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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
$2.6356 - $7.3211 2373 In stock
2.000 in
2.000 in
600 °F
$1.1415 - $3.1707 2100 In stock
1.500 in
1.750 in
425 °F
$2.3386 - $6.496 1850 In stock
1.875 in
2.000 in
600 °F
$1.4924 - $4.1455 264 In stock
1.750 in
2.000 in
425 °F
$0.3433 - $0.9538 Request the lead time here
0.600 in
1.500 in
425 °F
$0.7222 - $2.0061 300 In stock
0.812 in
1.500 in
425 °F
$0.5494 - $1.5261 1400 In stock
1.000 in
1.500 in
425 °F
$0.759 - $2.1083 Request the lead time here
1.187 in
1.500 in
425 °F
$0.1212 - $0.3367 12000 In stock
0.100 in
1.000 in
600 °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
$0.5785 - $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
$0.3705 - $1.0293 651 In stock
0.468 in
1.000 in
600 °F
$0.4508 - $1.2524 399 In stock
0.562 in
1.500 in
600 °F
$0.5492 - $1.5256 375 In stock
0.750 in
1.500 in
600 °F
$0.7608 - $2.1135 800 In stock
0.970 in
1.500 in
600 °F
$1.0676 - $2.9656 300 In stock
1.187 in
1.500 in
600 °F
  • of 10
Straight Cap - Cap Inside Diameter - 50.8 mm | 2.000 in ; ; Natural

SC200020A

Price Range
$7.3211 - $2.6356

Stock Levels
2373 In stock
Attributes
  • Cap Inside Diameter
    2.000 in
  • Inside Height
    2.000 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    2-4-1/2
Straight Cap - Cap Inside Diameter - 38.1 mm | 1.500 in ; ; Black

SC150017B

Price Range
$3.1707 - $1.1415

Stock Levels
2100 In stock
Attributes
  • Cap Inside Diameter
    1.500 in
  • Inside Height
    1.750 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    1-1/4-7,M39
Straight Cap - Cap Inside Diameter - 47.6 mm | 1.875 in ; ; Natural

SC187520A

Price Range
$6.496 - $2.3386

Stock Levels
1850 In stock
Attributes
  • Cap Inside Diameter
    1.875 in
  • Inside Height
    2.000 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    1 - 7/8
Straight Cap - Cap Inside Diameter - 44.5 mm | 1.750 in ; ; Black

SC175020B

Price Range
$4.1455 - $1.4924

Stock Levels
264 In stock
Attributes
  • Cap Inside Diameter
    1.750 in
  • Inside Height
    2.000 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    1-3/4-5
Straight Cap - Cap Inside Diameter - 15.2 mm | 0.600 in ; ; Black

SC060015C

Price Range
$0.9538 - $0.3433

Stock Levels
Request the lead time here
Attributes
  • Cap Inside Diameter
    0.600 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    5/8-11,M16
Straight Cap - Cap Inside Diameter - 20.6 mm | 0.812 in ; ; Black

SC081215B

Price Range
$2.0061 - $0.7222

Stock Levels
300 In stock
Attributes
  • Cap Inside Diameter
    0.812 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    M24
Straight Cap - Cap Inside Diameter - 25.4 mm | 1.000 in ; ; Black

SC100015B

Price Range
$1.5261 - $0.5494

Stock Levels
1400 In stock
Attributes
  • Cap Inside Diameter
    1.000 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    M27
Straight Cap - Cap Inside Diameter - 30.1 mm | 1.187 in ; ; Black

SC118715B

Price Range
$2.1083 - $0.759

Stock Levels
Request the lead time here
Attributes
  • Cap Inside Diameter
    1.187 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    1 - 3/16
Masking Straight Cap & Plug - Cap Inside Diameter - 2.5 mm | 0.100 in ; ; Green

SC010010

Price Range
$0.3367 - $0.1212

Stock Levels
12000 In stock
Attributes
  • Cap Inside Diameter
    0.100 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Color
    Green
  • Compatible Thread Sizes (All)
    #4-40
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 - 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 - 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
Masking Straight Cap & Plug - Cap Inside Diameter - 14.3 mm | 0.562 in ; ; Blue

SC056215

Price Range
$1.2524 - $0.4508

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

SC075015

Price Range
$1.5256 - $0.5492

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

SC097015

Price Range
$2.1135 - $0.7608

Stock Levels
800 In stock
Attributes
  • Cap Inside Diameter
    0.970 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    600 °F
  • Color
    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
$2.9656 - $1.0676

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