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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
$0.1917 - $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
$0.356 - $0.9889 3000 In stock
0.281 in
1.000 in
600 °F
$0.1212 - $0.3367 12000 In stock
0.100 in
1.000 in
600 °F
SC015610 $0.1521 - $0.4226 900 In stock
0.156 in
1.000 in
600 °F
$0.1972 - $0.5478 2300 In stock
0.250 in
1.000 in
600 °F
$0.4526 - $1.2573 500 In stock
0.375 in
1.000 in
600 °F
$0.0944 - $0.2622 10000 In stock
0.062 in
1.000 in
600 °F
$0.0845 - $0.2347 87000 In stock
0.040 in
0.750 in
600 °F
$0.1002 - $0.2784 2000 In stock
0.070 in
1.000 in
600 °F
SC009307A $0.1099 - $0.3053 2000 In stock
0.093 in
0.750 in
600 °F
$0.1234 - $0.3426 1000 In stock
0.100 in
1.000 in
600 °F
SC012510A $0.129 - $0.3581 19000 In stock
0.125 in
1.000 in
600 °F
$0.1376 - $0.3822 6900 In stock
0.148 in
1.000 in
600 °F
$0.1547 - $0.4298 16000 In stock
0.156 in
1.000 in
600 °F
$0.1547 - $0.4298 8767 In stock
0.172 in
1.000 in
600 °F
$0.1602 - $0.4451 1485 In stock
0.187 in
0.500 in
600 °F
$0.1876 - $0.5211 15000 In stock
0.187 in
1.500 in
600 °F
$0.0603 - $0.1677 97502 In stock
0.035 in
0.500 in
600 °F
$0.1691 - $0.4699 16000 In stock
0.187 in
1.000 in
600 °F
  • of 10
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 - 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 - 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 - 4 mm | 0.156 in ; ; Yellow

SC015610

Price Range
$0.4226 - $0.1521

Stock Levels
900 In stock
Attributes
  • Cap Inside Diameter
    0.156 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Color
    Yellow
  • Compatible Thread Sizes (All)
    #8-32,M4
Masking Straight Cap & Plug - Cap Inside Diameter - 6.4 mm | 0.250 in ; ; Gray

SC025010

Price Range
$0.5478 - $0.1972

Stock Levels
2300 In stock
Attributes
  • Cap Inside Diameter
    0.250 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Color
    Gray
  • Compatible Thread Sizes (All)
    5/16-18
Masking Straight Cap & Plug - Cap Inside Diameter - 9.5 mm | 0.375 in ; ; Yellow

SC037510

Price Range
$1.2573 - $0.4526

Stock Levels
500 In stock
Attributes
  • Cap Inside Diameter
    0.375 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Color
    Yellow
  • Compatible Thread Sizes (All)
    M10
Masking Straight Cap & Plug - Cap Inside Diameter - 1.6 mm | 0.062 in ; ; Blue

SC006210

Price Range
$0.2622 - $0.0944

Stock Levels
10000 In stock
Attributes
  • Cap Inside Diameter
    0.062 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Color
    Blue
  • Compatible Thread Sizes (All)
    M2
Straight Cap - Cap Inside Diameter - 1 mm | 0.040 in ; ; Natural

SC004007A

Price Range
$0.2347 - $0.0845

Stock Levels
87000 In stock
Attributes
  • Cap Inside Diameter
    0.040 in
  • Inside Height
    0.750 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Fitting Style
    Push-Fit
Straight Cap - Cap Inside Diameter - 1.8 mm | 0.070 in ; ; Natural

SC007010A

Price Range
$0.2784 - $0.1002

Stock Levels
2000 In stock
Attributes
  • Cap Inside Diameter
    0.070 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    #2-56,M2
Straight Cap - Cap Inside Diameter - 2.4 mm | 0.093 in ; ; Natural

SC009307A

Price Range
$0.3053 - $0.1099

Stock Levels
2000 In stock
Attributes
  • Cap Inside Diameter
    0.093 in
  • Inside Height
    0.750 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    #3-48
Straight Cap - Cap Inside Diameter - 2.5 mm | 0.100 in ; ; Natural

SC010010A

Price Range
$0.3426 - $0.1234

Stock Levels
1000 In stock
Attributes
  • Cap Inside Diameter
    0.100 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    #4-40
Straight Cap - Cap Inside Diameter - 3.2 mm | 0.125 in ; ; Natural

SC012510A

Price Range
$0.3581 - $0.129

Stock Levels
19000 In stock
Attributes
  • Cap Inside Diameter
    0.125 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    #6-32
Straight Cap - Cap Inside Diameter - 3.8 mm | 0.148 in ; ; Natural

SC014810A

Price Range
$0.3822 - $0.1376

Stock Levels
6900 In stock
Attributes
  • Cap Inside Diameter
    0.148 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    M4
Straight Cap - Cap Inside Diameter - 4 mm | 0.156 in ; ; Natural

SC015610A

Price Range
$0.4298 - $0.1547

Stock Levels
16000 In stock
Attributes
  • Cap Inside Diameter
    0.156 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    #8-32,M4
Straight Cap - Cap Inside Diameter - 4.4 mm | 0.172 in ; ; Natural

SC017210A

Price Range
$0.4298 - $0.1547

Stock Levels
8767 In stock
Attributes
  • Cap Inside Diameter
    0.172 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    M5,12-24
Straight Cap - Cap Inside Diameter - 4.7 mm | 0.187 in ; ; Natural

SC018705A

Price Range
$0.4451 - $0.1602

Stock Levels
1485 In stock
Attributes
  • Cap Inside Diameter
    0.187 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    #12-24,M5
Straight Cap - Cap Inside Diameter - 4.7 mm | 0.187 in ; ; Natural

SC018715A

Price Range
$0.5211 - $0.1876

Stock Levels
15000 In stock
Attributes
  • Cap Inside Diameter
    0.187 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    #12-24,M5
Straight Cap - Cap Inside Diameter - 0.9 mm | 0.035 in ; ; Natural

SC003505A

Price Range
$0.1677 - $0.0603

Stock Levels
97502 In stock
Attributes
  • Cap Inside Diameter
    0.035 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Fitting Style
    Push-Fit
Straight Cap - Cap Inside Diameter - 4.7 mm | 0.187 in ; ; Natural

SC018710A

Price Range
$0.4699 - $0.1691

Stock Levels
16000 In stock
Attributes
  • Cap Inside Diameter
    0.187 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    #12-24,M5