UNITED SCIENTIFIC SUPPLIES Stopper: Rubber, 8 Stopper Size, 33 mm Bottom Dia, 41 mm Top Dia, 25 mm Overall Ht
The UNITED SCIENTIFIC SUPPLIES Stopper: Rubber is a black rubber stopper in size 8, featuring a 33 mm bottom diameter, 41 mm top diameter, and 25 mm overall height with 2 holes. This product is manufactured by UNITED…
SKU 3G-OTH-381378
Also listed as: RST8H2 · RST8 H2
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
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Product Description
The UNITED SCIENTIFIC SUPPLIES Stopper: Rubber is a black rubber stopper in size 8, featuring a 33 mm bottom diameter, 41 mm top diameter, and 25 mm overall height with 2 holes. This product is manufactured by UNITED SCIENTIFIC SUPPLIES INC under part number RST8-H2.
Frequently Asked Questions
What is a UNITED SCIENTIFIC SUPPLIES rubber stopper size 8 with 2 holes used for?
This black rubber stopper (size 8, 41 mm top dia, 33 mm bottom dia, 25 mm height) seals laboratory flasks, test tubes, or bottles. The two holes allow insertion of glass tubing, thermometers, or probes for gas transfer or vacuum applications in chemistry, biology, and industrial labs.
What are the specifications of the UNITED SCIENTIFIC SUPPLIES RST8-H2 rubber stopper?
The RST8-H2 is a black rubber stopper, size 8, with a 41 mm top diameter, 33 mm bottom diameter, and 25 mm overall height. It has 2 holes and is made of rubber by UNITED SCIENTIFIC SUPPLIES INC. These dimensions ensure a tight fit in standard laboratory glassware.
Where to buy UNITED SCIENTIFIC SUPPLIES rubber stoppers worldwide?
3G Electric supplies and delivers the UNITED SCIENTIFIC SUPPLIES RST8-H2 rubber stopper worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance so you receive genuine lab supplies at your facility, regardless of location.
How to select the right rubber stopper size for a flask?
Measure the inside diameter of your flask neck. The stopper's top diameter (41 mm for size 8) should be slightly larger than the neck opening, while the bottom diameter (33 mm) fits inside. For UNITED SCIENTIFIC SUPPLIES stoppers, match the size number to the flask's standard taper or nominal neck size.
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.
