Rubber stopper sizes

Rubber stopper sizes

One Rubber stopper size is not the solution for each problem. That is why there are many different Rubber stopper sizes, specially designed for other/various tasks that differ in shapes and sizes. The rubber stoppers are available in different shapes and diameters, providing you with a solution to the perfect fit. There are different rubber stopper sizes available to fit perfectly with the situation they are needed with. The different types of rubber stopper sizes are:

Solid rubber stoppers, 1 hole rubber stoppers, 2-hole rubber stoppers, stoppers made up of EPDM rubber, etc. The one-hole stopper is very common in laboratories allowing scientists or lab staff to insert a thermometer and other devices through the hole into the container without opening the box. These different types of stoppers come in different colours and sizes. One way to figure out the rubber stopper sizes is by checking the diameter of the top and bottom parts of the stoppers and the diameter of the content you want to use the stopper on. The stopper’s material and quality will depend upon the content you are willing to use on.
Do you want to use it on a wine bottle or to use it on a flask in the lab to prevent gas from escaping the flask? The rubber stoppers come in various models and sizes. If you check on Amazon, the rubber stoppers come in different shapes and colours, and the prices vary accordingly. The more you go for a bestseller and good quality manufacturer, the more you have to pay.

All dimensions are in mm​

Stopper & Plug Size Catalog

Compare four stopper profiles and check the selected part dimensions against your opening and available depth. Each profile has its own drawing and dimension meanings.

Custom colors are available to your Pantone color code. Include the code in your inquiry.

Blind-Hole · RSTTapered · RSAUndercut · RSBT-Shaped · RSD

RST T-Shaped Plugs

Match stem diameter A, flange diameter B, stem length C and flange thickness D. E refers to the underside recess; use the selected row and approved drawing to confirm the actual profile.

Dimension guide

Product appearance

PartNo.	A（mm）	B（mm）	C（mm）	D（mm）	E（mm）
RST2.5-5.5-5.3	2.5	5.5	5.3	2	0
RST2.7-5.5-5	2.7	5.5	5	2	0
RST3-4.3-4.5	3	4.3	4.5	0.8	0
RST3-7-7	3	7	7	2.2	0
RST3.3-6.5-6	3.3	6.5	6	1.5	0
RST3.5-6.5-6	3.5	6.5	6	2	0
RST3.8-7-10.5	3.8	7	10.5	1.5	0
RST3.8-7-7	3.8	7	7	1.5	0
RST3.8-7-6	3.8	7	6	1.5	0
RST4-7.5-6	4	7.5	6	2	0
RST4-9.5-7	4	9.5	7	2.5	0
RST4.3-8-6	4.3	8	6	1.5	0
RST4.5-7.5-6	4.5	7.5	6	2	0
RST4.8-6.8-3.6	4.8	6.8	3.6	0.9	0
RST4.8-9-7	4.8	9	7	1.5	0

Need a different fit? Share the opening dimensions, mating profile and intended use for a custom size.

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