Mushroom Plugs

Below is our standard range of Mushroom Plugs.

A Mushroom Plug is used for blanking off holes in metal panels, especially where the panel is too thick for a standard Blind Grommet. We stock a number of different styles of rubber plugs.

Our range of Mushroom Plugs are stocked in one of Nitrile, Neoprene, EPDM, Natural Rubber and Silicone. They can be manufactured in any rubber listed in our Materials section. Please see our Materials page for more information on the types of rubber we can offer.

  • Same day despatch on stock items.
  • 5 - 7 working days average lead time for made to order standard parts.
  • Minimum order value of £30 (plus carriage and VAT - subject to stock)
  • Some parts may be subject to minimum order quantities should they not be in stock.

Prices and Availability

Contact our sales team now for prices and availability, by email to sales@grommets.co.uk or call +44 (0)1273 494 400.
Alternatively please use our contact form or online chat facility.

Measuring Guide

Need help measuring for the right sized part?

Please use the guide to help you measure dimensions of the Mushroom Plugs you require. Then select a product code from the list that may be suitable for your measurements.

Measuring Guide Contact Us

Measuring Guide

Measuring Guide for Mushroom Plugs

Please use the diagram above to help you measure the a, b, c dimensions of the Mushroom Plugs you require. Using these measurements as a guide you can then select a product code from the list that may be suitable for your requirements.

All of our part numbers are made up of the three a, b, c dimensions of the part itself.

Measuring Guide (854KB)

Need Help?

Mushroom Plugs Product List/Sizes

Our Mushroom Plugs are listed in order of their panel hole size, starting with the smallest.
Use your ‘a’ dimension to find a suitable part in our list. All our part numbers are made up of the three a, b, c dimensions of the part itself.

Mushroom Plugs

Measuring Guide for Mushroom Plugs
Part Numbera (mm)b (mm)c (mm)
G11-MP30-60-643.06.06.4
G11-MP35-80-653.58.06.5
G11-MP40-50-654.05.06.5
G11-MP44-50-704.45.07.0
G11-MP48-50-1304.85.013.0
G11-MP50-65-655.06.56.5
G11-MP64-56-1306.45.613.0
G11-MP80-60-1308.06.013.0
G11-MP80-120-2008.012.020.0
G11-MP80-200-958.020.09.5
G11-MP80-700-2008.070.020.0
G11-MP95-100-1919.510.019.1
G11-MP111-100-19111.110.019.1
G11-MP127-100-19112.710.019.1
G11-MP155-127-220S 'TOP HAT'15.512.722.0
G11-MP180-100-25418.010.025.4
G11-MP191-159-31819.115.931.8
G11-MP200-159-31820.015.931.8
G11-MP222-159-31822.215.931.8
G11-MP254-159-31825.415.931.8
G11-MP350-320-420S35.032.042.0
G11-MP400-350-500S40.035.050.0
G11-MP580-100-72058.010.072.0
G11-MP780-180-88078.018.088.0
Measuring Guide for Mushroom Plugs