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RUBBER & SILICONEStandard parts. Custom solutions.

Rubber end caps for steel tube

Rubber end caps for steel tube

A steel tube is usually durable but if placed in surroundings filled with damaging factors, it might corrode due to the presence of moisture, dirt, and weather, especially in wet conditions. To secure the end of a steel tube from decaying and degrading due to such factors, rubber end caps for steel tubes are used. Being made with rubber, these end caps are resistant to plenty of damage-causing agents such as heat, mechanical stress, UV rays, harsh weather, water, humidity, and physical whacks. Such end caps for steel tubes are designed to withstand impact abuse as well, which provides years of protection and longevity.
In addition to being protective, the rubber end caps for steel tubes are also easy to install. There are various sizes, however the .75 inch caps are the ones most widely used. To be on the safe end, we recommend that you first measure the diameter at the end of your steel tube and then select an end cap that is slightly smaller than that size for it to firmly latch onto its place. Being flexible, the rubber end caps for steel tubes can mostly outstretch to 1/8th of their size to attain a firm fit without tearing, splitting, or shredding.
These simple push-on caps make for a long-lasting, eco-friendly, and anti-rust solution for many households, industries, steel plants and firms, marine boat dock projects, and for other public sector applications like fencing the railway line posts, rail stopper for steel gates, etc.
These end caps are available on the market in various shapes, the most common ones being round and square. Not only do they provide a sleek finish but they also have their own purposes. The square shaped rubber end caps for steel tube are good for maintaining a verticle equilibrium, while the round shaped ones are easier to drag across the ground, as it facilitates sliding due to a better geometry.

All dimensions are in mm​

Rubber Cap Size Catalog

Compare the internal and external dimensions of rubber caps against the part being covered.

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

Rubber Caps-RSE

Compare A (inner diameter), B (outer diameter), C (inner depth) and D (total height), in mm.

Dimension guide
Rubber cap — A inner diameter, B outer diameter, C inner depth, D total height
Profile reference. Use the dimension letters and units in the selected table and confirm the part drawing.
Product appearance
Rubber Caps-RSE — product view
Illustrative product appearance. Refer to the selected row and part drawing for dimensions.
Part No.ABCD
RSE3.7-7-93.77911
RSE4.7-8-94.78911
RSE5.7-9-105.791012
RSE6.7-10-106.7101012
RSE7.7-11-117.7111113
RSE8.7-12-128.7121214
RSE9.7-14-139.7141315
RSE10.7-15-1410.7151416
RSE11.7-16-1511.7161517
RSE12.7-17-1512.7171518
RSE13.7-18-1513.7181518
RSE14.7-19-1514.7191518
RSE15.7-20-1615.7201619
RSE16.7-21-1616.7211619
RSE17.7-22-1617.7221619

Need a different size? Share your drawing, mating dimensions and intended use to discuss a suitable part.

Discuss Your Requirements

Product specifications

Product form
Protective cover fitted over a component end
Application focus
Steel tube ends and poles or posts. Size the part against the selected assembly.
Dimensions to confirm
Mating outside dimensions, cover depth, cavity and wall thickness. Match these to steel tube ends.
Profiles discussed
Round profiles and square profiles. Select the profile that matches the mating part and dimension that section explicitly.
Installation discussed
Push-on fitting. Identify the chosen retention method and the surface or hardware it engages.
Exposure to evaluate
Sunlight or UV, outdoor weather, moisture and dust or debris. Validate the selected material under the combined conditions.
Cover retention
Check the installed overlap and pull-off force on the actual end profile.

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