Low price NBR EPDM clear silicone cone hole rubber plugs

Cone hole rubber plugs close an opening through a tapered contact profile. The selected part should engage at a defined region of the cone, leaving enough exposed material for controlled removal. NBR, EPDM and silicone are material alternatives, and the desired clear appearance must be considered with the actual compound and wall geometry.

Match the opening to the intended working diameter rather than forcing the widest portion into place. Check the available depth so the tip cannot reach an internal obstruction before the contact band seats. A transparent sample does not establish a universal temperature or chemical capability. Custom dimensions and color can suit the specific application. Evaluate the closure on the mating part, then examine the contact band after removal for an uneven mark or cut. If appearance makes small damage difficult to see, inspect the surface under suitable lighting. Keep replacements tied to the evaluated geometry and compound instead of selecting another clear plug solely because it looks similar.

Material options

Custom silicone or EPDM / NBR formulation; select the compound alongside the mating geometry.

Hardness selection

Silicone: 20–80 Shore A; solid rubber: 30–90 Shore A. The selected part should engage at a defined region of the cone, leaving enough exposed material for controlled removal.

Custom geometry

Match the opening to the intended working diameter rather than forcing the widest portion into place.

Fit evaluation

If appearance makes small damage difficult to see, inspect the surface under suitable lighting.

Color & OEM

Custom colors; OEM identification positioned outside closure contact surfaces.

Photos illustrate structure or material appearance only. Cone hole rubber plugs close an opening through a tapered contact profile. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.