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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
$0.1009 - $0.1118 3055 In stock
Natural
Silicone Rubber
4.8 mm
$0.7017 - $0.7775 610 In stock
Natural
Silicone Rubber
27.0 mm
$0.3494 - $0.3872 Request the lead time here
Natural
Silicone Rubber
11.1 mm
$0.9596 - $1.0633 Request the lead time here
Natural
Silicone Rubber
35.0 mm
$0.0729 - $0.0807 600 In stock
Natural
Silicone Rubber
4.8 mm
$0.1373 - $0.1522 Request the lead time here
Natural
Silicone Rubber
4.8 mm
$0.0346 - $0.0383 41 In stock
Natural
Silicone Rubber
1.1 mm
$0.1056 - $0.117 Request the lead time here
Natural
Silicone Rubber
5.0 mm
$0.0392 - $0.0434 Request the lead time here
Natural
Silicone Rubber
3.0 mm
$0.0672 - $0.0745 850 In stock
Natural
Silicone Rubber
5.0 mm
$0.8008 - $0.8873 998 In stock
Natural
Silicone Rubber
30.2 mm
$0.2578 - $0.2858 Request the lead time here
Natural
Silicone Rubber
10.3 mm
$0.0839 - $0.1548 Request the lead time here
Natural
Silicone
3.2 mm
$0.1391 - $0.2563 Request the lead time here
Natural
Silicone
7.1 mm
$1.1165 - $2.0568 Request the lead time here
Natural
Silicone
19.1 mm
$0.675 - $1.2436 Request the lead time here
Natural
Silicone
22.2 mm
$0.0696 - $0.1283 10 In stock
Natural
Silicone
2.5 mm
$0.0274 - $0.0289 Request the lead time here
Black
EPDM
0.5 mm
$0.2043 - $0.3765 Request the lead time here
Black
EPDM
9.0 mm
$0.5757 - $1.0606 Request the lead time here
Black
EPDM
25.4 mm
  • of 13
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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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
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 - 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
Straight Cap - Cap Inside Diameter - 3.2 mm | 0.126 in ; Inside Height - 12.7 mm | 0.5 in ; Natural

461679

Price Range
$0.1548 - $0.0839

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
    12.7 mm
Straight Cap - Cap Inside Diameter - 7.1 mm | 0.28 in ; Inside Height - 12.7 mm | 0.5 in ; Natural

461696

Price Range
$0.2563 - $0.1391

Stock Levels
Request the lead time here
Attributes
  • Fitting Style
    Push Fit
  • Full Material
    Silicone
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    5/16-18
  • Cap Inside Diameter
    7.1 mm
Straight Cap - Cap Inside Diameter - 19.1 mm | 0.752 in ; Inside Height - 88.9 mm | 3.5 in ; Natural

461723

Price Range
$2.0568 - $1.1165

Stock Levels
Request the lead time here
Attributes
  • Fitting Style
    Push Fit
  • Full Material
    Silicone
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    3/4-10,M20
  • Cap Inside Diameter
    19.1 mm
Straight Cap - Cap Inside Diameter - 22.2 mm | 0.874 in ; Inside Height - 38.1 mm | 1.5 in ; Natural

41353

Price Range
$1.2436 - $0.675

Stock Levels
Request the lead time here
Attributes
  • Fitting Style
    Push Fit
  • Full Material
    Silicone
  • Colour
    Natural
  • Cap Inside Diameter
    22.2 mm
  • Inside Height
    38.1 mm
Straight Cap - Cap Inside Diameter - 2.5 mm | 0.098 in ; Inside Height - 25.4 mm | 1 in ; Natural

461677

Price Range
$0.1283 - $0.0696

Stock Levels
10 In stock
Attributes
  • Fitting Style
    Push Fit
  • Full Material
    Silicone
  • Colour
    Natural
  • Cap Inside Diameter
    2.5 mm
  • Inside Height
    25.4 mm
Straight Cap - Cap Inside Diameter - 0.5 mm | 0.02 in ; Inside Height - 12.7 mm | 0.5 in ; Black

461744

Price Range
$0.0289 - $0.0274

Stock Levels
Request the lead time here
Attributes
  • Fitting Style
    Push Fit
  • Full Material
    Ethylene Propylene Diene Monomer Rubber
  • Colour
    Black
  • Cap Inside Diameter
    0.5 mm
  • Inside Height
    12.7 mm
Straight Cap - Cap Inside Diameter - 9.0 mm | 0.354 in ; Inside Height - 38.1 mm | 1.5 in ; Black

461783

Price Range
$0.3765 - $0.2043

Stock Levels
Request the lead time here
Attributes
  • Fitting Style
    Push Fit
  • Full Material
    Ethylene Propylene Diene Monomer Rubber
  • Colour
    Black
  • Cap Inside Diameter
    9.0 mm
  • Inside Height
    38.1 mm
Straight Cap - Cap Inside Diameter - 25.4 mm | 1 in ; Inside Height - 38.1 mm | 1.5 in ; Black

461824

Price Range
$1.0606 - $0.5757

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,M27
  • Cap Inside Diameter
    25.4 mm