Cylindrical plug 20978105
threadedsiliconevent

Cylindrical plug - 20978105 - Essentra Components - threaded / silicone / vent
Cylindrical plug - 20978105 - Essentra Components - threaded / silicone / vent
Cylindrical plug - 20978105 - Essentra Components - threaded / silicone / vent - image - 2
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Characteristics

Form
cylindrical
Type
threaded
Material
silicone
Function
vent
Other characteristics
vented
Diameter

Max.: 17.9 mm
(0.705 in)

Min.: 10.65 mm
(0.419 in)

Description

Product Description
The Dual Fit Cap-Plug is engineered to provide reliable protection for component apertures, safeguarding the external wall when used as a cap or the internal wall when used as a plug. This dual-purpose design provides a versatile, cost-effective solution for industrial masking and protection. Each silicone cap-plug is colour-coded for quick size identification and includes a self-closing vent that ensures secure, full adhesion once positioned.

Key Features
  • Dual-purpose design (cap or plug)
  • Protects internal and external component walls
  • Self-closing vent for improved sealing and adhesion
  • Colour-coded sizes for fast identification


Variants / SKUs
Essentra Part Number | Price range | Availability | Colour | Inside Diameter | Inside Height | Outside Diameter | Outside Height | To Fit Thread as Cap | To Fit Thread as Plug
20978105 | £0.1283 - £0.1426 | Request lead time | Brown | 10.50 mm | 35.0 mm | 14.40 mm | 20.0 mm | M10 | M16
20978099 | £0.0960 - £0.1067 | Request lead time | Blue | 6.50 mm | 35.0 mm | 10.65 mm | 20.0 mm | M6 | M12
20978112 | £0.1488 - £0.1654 | Request lead time | Blue | 14.50 mm | 35.0 mm | 17.90 mm | 20.0 mm | M14 | M20

Usage & Applications
  • Protecting internal or external walls of component apertures
  • Industrial masking and protection during finishing and coating processes
  • General-purpose cap/plug applications where a vented seal is required


Technical characteristics / specifications
  • Material: Silicone
  • Colour options: Blue, Brown
  • Series Code: SRF0086
  • Self-closing vent for improved adhesion/performance
  • Available thread fits: M6, M10, M12, M14, M16, M20 depending on SKU
  • Inside height (typical): 35.0 mm
  • Outside height (typical): 20.0 mm

Catalogs

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Exhibitions

Meet this supplier at the following exhibition(s):

Electra Mining Africa
Electra Mining Africa

7-11 Sep 2026 Johannesburg (South Africa)

  • More information
    MSPO 2026
    MSPO 2026

    8-11 Sep 2026 Kleice (Poland)

  • More information

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    *Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.