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Masking Straight Caps & Plugs

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Straight Caps are an ideal solution for protecting and masking parts undergoing a variety of masking processes, including; painting, plating, powder coating, anodising, sand blasting, abrasive chemical processing, and processes that expose parts to high temperatures. They are highly versatile and can also be used as a plug to mask threaded or non-threaded holes.

These Masking Caps and Plugs can be used to protect studs, pins, tube ends and other applications that require protection. They are available in a choice of materials with a wide range of colour options to suit your project requirements. The range includes options moulded from a specially formulated silicone rubber that contains no colouring agent, which could bleed under high temperature conditions.

  • Materials: Ethylene Propylene Diene Monomer (EPDM) and Silicone Rubber
  • Colours: Black, Blue, Green, Grey, Natural, Orange, Pink, Purple and Yellow

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251 results
Product SKUs information
Item Code Price range Availability Colour Material Cap Inside Diameter Overall Height View
$0.8008 - $0.8873 998 In stock
Natural
Silicone Rubber
30.2 mm
$0.0729 - $0.0807 600 In stock
Natural
Silicone Rubber
4.8 mm
$0.2578 - $0.2858 Request the lead time here
Natural
Silicone Rubber
10.3 mm
$0.0392 - $0.0434 Request the lead time here
Natural
Silicone Rubber
3.0 mm
$0.9596 - $1.0633 Request the lead time here
Natural
Silicone Rubber
35.0 mm
$0.1056 - $0.117 Request the lead time here
Natural
Silicone Rubber
5.0 mm
$0.3494 - $0.3872 Request the lead time here
Natural
Silicone Rubber
11.1 mm
$0.1373 - $0.1522 Request the lead time here
Natural
Silicone Rubber
4.8 mm
$0.1009 - $0.1118 3055 In stock
Natural
Silicone Rubber
4.8 mm
$0.0346 - $0.0383 41 In stock
Natural
Silicone Rubber
1.1 mm
$0.7017 - $0.7775 610 In stock
Natural
Silicone Rubber
27.0 mm
$0.0672 - $0.0745 850 In stock
Natural
Silicone Rubber
5.0 mm
$0.0488 - $0.09 Request the lead time here
Natural
Silicone
3.2 mm
$0.0353 - $0.0651 Request the lead time here
Black
EPDM
5.9 mm
$0.0465 - $0.0858 Request the lead time here
Black
EPDM
4.8 mm
$0.4116 - $0.7583 Request the lead time here
Black
EPDM
27.5 mm
$0.2794 - $0.5146 Request the lead time here
Black
EPDM
15.9 mm
$0.7451 - $1.3726 98 In stock
Natural
Silicone
27.5 mm
$0.2997 - $0.5521 Request the lead time here
Black
EPDM
24.6 mm
$0.5747 - $1.0586 Request the lead time here
Black
EPDM
30.1 mm
  • of 13
Masking Straight Cap & Plug - Cap Inside Diameter - 30.2 mm | 1.189 in ; ; Natural

ST-1187-1500

Price Range
$0.8873 - $0.8008

Stock Levels
998 In stock
Attributes
  • Fitting Style
    Push Fit
  • Full Material
    Silicone Rubber
  • Colour
    Natural
  • Cap Inside Diameter
    30.2 mm
  • Inside Height
    38.1 mm
Masking Straight Cap & Plug - Cap Inside Diameter - 4.8 mm | 0.189 in ; ; Natural

ST-0187-0625

Price Range
$0.0807 - $0.0729

Stock Levels
600 In stock
Attributes
  • Fitting Style
    Push Fit
  • Full Material
    Silicone Rubber
  • Colour
    Natural
  • Cap Inside Diameter
    4.8 mm
  • Inside Height
    15.9 mm
Masking Straight Cap & Plug - Cap Inside Diameter - 10.3 mm | 0.406 in ; ; Natural

ST-0406-1500

Price Range
$0.2858 - $0.2578

Stock Levels
Request the lead time here
Attributes
  • Fitting Style
    Push Fit
  • Full Material
    Silicone Rubber
  • Colour
    Natural
  • Cap Inside Diameter
    10.3 mm
  • Inside Height
    31.8 mm
Masking Straight Cap & Plug - Cap Inside Diameter - 3.0 mm | 0.118 in ; ; Natural

ST-0120-0400

Price Range
$0.0434 - $0.0392

Stock Levels
Request the lead time here
Attributes
  • Fitting Style
    Push Fit
  • Full Material
    Silicone Rubber
  • Colour
    Natural
  • Cap Inside Diameter
    3.0 mm
  • Inside Height
    10.2 mm
Masking Straight Cap & Plug - Cap Inside Diameter - 35.0 mm | 1.378 in ; ; Natural

ST-1375-1500

Price Range
$1.0633 - $0.9596

Stock Levels
Request the lead time here
Attributes
  • Fitting Style
    Push Fit
  • Full Material
    Silicone Rubber
  • Colour
    Natural
  • Cap Inside Diameter
    35.0 mm
  • Inside Height
    38.1 mm
Masking Straight Cap & Plug - Cap Inside Diameter - 5.0 mm | 0.197 in ; ; Natural

ST-0197-1000

Price Range
$0.117 - $0.1056

Stock Levels
Request the lead time here
Attributes
  • Fitting Style
    Push Fit
  • Full Material
    Silicone Rubber
  • Colour
    Natural
  • Cap Inside Diameter
    5.0 mm
  • Inside Height
    25.4 mm
Masking Straight Cap & Plug - Cap Inside Diameter - 11.1 mm | 0.437 in ; ; Natural

ST-0437-2000

Price Range
$0.3872 - $0.3494

Stock Levels
Request the lead time here
Attributes
  • Fitting Style
    Push Fit
  • Full Material
    Silicone Rubber
  • Colour
    Natural
  • Cap Inside Diameter
    11.1 mm
  • Inside Height
    50.8 mm
Masking Straight Cap & Plug - Cap Inside Diameter - 4.8 mm | 0.189 in ; ; Natural

ST-0187-1500

Price Range
$0.1522 - $0.1373

Stock Levels
Request the lead time here
Attributes
  • Fitting Style
    Push Fit
  • Full Material
    Silicone Rubber
  • Colour
    Natural
  • Cap Inside Diameter
    4.8 mm
  • Inside Height
    38.1 mm
Masking Straight Cap & Plug - Cap Inside Diameter - 4.8 mm | 0.189 in ; ; Natural

ST-0187-1000

Price Range
$0.1118 - $0.1009

Stock Levels
3055 In stock
Attributes
  • Fitting Style
    Push Fit
  • Full Material
    Silicone Rubber
  • Colour
    Natural
  • Cap Inside Diameter
    4.8 mm
  • Inside Height
    25.4 mm
Masking Straight Cap & Plug - Cap Inside Diameter - 1.1 mm | 0.043 in ; ; Natural

ST-0040-0750

Price Range
$0.0383 - $0.0346

Stock Levels
41 In stock
Attributes
  • Fitting Style
    Push Fit
  • Full Material
    Silicone Rubber
  • Colour
    Natural
  • Cap Inside Diameter
    1.1 mm
  • Inside Height
    19.1 mm
Masking Straight Cap & Plug - Cap Inside Diameter - 27.0 mm | 1.063 in ; ; Natural

ST-1062-1500

Price Range
$0.7775 - $0.7017

Stock Levels
610 In stock
Attributes
  • Fitting Style
    Push Fit
  • Full Material
    Silicone Rubber
  • Colour
    Natural
  • Cap Inside Diameter
    27.0 mm
  • Inside Height
    38.1 mm
Masking Straight Cap & Plug - Cap Inside Diameter - 5.0 mm | 0.197 in ; ; Natural

ST-0197-0500

Price Range
$0.0745 - $0.0672

Stock Levels
850 In stock
Attributes
  • Fitting Style
    Push Fit
  • Full Material
    Silicone Rubber
  • Colour
    Natural
  • Cap Inside Diameter
    5.0 mm
  • Inside Height
    12.7 mm
Straight Cap - Cap Inside Diameter - 3.2 mm | 0.126 in ; Inside Height - 25.4 mm | 1 in ; Natural

10626696

Price Range
$0.09 - $0.0488

Stock Levels
Request the lead time here
Attributes
  • Fitting Style
    Push Fit
  • Full Material
    Silicone
  • Colour
    Natural
  • Cap Inside Diameter
    3.2 mm
  • Inside Height
    25.4 mm
N/A - Cap Inside Diameter - 5.9 mm | 0.232 in ; Inside Height - 12.7 mm | 0.500 in ; Black

1461862

Price Range
$0.0651 - $0.0353

Stock Levels
Request the lead time here
Attributes
  • Fitting Style
    Push Fit
  • Full Material
    Ethylene Propylene Diene Monomer Rubber
  • Colour
    Black
  • Compatible Thread Sizes (All)
    1/4-20,M6
  • Cap Inside Diameter
    5.9 mm
Straight Cap - Cap Inside Diameter - 4.8 mm | 0.189 in ; Inside Height - 25.4 mm | 1 in ; Black

10605622

Price Range
$0.0858 - $0.0465

Stock Levels
Request the lead time here
Attributes
  • Fitting Style
    Push Fit
  • Full Material
    Ethylene Propylene Diene Monomer Rubber
  • Colour
    Black
  • Compatible Thread Sizes (All)
    M5
  • Cap Inside Diameter
    4.8 mm
Straight Cap - Cap Inside Diameter - 27.5 mm | 1.083 in ; Inside Height - 76.2 mm | 3 in ; Black

10626719

Price Range
$0.7583 - $0.4116

Stock Levels
Request the lead time here
Attributes
  • Fitting Style
    Push Fit
  • Full Material
    Ethylene Propylene Diene Monomer Rubber
  • Colour
    Black
  • Cap Inside Diameter
    27.5 mm
  • Inside Height
    76.2 mm
Straight Cap - Cap Inside Diameter - 15.9 mm | 0.626 in ; Inside Height - 57.2 mm | 2.252 in ; Black

1516647

Price Range
$0.5146 - $0.2794

Stock Levels
Request the lead time here
Attributes
  • Fitting Style
    Push Fit
  • Full Material
    Ethylene Propylene Diene Monomer Rubber
  • Colour
    Black
  • Compatible Thread Sizes (All)
    3/8-14,M17
  • Cap Inside Diameter
    15.9 mm
Straight Cap - Cap Inside Diameter - 27.5 mm | 1.083 in ; Inside Height - 76.2 mm | 3 in ; Natural

10605592

Price Range
$1.3726 - $0.7451

Stock Levels
98 In stock
Attributes
  • Fitting Style
    Push Fit
  • Full Material
    Silicone
  • Colour
    Natural
  • Cap Inside Diameter
    27.5 mm
  • Inside Height
    76.2 mm
Straight Cap - Cap Inside Diameter - 24.6 mm | 0.969 in ; Inside Height - 38.1 mm | 1.5 in ; Black

10605684

Price Range
$0.5521 - $0.2997

Stock Levels
Request the lead time here
Attributes
  • Fitting Style
    Push Fit
  • Full Material
    Ethylene Propylene Diene Monomer Rubber
  • Colour
    Black
  • Cap Inside Diameter
    24.6 mm
  • Inside Height
    38.1 mm
Straight Cap - Cap Inside Diameter - 30.1 mm | 1.185 in ; Inside Height - 59.0 mm | 2.323 in ; Black

1516648

Price Range
$1.0586 - $0.5747

Stock Levels
Request the lead time here
Attributes
  • Fitting Style
    Push Fit
  • Full Material
    Ethylene Propylene Diene Monomer Rubber
  • Colour
    Black
  • Cap Inside Diameter
    30.1 mm
  • Inside Height
    59.0 mm