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UNITED SCIENTIFIC SUPPLIES Stopper: Rubber, 11 Stopper Size, 48 mm Bottom Dia, 56 mm Top Dia, 25 mm Overall Ht - Rubber Stoppers

UNITED SCIENTIFIC SUPPLIES Stopper: Rubber, 11 Stopper Size, 48 mm Bottom Dia, 56 mm Top Dia, 25 mm Overall Ht

The UNITED SCIENTIFIC SUPPLIES Stopper: Rubber is a black rubber stopper in size 11, featuring a 48 mm bottom diameter, 56 mm top diameter, and 25 mm overall height with 2 holes. This product is manufactured by…

SKU 3G-OTH-381372

Also listed as: RST11H2 · RST11 H2

Brand
UNITED SCIENTIFIC SUPPLIES
Item
Stopper: Rubber, 11 Stopper Size, 48 mm Bottom Dia, 56 mm Top Dia, 25 mm Overall Ht
Category
Rubber Stoppers
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

UNITED SCIENTIFIC SUPPLIES
Manufacturer Part Number
RST11-H2
Type
Black
Material
Rubber
Color
Black
Holes
2
Top Dia
56 mm
Bottom Dia
48 mm
Overall Ht
25 mm
Stopper Size
11

Technical Documents

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UNITED SCIENTIFIC SUPPLIES Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The UNITED SCIENTIFIC SUPPLIES Stopper: Rubber is a black rubber stopper in size 11, featuring a 48 mm bottom diameter, 56 mm top diameter, and 25 mm overall height with 2 holes. This product is manufactured by UNITED SCIENTIFIC SUPPLIES INC under part number RST11-H2.

Frequently Asked Questions

What is a UNITED SCIENTIFIC SUPPLIES rubber stopper size 11 with 2 holes used for?

This black rubber stopper is used to seal laboratory flasks, test tubes, or bottles while allowing two probes, tubes, or wires to pass through the holes. It is common in chemistry, biology, and industrial labs for gas collection, filtration, or sensor insertion.

What are the specifications of the UNITED SCIENTIFIC SUPPLIES RST11-H2 rubber stopper?

The stopper is size 11, made of black rubber, with a 48 mm bottom diameter, 56 mm top diameter, and 25 mm overall height. It has 2 holes and is manufactured by UNITED SCIENTIFIC SUPPLIES INC under part number RST11-H2.

Where to buy UNITED SCIENTIFIC SUPPLIES rubber stoppers worldwide?

3G Electric supplies UNITED SCIENTIFIC SUPPLIES rubber stoppers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to order the RST11-H2 or other sizes.

How to select the right rubber stopper size for a flask?

Measure the inner diameter of your flask neck and match it to the stopper's top diameter. For the RST11-H2, the 56 mm top diameter fits standard lab glassware. Ensure the number of holes matches your need for probes or tubing. Rubber provides a tight, reusable seal.

UNITED SCIENTIFIC SUPPLIES Products

3G Electric supplies UNITED SCIENTIFIC SUPPLIES rubber stoppers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Cross-referenced by specification & description
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Black rubber stopper, size 15, with 2 holes. Top diameter 103 mm, bottom diameter 83 mm, overall height 25 mm. Used to seal laboratory flasks, test tubes, and glassware, preventing contamination and gas leakage during experiments, distillation, or storage
Black rubber stopper with a top diameter of 127 mm, bottom diameter of 90 mm, and overall height of 25 mm. Features 2 holes for inserting tubing or probes. Commonly used to seal laboratory flasks, test tubes, and glassware to prevent contamination or gas leakage
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Black rubber stopper with a top diameter of 127 mm, bottom diameter of 90 mm, and overall height of 25 mm. Features 2 holes for inserting tubing or probes. Commonly used to seal laboratory flasks, test tubes, and glassware to prevent contamination or gas leakage
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