear markings make reading simple.
The smooth plunger ensures leak-proof performance and is airtight. It’s perfect for scientific labs and industrial tasks. Use it for filling liquids or plant cultivation.
Not for medical use—this product is for labs and industries only. Always handle with care for best results.
| Pros | Cons |
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Perfect For:
Perfect for scientists, lab workers, and industrial users needing precise liquid measurement. These syringes offer easy-to-read markings and a leak-proof design for accurate refilling in labs, plants, or factories.
Ready to Purchase?
8. ONE-CARE Pen Tips 31G x 8mm, Box of 100, Gentle, Universal Fit with Pen Devices, Extra-Thin Wall Technology for optimal flow

Ultra-thin 31G x 8mm tips glide in with barely any pressure. Polished smooth finish feels gentle against skin every time. Universal twist-on fit works with most pen-style devices instantly.
Enhanced thin-wall technology ensures reliable, drip-free flow. Individually sealed with easy-peel tabs for clean, ready-to-use tips. Precision-inspected for consistent quality and secure connection.
100 tips per box—always stocked and ready. Perfect for daily use with your favorite pen device.
| Pros | Cons |
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Perfect For:
These pen tips are perfect for people who use pen-style injection devices and want a gentle, reliable option. They fit most pens, offer smooth comfort, and ensure steady flow with extra-thin walls and easy-to-peel covers for quick, clean use.
Ready to Purchase?
9. U-100 1/2ml Syringe with Needle, 31G 5/16″ 8mm 1/2cc Syringes, Disposable Individual Package, Pack of 20

U-100 1/2ml syringes have a 31G 8mm needle for precise dosing. Each comes sterile in an individual package, made from eco-friendly materials.
Smooth plunger allows easy one-hand use. Leak-proof design keeps the plunger secure. Clear markings ensure accurate measurements.
Pack of 20 syringes for lab or home use. Not for medical use—ideal for experiments or industrial tasks.
| Pros | Cons |
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Perfect For:
This product is perfect for science labs, home users, and industrial settings needing sterile, precise syringes. Its leak-proof design, clear markings, and easy one-hand use make it ideal for experiments, small-scale projects, or personal tasks requiring accuracy and safety.
Ready to Purchase?
10. 1ml/cc 31G Syringe 5/16″ (8mm) Needle, Disposable Individual Package Pack of 100

This product includes 100 disposable 1ml syringes with 31G needles and 8mm length. Each syringe comes in its own individual wrap for safety and ease.
Sharp, pain-free needles reduce injection stress. Bold markings and smooth barrels ensure accurate, secure use. Lightweight, single-pack wraps make travel safe and simple.
These syringes are not for medical pros. They’re built for trust and comfort. If unhappy, reach out—we’ll fix it fast.
| Pros | Cons |
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Perfect For:
This product is perfect for people who need painless, easy-to-use syringes for personal injections. The individual packaging and sharp 31G needles make them safe, portable, and ideal for home use.
Ready to Purchase?
Buying Guide
31G needles deliver ultra-fine precision with minimal discomfort. They’re perfect for accurate liquid handling in labs, gardens, and homes. Users love how these tiny tips make tricky tasks simple and stress-free.
Many share how smooth plungers and clear markings let them measure perfectly every time—no drips, no guesswork. Whether dosing plant nutrients or filling cartridges, people feel in control. The sharp yet gentle tip surprises first-timers; “I barely felt it” is a common reply.
These needles shine in repeat use with pen devices, thanks to universal fittings and thin-wall flow tech. Individually wrapped packs keep them sterile and ready—just peel and go. Reliable and precise, they cut frustration and boost confidence on every project.
Factors to Consider:
- Needle Length: Choose 5/16" (8mm) for shallow, controlled access or 1/4" (6mm) for ultra-fine surface work. Longer isn’t always better—match length to your task depth.
- Tip Compatibility: Look for universal twist-on fit if using with pen-style injectors or cartridges. A secure lock prevents leaks and misfires.
- Flow Efficiency: Thin-wall technology increases liquid flow without extra pressure. Results stay consistent, drop by drop.
- Sterile Packaging: Individually wrapped units ensure cleanliness. Open only what you need—ideal for shared or sensitive spaces.
- Plunger Feel: A smooth glide means one-handed control and no sticking. Clear barrel markings let you read doses fast.
- Intended Use: Confirm the product states "not for medical use" if you need lab, pet, or plant tools. Avoids regulatory issues.
- Volume Capacity: Pick 0.5cc, 1cc, or 1ml based on dose size. Smaller volumes offer finer control for tiny amounts.
- Quantity & Value: Packs of 20, 36, or 100 suit occasional or heavy use. Bulk saves cost; singles save space.
- Durability & Clarity: Durable plastic resists cracks. Bold, easy-to-read scales prevent dosing errors every time.
- Ease of Opening: Easy-peel tabs protect sterility without struggle. No fumbling, no contamination risk.
- User Comfort: Polished, film-coated tips reduce drag and discomfort. Great for frequent or sensitive tasks.
- Leak-Proof Seal: A tight barrel-to-plunger fit stops drips. Confidence comes from clean, waste-free work.