Custom silicone hole covers and caps/rubber screw hole caps

Rubber screw cap covers molded in silicone close access recesses while following the surrounding receiving profile. The shape should match the receiving feature while leaving a finished visible surface. The cap's depth and retaining profile need to work with the fastener or space beneath it.

Check the recess after the underlying assembly is complete. A screw head or internal shoulder can stop a cover before its edge reaches the intended seat. The accessible area should also allow the planned removal method without requiring a sharp tool to cut into the rubber.

Fit the cap into a clean opening and inspect the perimeter for lifting or uneven compression. Any required seal depends on the cover and receiving geometry together, so the complete assembly must be evaluated for its exposure conditions. During servicing, remove the cover carefully and inspect it before reuse. A replacement should match the recess depth and retaining shape as well as the visible face dimensions.

Material options

Custom silicone compound; formulation and geometry developed together.

Hardness selection

Silicone options: 20–80 Shore A. The accessible area should also allow the planned removal method without requiring a sharp tool to cut into the rubber.

Custom geometry

The cap's depth and retaining profile need to work with the fastener or space beneath it.

Fit evaluation

Check the recess after the underlying assembly is complete.

Color & OEM

Custom colors; OEM identification positioned outside closure contact surfaces.

Photos illustrate structure or material appearance only. The cap's depth and retaining profile need to work with the fastener or space beneath it. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.