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RUBBER & SILICONEStandard parts. Custom solutions.

Rubber bolt caps

Rubber bolt caps

The rubber bolt caps have three main purposes – to provide protection against environmental effects, to provide curing masking, or to help with the protection during the handling and shipping of the device. Now we are going to talk about these three purposes and explain why the rubber bolt caps are utilized in different industries and are implemented in various machines and devices. When it comes to environmental effects, the units are going to protect the insides of the container that might react to keep out the dust, moisture, air, and even light. Some products, components, or machines should not come in contact with oxygen or water, and they will get damaged if they are exposed to light. So, the rubber bolt caps provide a barrier between the environment and the insides of the container. These units will also provide protection to the areas that have to remain uncured and they will not get affected by high temperatures or even chemicals. 

They are most commonly used when it comes to powder coating and anodizing masking. 

Finally, they will also make sure that your products will not be damaged or broken when they are handled and when they are being transported. Note that the rubber bolt caps will make sure that any potentially sharp edges of the opening will not cut through anything that comes in contact with them, and they will also keep the insides intact no matter how they are handled and where they are placed for storage. We can offer a variety of different rubber bolt caps and we can aid you in choosing the right model for your needs. Note that rubber is an extremely durable material, so these units can easily be reused without them getting damaged or broken. If you are reusing them, make sure you properly clean them and that there are no dust or water particles before you install them again.

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

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Discuss Your Requirements

Product specifications

Product form
Protective cover for exposed fastening hardware
Dimensions to confirm
Fastener head width and height, exposed thread length and cap cavity.
Exposure to evaluate
Moisture and dust or debris. Validate the selected material under the combined conditions.
Access after fitting
Leave room for fitting and removal without displacing the fastener.

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