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Masking Straight Caps

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These Masking Straight Caps are typically used to mask studs and tube ends. They have excellent sealing capabilities due to the flexible material that they are manufactured from. Ideal applications include; powder coating, e-coating, plating, anodizing and blasting.

Although they are primarily designed fpr use as a cap, if inverted, they can also be used to plug holes.

Available in a choice of two materials; Silicone and EPDM. Silicone is a premium masking material due to its high temperature and chemical resistant properties. EPDM is a more economical material option with a lower heat resistance but superior chemical resistance. Both material options can be used multiple times.

  • Materials: Silicone 60F (316C) and EPDM 425F (218C)
  • Colors: Blue, Black, White, Green, Grey, Pink and Yellow
  • Hardness: Durometer (Shore A) 55+5

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187 results
Product SKUs information
Item Code Price range Availability Cap Inside Diameter Inside Height Maximum Temperature View
$0.3006 - $0.835 400 In stock
0.437 in
1.000 in
600 °F
$0.3768 - $1.0467 200 In stock
0.468 in
1.000 in
600 °F
$0.1985 - $0.5514 27 In stock
0.406 in
1.000 in
425 °F
$0.258 - $0.7167 600 In stock
0.456 in
1.500 in
425 °F
$0.1328 - $0.86 Request the lead time here
0.295 in
0.500 in
425 °F
$0.1503 - $0.4174 7000 In stock
0.312 in
1.000 in
425 °F
$0.1843 - $0.5121 7093 In stock
0.375 in
1.000 in
425 °F
$0.1212 - $0.3367 5000 In stock
0.109 in
0.750 in
600 °F
$0.1521 - $0.4226 1000 In stock
0.172 in
1.000 in
600 °F
$0.356 - $0.9889 3000 In stock
0.281 in
1.000 in
600 °F
$0.2792 - $0.7757 550 In stock
0.406 in
1.000 in
600 °F
$0.4015 - $1.1152 396 In stock
0.500 in
1.500 in
600 °F
$0.5129 - $1.425 400 In stock
0.687 in
1.500 in
600 °F
$0.5785 - $1.6068 399 In stock
0.812 in
1.500 in
600 °F
$1.0676 - $2.9656 500 In stock
1.062 in
2.000 in
600 °F
$1.4034 - $3.8981 2950 In stock
1.500 in
1.750 in
600 °F
$0.1353 - $0.3757 6099 In stock
0.148 in
1.000 in
600 °F
$0.1917 - $0.5325 6973 In stock
0.234 in
1.000 in
600 °F
$0.4434 - $1.2317 4750 In stock
0.340 in
1.000 in
600 °F
$0.3705 - $1.0293 651 In stock
0.468 in
1.000 in
600 °F
  • of 10
Straight Cap - Cap Inside Diameter - 11.1 mm | 0.437 in ; ; Natural

SC043710A

Price Range
$0.835 - $0.3006

Stock Levels
400 In stock
Attributes
  • Cap Inside Diameter
    0.437 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    7/16
Straight Cap - Cap Inside Diameter - 11.9 mm | 0.468 in ; ; Natural

SC046810A

Price Range
$1.0467 - $0.3768

Stock Levels
200 In stock
Attributes
  • Cap Inside Diameter
    0.468 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Fitting Style
    Push-Fit
Straight Cap - Cap Inside Diameter - 10.3 mm | 0.406 in ; ; Black

SC040610B

Price Range
$0.5514 - $0.1985

Stock Levels
27 In stock
Attributes
  • Cap Inside Diameter
    0.406 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    7/16-14
Straight Cap - Cap Inside Diameter - 11.6 mm | 0.456 in ; ; Black

SC045615B

Price Range
$0.7167 - $0.258

Stock Levels
600 In stock
Attributes
  • Cap Inside Diameter
    0.456 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    M12
Straight Cap - Cap Inside Diameter - 7.5 mm | 0.295 in ; Inside Height - 12.7 mm | 0.500 in ; Black

SC029505B

Price Range
$0.86 - $0.1328

Stock Levels
Request the lead time here
Attributes
  • Cap Inside Diameter
    0.295 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    M8
Straight Cap - Cap Inside Diameter - 7.9 mm | 0.312 in ; ; Black

SC031210C

Price Range
$0.4174 - $0.1503

Stock Levels
7000 In stock
Attributes
  • Cap Inside Diameter
    0.312 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    3/8-14
Straight Cap - Cap Inside Diameter - 9.5 mm | 0.375 in ; ; Black

SC037510B

Price Range
$0.5121 - $0.1843

Stock Levels
7093 In stock
Attributes
  • Cap Inside Diameter
    0.375 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    M10
Masking Straight Cap & Plug - Cap Inside Diameter - 2.8 mm | 0.109 in ; ; Gray

SC010907

Price Range
$0.3367 - $0.1212

Stock Levels
5000 In stock
Attributes
  • Cap Inside Diameter
    0.109 in
  • Inside Height
    0.750 in
  • Maximum Temperature
    600 °F
  • Color
    Gray
  • Compatible Thread Sizes (All)
    #5-40,M3
Masking Straight Cap & Plug - Cap Inside Diameter - 4.4 mm | 0.172 in ; ; Blue

SC017210

Price Range
$0.4226 - $0.1521

Stock Levels
1000 In stock
Attributes
  • Cap Inside Diameter
    0.172 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Color
    Blue
  • Compatible Thread Sizes (All)
    M5,12-24
Masking Straight Cap & Plug - Cap Inside Diameter - 7.1 mm | 0.281 in ; ; Blue

SC028110

Price Range
$0.9889 - $0.356

Stock Levels
3000 In stock
Attributes
  • Cap Inside Diameter
    0.281 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Color
    Blue
  • Compatible Thread Sizes (All)
    5/16-18
Masking Straight Cap & Plug - Cap Inside Diameter - 10.3 mm | 0.406 in ; ; Blue

SC040610

Price Range
$0.7757 - $0.2792

Stock Levels
550 In stock
Attributes
  • Cap Inside Diameter
    0.406 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Color
    Blue
  • Compatible Thread Sizes (All)
    7/16-14
Masking Straight Cap & Plug - Cap Inside Diameter - 12.7 mm | 0.500 in ; ; Green

SC050015

Price Range
$1.1152 - $0.4015

Stock Levels
396 In stock
Attributes
  • Cap Inside Diameter
    0.500 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    600 °F
  • Color
    Green
  • Compatible Thread Sizes (All)
    M15
Masking Straight Cap & Plug - Cap Inside Diameter - 17.4 mm | 0.687 in ; ; Pink

SC068715

Price Range
$1.425 - $0.5129

Stock Levels
400 In stock
Attributes
  • Cap Inside Diameter
    0.687 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    600 °F
  • Color
    Pink
  • Fitting Style
    Push-Fit
Masking Straight Cap & Plug - Cap Inside Diameter - 20.6 mm | 0.812 in ; ; Gray

SC081215

Price Range
$1.6068 - $0.5785

Stock Levels
399 In stock
Attributes
  • Cap Inside Diameter
    0.812 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    600 °F
  • Color
    Gray
  • Compatible Thread Sizes (All)
    M24
Masking Straight Cap & Plug - Cap Inside Diameter - 27 mm | 1.062 in ; ; Gray

SC106220

Price Range
$2.9656 - $1.0676

Stock Levels
500 In stock
Attributes
  • Cap Inside Diameter
    1.062 in
  • Inside Height
    2.000 in
  • Maximum Temperature
    600 °F
  • Color
    Gray
  • Fitting Style
    Push-Fit
Masking Straight Cap & Plug - Cap Inside Diameter - 38.1 mm | 1.500 in ; ; Green

SC150017

Price Range
$3.8981 - $1.4034

Stock Levels
2950 In stock
Attributes
  • Cap Inside Diameter
    1.500 in
  • Inside Height
    1.750 in
  • Maximum Temperature
    600 °F
  • Color
    Green
  • Compatible Thread Sizes (All)
    1-1/4-7,M39
Masking Straight Cap & Plug - Cap Inside Diameter - 3.8 mm | 0.148 in ; ; Pink

SC014810

Price Range
$0.3757 - $0.1353

Stock Levels
6099 In stock
Attributes
  • Cap Inside Diameter
    0.148 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Color
    Pink
  • Compatible Thread Sizes (All)
    M4
Masking Straight Cap & Plug - Cap Inside Diameter - 5.9 mm | 0.234 in ; ; Green

SC023410

Price Range
$0.5325 - $0.1917

Stock Levels
6973 In stock
Attributes
  • Cap Inside Diameter
    0.234 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Color
    Green
  • Compatible Thread Sizes (All)
    1/4-20
Masking Straight Cap & Plug - Cap Inside Diameter - 8.6 mm | 0.340 in ; ; Pink

SC034010

Price Range
$1.2317 - $0.4434

Stock Levels
4750 In stock
Attributes
  • Cap Inside Diameter
    0.340 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Color
    Pink
  • Compatible Thread Sizes (All)
    M10
Masking Straight Cap & Plug - Cap Inside Diameter - 11.9 mm | 0.468 in ; ; White

SC046810

Price Range
$1.0293 - $0.3705

Stock Levels
651 In stock
Attributes
  • Cap Inside Diameter
    0.468 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Color
    White
  • Fitting Style
    Push-Fit