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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
$0.0355 - $0.2194 3000 In stock
0.020 in
0.500 in
425 °F
$0.0565 - $0.3506 Request the lead time here
0.040 in
0.750 in
425 °F
$0.0674 - $0.4144 17620 In stock
0.070 in
1.000 in
425 °F
$0.0733 - $0.4543 4005 In stock
0.093 in
0.750 in
425 °F
$0.0826 - $0.51 1000 In stock
0.100 in
1.000 in
425 °F
$0.0862 - $0.5321 1000 In stock
0.125 in
1.000 in
425 °F
$0.092 - $0.568 2000 In stock
0.148 in
1.000 in
425 °F
$0.1038 - $0.6396 1465 In stock
0.156 in
1.000 in
425 °F
$0.1038 - $0.6396 4000 In stock
0.172 in
1.000 in
425 °F
SC018705B $0.1072 - $0.6617 Request the lead time here
0.187 in
0.500 in
425 °F
$0.1193 - $0.7732 1000 In stock
0.187 in
1.500 in
425 °F
$0.1159 - $0.7492 9379 In stock
0.218 in
1.000 in
425 °F
$0.1326 - $0.8569 5291 In stock
0.223 in
1.500 in
425 °F
$0.1241 - $0.803 3000 In stock
0.234 in
1.000 in
425 °F
$0.1409 - $0.9106 Request the lead time here
0.234 in
1.500 in
425 °F
$0.15 - $0.9703 490 In stock
0.250 in
1.500 in
425 °F
$0.1283 - $0.8309 Request the lead time here
0.295 in
0.500 in
425 °F
$0.1603 - $1.0382 4501 In stock
0.295 in
1.500 in
425 °F
$0.1375 - $0.8888 7000 In stock
0.312 in
1.000 in
425 °F
$0.0577 - $0.3568 97502 In stock
0.035 in
0.500 in
600 °F
  • of 10
Straight Cap - Cap Inside Diameter - 0.5 mm | 0.020 in ; ; Black

SC002005B

Price Range
$0.2194 - $0.0355

Stock Levels
3000 In stock
Attributes
  • Cap Inside Diameter
    0.020 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Fitting Style
    Push-Fit
Straight Cap - Cap Inside Diameter - 1 mm | 0.040 in ; ; Black

SC004007B

Price Range
$0.3506 - $0.0565

Stock Levels
Request the lead time here
Attributes
  • Cap Inside Diameter
    0.040 in
  • Inside Height
    0.750 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Fitting Style
    Push-Fit
Straight Cap - Cap Inside Diameter - 1.8 mm | 0.070 in ; ; Black

SC007010B

Price Range
$0.4144 - $0.0674

Stock Levels
17620 In stock
Attributes
  • Cap Inside Diameter
    0.070 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    #2-56,M2
Straight Cap - Cap Inside Diameter - 2.4 mm | 0.093 in ; ; Black

SC009307B

Price Range
$0.4543 - $0.0733

Stock Levels
4005 In stock
Attributes
  • Cap Inside Diameter
    0.093 in
  • Inside Height
    0.750 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    #3-48
Straight Cap - Cap Inside Diameter - 2.5 mm | 0.100 in ; ; Black

SC010010C

Price Range
$0.51 - $0.0826

Stock Levels
1000 In stock
Attributes
  • Cap Inside Diameter
    0.100 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    #4-40
Straight Cap - Cap Inside Diameter - 3.2 mm | 0.125 in ; ; Black

SC012510C

Price Range
$0.5321 - $0.0862

Stock Levels
1000 In stock
Attributes
  • Cap Inside Diameter
    0.125 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    #6-32
Straight Cap - Cap Inside Diameter - 3.8 mm | 0.148 in ; ; Black

SC014810C

Price Range
$0.568 - $0.092

Stock Levels
2000 In stock
Attributes
  • Cap Inside Diameter
    0.148 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    M4
Straight Cap - Cap Inside Diameter - 4 mm | 0.156 in ; ; Black

SC015610C

Price Range
$0.6396 - $0.1038

Stock Levels
1465 In stock
Attributes
  • Cap Inside Diameter
    0.156 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    #8-32,M4
Straight Cap - Cap Inside Diameter - 4.4 mm | 0.172 in ; ; Black

SC017210B

Price Range
$0.6396 - $0.1038

Stock Levels
4000 In stock
Attributes
  • Cap Inside Diameter
    0.172 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    M5,12-24
Straight Cap - Cap Inside Diameter - 4.7 mm | 0.187 in ; ; Black

SC018705B

Price Range
$0.6617 - $0.1072

Stock Levels
Request the lead time here
Attributes
  • Cap Inside Diameter
    0.187 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    #12-24,M5
Straight Cap - Cap Inside Diameter - 4.7 mm | 0.187 in ; ; Black

SC018715B

Price Range
$0.7732 - $0.1193

Stock Levels
1000 In stock
Attributes
  • Cap Inside Diameter
    0.187 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    #12-24,M5
Straight Cap - Cap Inside Diameter - 5.5 mm | 0.218 in ; ; Black

SC021810B

Price Range
$0.7492 - $0.1159

Stock Levels
9379 In stock
Attributes
  • Cap Inside Diameter
    0.218 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    M6
Straight Cap - Cap Inside Diameter - 5.7 mm | 0.223 in ; ; Black

SC022315B

Price Range
$0.8569 - $0.1326

Stock Levels
5291 In stock
Attributes
  • Cap Inside Diameter
    0.223 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    M6
Straight Cap - Cap Inside Diameter - 5.9 mm | 0.234 in ; ; Black

SC023410C

Price Range
$0.803 - $0.1241

Stock Levels
3000 In stock
Attributes
  • Cap Inside Diameter
    0.234 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    1/4-20
Straight Cap - Cap Inside Diameter - 5.9 mm | 0.234 in ; ; Black

SC023415B

Price Range
$0.9106 - $0.1409

Stock Levels
Request the lead time here
Attributes
  • Cap Inside Diameter
    0.234 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    1/4-20
Straight Cap - Cap Inside Diameter - 6.4 mm | 0.250 in ; ; Black

SC025015B

Price Range
$0.9703 - $0.15

Stock Levels
490 In stock
Attributes
  • Cap Inside Diameter
    0.250 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    M8
Straight Cap - Cap Inside Diameter - 7.5 mm | 0.295 in ; Inside Height - 12.7 mm | 0.500 in ; Black

SC029505B

Price Range
$0.8309 - $0.1283

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 - 7.5 mm | 0.295 in ; ; Black

SC029515C

Price Range
$1.0382 - $0.1603

Stock Levels
4501 In stock
Attributes
  • Cap Inside Diameter
    0.295 in
  • Inside Height
    1.500 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
$0.8888 - $0.1375

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 - 0.9 mm | 0.035 in ; ; Natural

SC003505A

Price Range
$0.3568 - $0.0577

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