AFAC Masking Systems

M20 Masking Plug Stopper Silicone Rubber | 063-19

Tapered Plug Bung Stopper Silicone Rubber

The tapered silicone rubber plug, bung, or stopper, is used to plug holes, both threaded and plain, to prevent contamination during finishing operations, such as electro-static powder coating, painting, E-Coat etc.

For other finishing operations, such as plating and anodising, the tapered plug can be used when it may be desirable to exclude chemicals used during the processes.

Used for:

  • Powder coating
  • Anodising
  • Electroplating
  • Hydrodipping

Next day delivery

Whatever purpose you want tapered plug, bung or stopper for, there are tons of options and most are in stock for next day delivery.

Tapered plug, bung or stopper Sizes

The tapered plug, bung or stopper takes the form of a truncated cone. These are available in many sizes to suit micro size holes, up to some that will fit into holes of over 100mm diameter. With varying lengths and diameters, there will be one in the range to suit every need.

Part Number"A" (mm)"B" (mm)"C" (mm)ColourPrice
063-00.8YW0.82.516Yellow

£0.03Add to basket

063-01.2-BL1.25.538Blue

£0.04Add to basket

063-01.6A-YW1.63.216Yellow

£0.02Add to basket

063-01.6B-OR1.65.019Orange

£0.03Add to basket

063-03-GN3.04.512Green

£0.03Add to basket

063-03.2-GN3.26.419Green

£0.04Add to basket

063-03.2A-BK3.29.532Black

£0.09Add to basket

063-03.2B-GY3.212.751Grey

£0.22Add to basket

063-03.2C-YW3.26.325Yellow

£0.04Add to basket

063-04-06-12-WH4.06.012White

£0.06Add to basket

063-04.8-BK4.88.716Black

£0.06Add to basket

063-04.8L-BK4.88.725Black

£0.07Add to basket

063-05-BK5.07.016Black

£0.06Add to basket

063-05.0A-GN5.010.048Green

£0.15Add to basket

063-06.3WH6.39.519White

£0.07Add to basket

063-06.3A-BK6.39.513Black

£0.06Add to basket

063-06.3B-BN6.311.025Brown

£0.12Add to basket

063-06.3C-BN6.39.525Brown

£0.09Add to basket

063-07.9-CL7.912.725Clear

£0.14Read more

063-07.9A-OR7.912.721Orange

£0.14Add to basket

063-07.9C-BL7.914.329Blue

£0.22Add to basket

063-099.011.520Clear

Read more

063-09.0C-CL8.9911.9925Clear

£0.15Add to basket

063-09-13-25BK9.013.025Black

£0.18Add to basket

063-10-GY10.012.520Grey

£0.24Add to basket

063-10A-BK10.015.025.4Black

£0.15Add to basket

063-12.7-GN12.716.725Green

£0.30Add to basket

063-15.915.920.625Clear

£0.50Add to basket

063-18.0-BL18.0124.0330Blue

£0.70Add to basket

Using Tapered plug, bung or stopper Silicone Rubber

To give the maximum flexibility in use, most stock sizes are produced from silicone rubber, which we call our BAKEWELL range, as the high temperature resistance of Silicone rubber bung makes them ideal for use in high temperature stoving ovens used in powder coating. As they do not deteriorate with heat, they can be re-used time and time again. The coatings do not adhere well to the BUNGS, so they can easily be cleaned, manually or by rumbling, to extend their life.

Fitting of the BUNGS is best achieved by pushing into the hole, then rotating the bung, so it fills the hole. When removing, they can usually just be pulled out. This is best done while the component to still warm.

Should you find powder or paint gaining access to the reverse end of the hole, either select an alternative Silicone rubber bung, or use one of our TUGPLUGS, which are particularly effective when through holes are deep.

Tapered plug, bung or stopper – The Material

Manufactured from silicone rubber, Silicone Rubber caps or BAKEWELL CAPLUGS are ideal for masking during electro-static powder coating, stove enamelling, E-Coat, plating and anodising.

Silicone Rubber

Incredibly versatile material with high temperature resistance and outstanding sealing properties. Available in a massive range of colours, Silicone rubber can be moulded and extruded with precision to supply durable quality products and components.

Technical InformationRead more about Silicone Rubber.
EPDM Rubber

A versatile material with excellent waterproofing, electrical insulation and noise reducing qualities, with good resistance to ketones, ordinary diluted acids, and alkalies.

Technical InformationRead more about EPDM Rubber.
Viton Rubber
Viton is a brand of synthetic rubber and fluoropolymer elastomer commonly used in O-rings, chemical-resistant gloves, and other moulded or extruded goods. The name is a registered trademark of The Chemours Company. Technical InformationRead more about Viton Rubber.
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