Rubber suction cups with screw high strong suction

Rubber suction cups with screw attachment connect a custom cup to supporting hardware. The screw provides the mechanical mounting point, while the rubber lip establishes contact with the receiving surface. Both interfaces need to remain correctly positioned for the assembly to work as intended.

Surface condition is central to selection. Texture, curvature, contamination, and the direction of the applied load can all change the contact available to the cup. Evaluate the complete attachment on the actual surface and for the required duration. Cup diameter and the presence of a screw do not independently define a safe holding load.

Secure the hardware without twisting the cup out of alignment, then check that the lip can settle evenly. Keep the mating surface and rubber face clean, and inspect for cuts or permanent distortion before reuse. If several cups support one assembly, their positions should allow each to meet the surface rather than leaving one suspended or unevenly loaded. Release the cup through the intended method so the screw connection is not used to tear the rubber away from the surface.

Material options

Rubber compound options, customized alongside the profile and contact conditions.

Hardness selection

Solid rubber options: 30–90 Shore A. Cup diameter and the presence of a screw do not independently define a safe holding load.

Custom geometry

The screw provides the mechanical mounting point, while the rubber lip establishes contact with the receiving surface.

Fit evaluation

Evaluate the complete attachment on the actual surface and for the required duration.

Color & OEM

Custom colors; OEM markings outside the suction contact face.

Photos illustrate structure or material appearance only. The screw provides the mechanical mounting point, while the rubber lip establishes contact with the receiving surface. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.