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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
$2.1216 - $5.8934 50 In stock
1.625 in
2.000 in
425 °F
$2.4501 - $6.8061 50 In stock
1.875 in
2.000 in
425 °F
$0.1818 - $0.5051 5000 In stock
0.109 in
0.750 in
600 °F
$0.2282 - $0.6339 1000 In stock
0.172 in
1.000 in
600 °F
$0.534 - $1.4834 3000 In stock
0.281 in
1.000 in
600 °F
$0.4188 - $1.1636 550 In stock
0.406 in
1.000 in
600 °F
$0.6023 - $1.6728 396 In stock
0.500 in
1.500 in
600 °F
$0.7694 - $2.1375 500 In stock
0.687 in
1.500 in
600 °F
$0.8678 - $2.4102 449 In stock
0.812 in
1.500 in
600 °F
$1.6014 - $4.4484 500 In stock
1.062 in
2.000 in
600 °F
$2.1051 - $5.8472 2950 In stock
1.500 in
1.750 in
600 °F
$1.6014 - $4.4484 1085 In stock
1.125 in
1.500 in
600 °F
$0.6789 - $1.886 500 In stock
0.375 in
1.000 in
600 °F
$0.5804 - $1.6119 2247 In stock
0.480 in
1.500 in
600 °F
$0.7229 - $2.0079 250 In stock
0.600 in
1.500 in
600 °F
$0.8544 - $2.373 Request the lead time here
0.780 in
1.500 in
600 °F
$0.6762 - $1.8786 649 In stock
0.562 in
1.500 in
600 °F
$0.8238 - $2.2884 375 In stock
0.750 in
1.500 in
600 °F
$1.1412 - $3.1703 800 In stock
0.970 in
1.500 in
600 °F
$1.6014 - $4.4484 300 In stock
1.187 in
1.500 in
600 °F
  • of 10
Straight Cap - Cap Inside Diameter - 41.3 mm | 1.625 in ; ; Black

SC162520B

Price Range
$5.8934 - $2.1216

Stock Levels
50 In stock
Attributes
  • Cap Inside Diameter
    1.625 in
  • Inside Height
    2.000 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    1 - 5/8
Straight Cap - Cap Inside Diameter - 47.6 mm | 1.875 in ; ; Black

SC187520B

Price Range
$6.8061 - $2.4501

Stock Levels
50 In stock
Attributes
  • Cap Inside Diameter
    1.875 in
  • Inside Height
    2.000 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    1 - 7/8
Masking Straight Cap & Plug - Cap Inside Diameter - 2.8 mm | 0.109 in ; ; Grey

SC010907

Price Range
$0.5051 - $0.1818

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

SC017210

Price Range
$0.6339 - $0.2282

Stock Levels
1000 In stock
Attributes
  • Cap Inside Diameter
    0.172 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Colour
    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
$1.4834 - $0.534

Stock Levels
3000 In stock
Attributes
  • Cap Inside Diameter
    0.281 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Colour
    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
$1.1636 - $0.4188

Stock Levels
550 In stock
Attributes
  • Cap Inside Diameter
    0.406 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Colour
    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
$1.6728 - $0.6023

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

SC068715

Price Range
$2.1375 - $0.7694

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

SC081215

Price Range
$2.4102 - $0.8678

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

SC106220

Price Range
$4.4484 - $1.6014

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

SC150017

Price Range
$5.8472 - $2.1051

Stock Levels
2950 In stock
Attributes
  • Cap Inside Diameter
    1.500 in
  • Inside Height
    1.750 in
  • Maximum Temperature
    600 °F
  • Colour
    Green
  • Compatible Thread Sizes (All)
    1-1/4-7,M39
Masking Straight Cap & Plug - Cap Inside Diameter - 28.6 mm | 1.125 in ; ; Blue

SC112515

Price Range
$4.4484 - $1.6014

Stock Levels
1085 In stock
Attributes
  • Cap Inside Diameter
    1.125 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    600 °F
  • Colour
    Blue
  • Compatible Thread Sizes (All)
    M30
Masking Straight Cap & Plug - Cap Inside Diameter - 9.5 mm | 0.375 in ; ; Yellow

SC037510

Price Range
$1.886 - $0.6789

Stock Levels
500 In stock
Attributes
  • Cap Inside Diameter
    0.375 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Colour
    Yellow
  • Compatible Thread Sizes (All)
    M10
Masking Straight Cap & Plug - Cap Inside Diameter - 12.2 mm | 0.480 in ; ; Pink

SC048015

Price Range
$1.6119 - $0.5804

Stock Levels
2247 In stock
Attributes
  • Cap Inside Diameter
    0.480 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    600 °F
  • Colour
    Pink
  • Compatible Thread Sizes (All)
    1/2-13
Masking Straight Cap & Plug - Cap Inside Diameter - 15.2 mm | 0.600 in ; ; Grey

SC060015

Price Range
$2.0079 - $0.7229

Stock Levels
250 In stock
Attributes
  • Cap Inside Diameter
    0.600 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    600 °F
  • Colour
    Grey
  • Compatible Thread Sizes (All)
    5/8-11,M16
Masking Straight Cap & Plug - Cap Inside Diameter - 19.8 mm | 0.780 in ; ; Blue

SC078015

Price Range
$2.373 - $0.8544

Stock Levels
Request the lead time here
Attributes
  • Cap Inside Diameter
    0.780 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    600 °F
  • Colour
    Blue
  • Fitting Style
    Push Fit
Masking Straight Cap & Plug - Cap Inside Diameter - 14.3 mm | 0.562 in ; ; Blue

SC056215

Price Range
$1.8786 - $0.6762

Stock Levels
649 In stock
Attributes
  • Cap Inside Diameter
    0.562 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    600 °F
  • Colour
    Blue
  • Compatible Thread Sizes (All)
    M15
Masking Straight Cap & Plug - Cap Inside Diameter - 19.1 mm | 0.750 in ; ; Yellow

SC075015

Price Range
$2.2884 - $0.8238

Stock Levels
375 In stock
Attributes
  • Cap Inside Diameter
    0.750 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    600 °F
  • Colour
    Yellow
  • Fitting Style
    Push Fit
Masking Straight Cap & Plug - Cap Inside Diameter - 24.6 mm | 0.970 in ; ; Pink

SC097015

Price Range
$3.1703 - $1.1412

Stock Levels
800 In stock
Attributes
  • Cap Inside Diameter
    0.970 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    600 °F
  • Colour
    Pink
  • Compatible Thread Sizes (All)
    1-8,M25
Masking Straight Cap & Plug - Cap Inside Diameter - 30.1 mm | 1.187 in ; ; Yellow

SC118715

Price Range
$4.4484 - $1.6014

Stock Levels
300 In stock
Attributes
  • Cap Inside Diameter
    1.187 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    600 °F
  • Colour
    Yellow
  • Fitting Style
    Push Fit