---
product_id: 314076007
title: "stonylab Hex Head Hollow Glass Stopper for Sealing Lab Glassware, 14/20 Outer Joint, Closed Bottom, Hexagonal Glass Stopper for Laboratory Use (14/20 Joint, 1 Pack)"
brand: "stonylab"
price: "฿1364"
currency: THB
in_stock: true
reviews_count: 11
url: https://www.desertcart.co.th/products/314076007-stonylab-hex-head-hollow-glass-stopper-for-sealing-lab-glassware
store_origin: TH
region: Thailand
---

# 200°C Max Temp 14/20 Joint Borosilicate Glass stonylab Hex Head Hollow Glass Stopper for Sealing Lab Glassware, 14/20 Outer Joint, Closed Bottom, Hexagonal Glass Stopper for Laboratory Use (14/20 Joint, 1 Pack)

**Brand:** stonylab
**Price:** ฿1364
**Availability:** ✅ In Stock

## Summary

> 🔒 Seal the Deal with StonyLab's Hex Head Stopper!

## Quick Answers

- **What is this?** stonylab Hex Head Hollow Glass Stopper for Sealing Lab Glassware, 14/20 Outer Joint, Closed Bottom, Hexagonal Glass Stopper for Laboratory Use (14/20 Joint, 1 Pack) by stonylab
- **How much does it cost?** ฿1364 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/314076007-stonylab-hex-head-hollow-glass-stopper-for-sealing-lab-glassware)

## Best For

- stonylab enthusiasts

## Why This Product

- Trusted stonylab brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Seamless Sealing:** Experience airtight closure with the 14/20 outer joint design.
- • **Durable & Reliable:** Crafted from heavy-duty borosilicate glass for long-lasting use.
- • **Hexagonal Innovation:** The hex head design allows for easy handling and cleaning.
- • **Temperature Resilience:** Withstands temperatures up to 200°C for versatile lab applications.
- • **Customer-Centric Quality:** StonyLab guarantees premium quality and exceptional customer service.

## Overview

The StonyLab Hex Head Hollow Glass Stopper is designed for laboratory use, featuring a 14/20 outer joint and a hexagonal head for easy handling. Made from durable borosilicate glass, it can withstand temperatures up to 200°C, ensuring reliable performance in various lab settings. This reusable stopper is perfect for sealing glassware, and StonyLab stands behind its quality with excellent customer service.

## Description

stonylab Hex Head Hollow Glass Stopper for Sealing Lab Glassware, 14/20 Outer Joint, Closed Bottom, Hexagonal Glass Stopper for Laboratory Use (14/20 Joint, 1 Pack)

## Features

- 14/20 Outer Joint
- Hollow glass stopper
- Hexagon Head Stopper; convenient to clean and rotate, and side grooves can prevent slippage
- Borosilicate Glass, Heavy Duty Design, Reusable and High quality; maximum withstand temperature 200°C
- StonyLab ensures high quality and premium customer service

## Product Details

- **Material:** Borosilicate Glass
- **Thread Size:** #0-80
- **Exterior Finish:** Borosilicate Glass
- **Manufacturer Grade:** Premium
- **Head Style:** Hex

## Images

![stonylab Hex Head Hollow Glass Stopper for Sealing Lab Glassware, 14/20 Outer Joint, Closed Bottom, Hexagonal Glass Stopper for Laboratory Use (14/20 Joint, 1 Pack) - Image 1](https://m.media-amazon.com/images/I/51vbcg8K4TL.jpg)
![stonylab Hex Head Hollow Glass Stopper for Sealing Lab Glassware, 14/20 Outer Joint, Closed Bottom, Hexagonal Glass Stopper for Laboratory Use (14/20 Joint, 1 Pack) - Image 2](https://m.media-amazon.com/images/I/517-5ygQCGL.jpg)
![stonylab Hex Head Hollow Glass Stopper for Sealing Lab Glassware, 14/20 Outer Joint, Closed Bottom, Hexagonal Glass Stopper for Laboratory Use (14/20 Joint, 1 Pack) - Image 3](https://m.media-amazon.com/images/I/51ygDRdExfL.jpg)
![stonylab Hex Head Hollow Glass Stopper for Sealing Lab Glassware, 14/20 Outer Joint, Closed Bottom, Hexagonal Glass Stopper for Laboratory Use (14/20 Joint, 1 Pack) - Image 4](https://m.media-amazon.com/images/I/41DcqNQiD-L.jpg)
![stonylab Hex Head Hollow Glass Stopper for Sealing Lab Glassware, 14/20 Outer Joint, Closed Bottom, Hexagonal Glass Stopper for Laboratory Use (14/20 Joint, 1 Pack) - Image 5](https://m.media-amazon.com/images/I/41S6L2FllAL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    The best stopper cleaning plug.
  

*by N***D on Reviewed in the United States on May 17, 2024*

I have a couple of them I highly recommend

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Fits 24/40 perfectly
  

*by E***S on Reviewed in the United States on January 29, 2022*

This product is light, fits 24/40 ground glass connection, is thin glass but not meant to be abused. Pricey but good quality wise.

### ⭐⭐⭐ 3.0 out of 5 stars







  
  
    stopper
  

*by J***E on Reviewed in the United States on June 14, 2024*

cute

## Frequently Bought Together

- StonyLab Glass Hex Head Hollow Glass Stopper, Hexagonal Head Glass Hollow Stopper for 14/20 Outer Joint Glass with Closed Bottom (14/20 Joint, 1 Pack)
- StonyLab 3 Way Claisen Distillation Adapter with 14/20 Joints Connecting Adapter Lab Supply, SL-L2L5R1
- StonyLab 4 Way Claisen Distillation Adapter with 14/20 Joints Connecting Adapter Lab Supply, SL-L1M2M5R1

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**Shop now:** [https://www.desertcart.co.th/products/314076007-stonylab-hex-head-hollow-glass-stopper-for-sealing-lab-glassware](https://www.desertcart.co.th/products/314076007-stonylab-hex-head-hollow-glass-stopper-for-sealing-lab-glassware)

---

*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-02-28*