Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

Image not available

UNITED SCIENTIFIC SUPPLIES Cork Stopper

The UNITED SCIENTIFIC SUPPLIES Stopper: Cork is a beige cork stopper with Stopper Size 1, featuring an 8 mm bottom diameter, 11 mm top diameter, and 16 mm overall height. It has 0 holes and is manufactured under part…

SKU 3G-OTH-385499

Also listed as: CST 1 · CST-1

Brand
UNITED SCIENTIFIC SUPPLIES
Item
Cork Stopper
Category
Cork Stoppers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
CST1
Type
Beige
Material
Cork
Color
Beige
Holes
0
Top Dia
11 mm
Bottom Dia
8 mm
Overall Ht
16 mm
Stopper Size
1

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The UNITED SCIENTIFIC SUPPLIES Stopper: Cork is a beige cork stopper with Stopper Size 1, featuring an 8 mm bottom diameter, 11 mm top diameter, and 16 mm overall height. It has 0 holes and is manufactured under part number CST1.

Frequently Asked Questions

What is a UNITED SCIENTIFIC SUPPLIES cork stopper used for?

This cork stopper is used to seal laboratory glassware such as flasks, test tubes, and bottles. Its natural cork material provides a tight, non-reactive seal for general storage, mixing, or transport of chemicals and samples in educational, research, or industrial labs.

What are the specifications of the UNITED SCIENTIFIC SUPPLIES CST1 cork stopper?

The CST1 cork stopper has Stopper Size 1, with an 8 mm bottom diameter, 11 mm top diameter, and 16 mm overall height. It is beige, made of cork, has 0 holes, and is manufactured by UNITED SCIENTIFIC SUPPLIES INC under MPN CST1.

Where to buy UNITED SCIENTIFIC SUPPLIES cork stoppers worldwide?

3G Electric supplies UNITED SCIENTIFIC SUPPLIES cork stoppers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact us to source the CST1 or other sizes for your lab needs.

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

To select the correct cork stopper, measure the inner diameter of your flask opening. The stopper's bottom diameter should be slightly smaller than the opening for a snug fit. For the CST1, the 8 mm bottom diameter suits narrow-neck vessels. Always verify dimensions before ordering.

UNITED SCIENTIFIC SUPPLIES Products

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

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
UNITED SCIENTIFIC SUPPLIES
UNITED SCIENTIFIC SUPPLIES
Natural cork stopper with a tapered design for sealing laboratory glassware such as flasks, test tubes, and bottles. Size 15, beige color, with a top diameter of 33 mm, bottom diameter of 27 mm, and overall height of 31 mm. Solid construction with no holes
UNITED SCIENTIFIC SUPPLIES
UNITED SCIENTIFIC SUPPLIES
This beige cork stopper is size 3, with a top diameter of 14 mm, bottom diameter of 10 mm, and overall height of 19 mm. It has no holes and is made of natural cork. Used to seal laboratory glassware such as flasks, test tubes, and bottles, providing a compressible fit for standard openings
UNITED SCIENTIFIC SUPPLIES
UNITED SCIENTIFIC SUPPLIES
Stopper: Cork, 10 Stopper Size, 20 mm Bottom Dia, 25 mm Top Dia, 31 mm Overall Ht, Beige, 0 Holes (MPN CST10)
UNITED SCIENTIFIC SUPPLIES
UNITED SCIENTIFIC SUPPLIES
Stopper: Cork, 11 Stopper Size, 21 mm Bottom Dia, 27 mm Top Dia, 31 mm Overall Ht, Beige, 0 Holes (MPN CST11)
UNITED SCIENTIFIC SUPPLIES
UNITED SCIENTIFIC SUPPLIES
Natural cork stopper for sealing laboratory glassware such as flasks, test tubes, and bottles. Size 18 with a top diameter of 38 mm, bottom diameter of 31 mm, and overall height of 38 mm. Solid construction with no holes
UNITED SCIENTIFIC SUPPLIES
UNITED SCIENTIFIC SUPPLIES
Stopper: Cork, 12 Stopper Size, 22 mm Bottom Dia, 29 mm Top Dia, 31 mm Overall Ht, Beige, 0 Holes (MPN CST12)

More from UNITED SCIENTIFIC SUPPLIES

View all UNITED SCIENTIFIC SUPPLIES parts
UNITED SCIENTIFIC SUPPLIES
UNITED SCIENTIFIC SUPPLIES
Beige cork stopper with a top diameter of 35 mm, bottom diameter of 27 mm, and overall height of 38 mm. Stopper size 16 with no holes. Used to seal laboratory glassware such as flasks, test tubes, and bottles, providing a tight, inert seal for general lab storage and non-reactive chemical containment
UNITED SCIENTIFIC SUPPLIES
UNITED SCIENTIFIC SUPPLIES
Solid cork stopper for sealing laboratory glassware such as flasks, test tubes, and bottles. Beige color, size 4, with top diameter 16 mm, bottom diameter 11 mm, and overall height 20 mm. No holes. Provides a non-reactive seal for general storage, mixing, or transport of samples
UNITED SCIENTIFIC SUPPLIES
UNITED SCIENTIFIC SUPPLIES
Natural cork stopper for sealing laboratory glassware such as flasks and test tubes. Size 8 with a top diameter of 22 mm, bottom diameter of 17 mm, and overall height of 27 mm. Beige color, solid without holes
UNITED SCIENTIFIC SUPPLIES
UNITED SCIENTIFIC SUPPLIES
Natural cork stopper in size 000, beige color, with a bottom diameter of 4 mm, top diameter of 6 mm, and overall height of 13 mm. Solid design with no holes. Commonly used to seal small openings in laboratory glassware such as test tubes and flasks, providing a tight yet breathable closure
UNITED SCIENTIFIC SUPPLIES
UNITED SCIENTIFIC SUPPLIES
Beige cork stopper with a top diameter of 40 mm, bottom diameter of 33 mm, and overall height of 38 mm. Solid construction with no holes. Commonly used to seal laboratory glassware such as flasks, test tubes, and bottles, providing a compressible, non-reactive closure for general lab applications
UNITED SCIENTIFIC SUPPLIES
UNITED SCIENTIFIC SUPPLIES
This beige cork stopper is size 00 with a top diameter of 8 mm, bottom diameter of 5 mm, and overall height of 13 mm. Made from natural cork, it has no holes and is used to seal laboratory glassware such as test tubes, flasks, and bottles for general containment and storage applications
UNITED SCIENTIFIC SUPPLIES
UNITED SCIENTIFIC SUPPLIES
Beige cork stopper with size 13, featuring a 30 mm top diameter, 24 mm bottom diameter, and 31 mm overall height. Solid construction with no holes, suitable for sealing laboratory glassware such as flasks, test tubes, and bottles
UNITED SCIENTIFIC SUPPLIES
UNITED SCIENTIFIC SUPPLIES
This beige cork stopper is designed for sealing laboratory glassware such as flasks, test tubes, and bottles. It has a top diameter of 11 mm, bottom diameter of 7 mm, and overall height of 13 mm. Made from natural cork, it provides a compressible seal for containing liquids or gases. The stopper is solid with no holes and is suitable for general lab use