Heavy duty black natural rubber threaded suction cups

Black natural rubber threaded suction cups should be selected for the actual surface and repeated loading conditions of the assembly. The compound, cup profile and attachment influence how contact is established and maintained. A heavy duty description does not define a universal working load.

Custom dimensions, hardness and color can follow the application. Define the thread engagement and normal direction of force, including any turning effect from an offset load. Select the formulation for the temperature, fluids and cleaning conditions at the contact.

Evaluate the complete arrangement through representative cycles. Inspect whether the rim returns to its intended shape after release and whether the thread connection remains secure. Keep the contact face clear of particles and residue before placement. During maintenance, look for nicks, curling or a change in the rubber's surface condition. If the loading geometry changes, reassess the cup rather than assuming an unchanged mounting thread means the original contact behavior will remain suitable.

Material options

Natural rubber compound options, customized alongside the profile and contact conditions.

Hardness selection

Solid rubber options: 30–90 Shore A. Define the thread engagement and normal direction of force, including any turning effect from an offset load.

Custom geometry

The compound, cup profile and attachment influence how contact is established and maintained.

Fit evaluation

Inspect whether the rim returns to its intended shape after release and whether the thread connection remains secure.

Color & OEM

Custom colors; OEM markings outside the suction contact face.

Photos illustrate structure or material appearance only. The compound, cup profile and attachment influence how contact is established and maintained. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.