--- product_id: 86542368 title: "300 ul Vial Inserts, 6x31 mm Borosilicate Glass, Conical Base, 100 pcs/pk" price: "€ 44.20" currency: EUR in_stock: true reviews_count: 2 url: https://www.desertcart.sk/products/86542368-300-ul-vial-inserts-6x31-mm-borosilicate-glass-conical-base store_origin: SK region: Slovakia --- # 6x31 mm precision size 300 µL usable volume USP Type 1 Borosilicate glass 300 ul Vial Inserts, 6x31 mm Borosilicate Glass, Conical Base, 100 pcs/pk **Price:** € 44.20 **Availability:** ✅ In Stock ## Summary > 🧪 Elevate your lab game with precision and clarity! ## Quick Answers - **What is this?** 300 ul Vial Inserts, 6x31 mm Borosilicate Glass, Conical Base, 100 pcs/pk - **How much does it cost?** € 44.20 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/86542368-300-ul-vial-inserts-6x31-mm-borosilicate-glass-conical-base) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Universal Fit:** Compatible with 9-425, 11mm crimp & snap top vials for versatile lab use - • **Durable Design:** Conical base for efficient sample recovery and minimal residue - • **Premium Clarity:** Crystal-clear borosilicate glass ensures flawless visibility - • **Precision Capacity:** Optimized 300 µL usable volume for exact sample handling - • **Bulk Pack Advantage:** 100 inserts per pack to keep your workflow uninterrupted ## Overview These 300 µL vial inserts are crafted from USP Type 1, 68 borosilicate glass with a conical base, designed for compatibility with 9-425 vials and 11mm crimp or snap tops. Measuring 6x31 mm, they offer a usable volume of 300 µL and come in a convenient 100-piece pack, ensuring reliable, high-clarity sample containment for professional laboratory environments. ## Description 300 ul Vial Inserts, 6x31 mm Borosilicate Glass, Conical Base, 100 pcs/pk | Fill vol: 350 ul, Usable vol: 300 ul, for 9-425 Vials, 11mm Crimp Top Vial and 11 mm Snap Top Vial: desertcart.com: Industrial & Scientific Review: Worth the price - Bout two packages. You can find one or two inserts per package that are a little weird, other than that, everything is OK. Review: Works well - Works well ## Features - 300 ul Vial Inserts Glass Bevelled Bottom Clear Insert Tube for 9-425 Vials, 11mm Crimp Top Vial and 11 mm Snap Top Vial - Material: USP Type 1, 68 Borosilicate Expansion, 1st Hydrolytic, Clear Glass - Dimensions: 31 x 6 mm - Fill vol: 350 ul ,Usable vol: 300 ul - Content: 100 pcs/pk ## Technical Specifications | Specification | Value | |---------------|-------| | Customer Reviews | 5.0 out of 5 stars 5 Reviews | ## Images ![300 ul Vial Inserts, 6x31 mm Borosilicate Glass, Conical Base, 100 pcs/pk - Image 1](https://m.media-amazon.com/images/I/51qHiKUv3dL.jpg) ![300 ul Vial Inserts, 6x31 mm Borosilicate Glass, Conical Base, 100 pcs/pk - Image 2](https://m.media-amazon.com/images/I/418LYvHa51L.jpg) ![300 ul Vial Inserts, 6x31 mm Borosilicate Glass, Conical Base, 100 pcs/pk - Image 3](https://m.media-amazon.com/images/I/4116XQUJNnL.jpg) ![300 ul Vial Inserts, 6x31 mm Borosilicate Glass, Conical Base, 100 pcs/pk - Image 4](https://m.media-amazon.com/images/I/51cZv4OeLHL.jpg) ![300 ul Vial Inserts, 6x31 mm Borosilicate Glass, Conical Base, 100 pcs/pk - Image 5](https://m.media-amazon.com/images/I/61O4fdA3LeL.jpg) ## Available Options This product comes in different **Style** options. ## Questions & Answers **Q: Is the outside diameter (od) exactly 5mm? what is the manufacturing tolerance of the od?** A: Yes, Our 0.25ml glass Vial Insert, Flat base. Outside diameter is 5mm ( Tolerance is 4.7 - 4.95mm) The height is 31mm ( Tolerance is 30.0 - 31.0mm ) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Worth the price *by A***J on March 9, 2019* Bout two packages. You can find one or two inserts per package that are a little weird, other than that, everything is OK. ### ⭐⭐⭐⭐⭐ Works well *by A***W on April 22, 2021* Works well --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sk/products/86542368-300-ul-vial-inserts-6x31-mm-borosilicate-glass-conical-base](https://www.desertcart.sk/products/86542368-300-ul-vial-inserts-6x31-mm-borosilicate-glass-conical-base) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-09-08*