---
product_id: 65905836
title: "H5.5M292 Black Rubber Two-Hole Stopper, 28mm Top Diameter, 24mm Bottom Diameter, 5.5 Size, 25mm Length"
brand: "plasticoid"
price: "฿3359"
currency: THB
in_stock: true
url: https://www.desertcart.co.th/products/65905836-h5-5m292-black-rubber-two-hole-stopper-28mm-top-diameter
store_origin: TH
region: Thailand
---

# Durable black rubber Exact 28mm top diameter Two precise 5mm holes H5.5M292 Black Rubber Two-Hole Stopper, 28mm Top Diameter, 24mm Bottom Diameter, 5.5 Size, 25mm Length

**Brand:** plasticoid
**Price:** ฿3359
**Availability:** ✅ In Stock

## Summary

> ⚡ Seal the deal with precision and style!

## Quick Answers

- **What is this?** H5.5M292 Black Rubber Two-Hole Stopper, 28mm Top Diameter, 24mm Bottom Diameter, 5.5 Size, 25mm Length by plasticoid
- **How much does it cost?** ฿3359 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/65905836-h5-5m292-black-rubber-two-hole-stopper-28mm-top-diameter)

## Best For

- plasticoid enthusiasts

## Why This Product

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

## Key Features

- • **Dual-Hole Design:** Two pre-drilled 5mm holes allow for versatile applications, from lab use to creative DIY projects.
- • **Multipurpose Utility:** Perfect for laboratory, kitchen, or barware needs—blend functionality with sleek minimalism.
- • **Optimal Size & Weight:** Size 5.5 with approximately 30 stoppers per pound balances durability and convenience.
- • **NBS Standard Compliance:** Manufactured to meet strict NBS specifications for reliable, professional-grade performance.
- • **Precision-Engineered Fit:** Top diameter of 28mm and bottom diameter of 24mm ensure a secure, leak-proof seal every time.

## Overview

This black rubber stopper, size 5.5, features two pre-drilled 5mm holes and precise dimensions (28mm top diameter, 24mm bottom diameter, 25mm length) compliant with NBS standards. Ideal for laboratory and general use, it offers a reliable, multipurpose sealing solution with approximately 30 stoppers per pound.

## Description

Black rubber stoppers. Two pre-drilled holes, regular length. For all general laboratory and other uses. Dimensions in accordance with NBS specifications. Size: 5.5. Top Dia.: 28mm. Bottom Dia.: 24mm. Length: 25mm. Diameter of each hole: 5mm. Qty/Lb: Approximately 30. Plasticoid.

## Features

- Black rubber stopper with two pre-drilled 5mm holes
- Size 5.5
- Approximately 30 per pound
- For general use
- In accordance with NBS specifications

## Images

![H5.5M292 Black Rubber Two-Hole Stopper, 28mm Top Diameter, 24mm Bottom Diameter, 5.5 Size, 25mm Length - Image 1](https://m.media-amazon.com/images/I/411lA-wlAoL.jpg)
![H5.5M292 Black Rubber Two-Hole Stopper, 28mm Top Diameter, 24mm Bottom Diameter, 5.5 Size, 25mm Length - Image 2](https://m.media-amazon.com/images/I/51udzju-HmL.jpg)

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**Shop now:** [https://www.desertcart.co.th/products/65905836-h5-5m292-black-rubber-two-hole-stopper-28mm-top-diameter](https://www.desertcart.co.th/products/65905836-h5-5m292-black-rubber-two-hole-stopper-28mm-top-diameter)

---

*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-04-27*