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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
$0.1603 - $1.0382 4501 In stock
0.295 in
1.500 in
425 °F
$0.0613 - $0.3786 22767 In stock
0.100 in
0.500 in
425 °F
$0.1177 - $0.7274 11000 In stock
0.109 in
0.750 in
600 °F
$0.1234 - $0.7612 5000 In stock
0.156 in
0.500 in
600 °F
$0.1506 - $0.9305 10900 In stock
0.180 in
1.000 in
600 °F
SC019705A $0.1595 - $1.0302 4847 In stock
0.197 in
0.500 in
600 °F
$0.177 - $1.1459 Request the lead time here
0.234 in
0.500 in
600 °F
$0.1238 - $0.801 2045 In stock
0.234 in
0.500 in
425 °F
$0.2071 - $1.341 5000 In stock
0.295 in
1.000 in
600 °F
$0.2351 - $1.5224 79500 In stock
0.312 in
1.500 in
600 °F
$0.1646 - $1.066 1000 In stock
0.340 in
1.000 in
425 °F
$0.0876 - $0.5401 2800 In stock
0.100 in
0.500 in
600 °F
$0.1229 - $0.7951 Request the lead time here
0.140 in
1.000 in
600 °F
SC017205A $0.1314 - $0.811 1000 In stock
0.172 in
0.500 in
600 °F
$0.0355 - $0.2194 3990 In stock
0.020 in
0.500 in
425 °F
$0.0674 - $0.4144 17620 In stock
0.070 in
1.000 in
425 °F
SC028110A $0.1891 - $1.2233 6500 In stock
0.281 in
1.000 in
600 °F
$0.092 - $0.568 1000 In stock
0.148 in
1.000 in
425 °F
$0.1038 - $0.6396 4000 In stock
0.172 in
1.000 in
425 °F
$0.1159 - $0.7492 9379 In stock
0.218 in
1.000 in
425 °F
  • of 10
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 - 2.5 mm | 0.100 in ; ; Black

SC010005B

Price Range
$0.3786 - $0.0613

Stock Levels
22767 In stock
Attributes
  • Cap Inside Diameter
    0.100 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    #4-40
Straight Cap - Cap Inside Diameter - 2.8 mm | 0.109 in ; ; Natural

SC010907A

Price Range
$0.7274 - $0.1177

Stock Levels
11000 In stock
Attributes
  • Cap Inside Diameter
    0.109 in
  • Inside Height
    0.750 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    #5-40,M3
Straight Cap - Cap Inside Diameter - 4 mm | 0.156 in ; ; Natural

SC015605A

Price Range
$0.7612 - $0.1234

Stock Levels
5000 In stock
Attributes
  • Cap Inside Diameter
    0.156 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    #8-32,M4
Straight Cap - Cap Inside Diameter - 4.6 mm | 0.180 in ; ; Natural

SC018010A

Price Range
$0.9305 - $0.1506

Stock Levels
10900 In stock
Attributes
  • Cap Inside Diameter
    0.180 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    M5,12-24
Straight Cap - Cap Inside Diameter - 5 mm | 0.197 in ; ; Natural

SC019705A

Price Range
$1.0302 - $0.1595

Stock Levels
4847 In stock
Attributes
  • Cap Inside Diameter
    0.197 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    M6
Straight Cap - Cap Inside Diameter - 5.9 mm | 0.234 in ; ; Natural

SC023405A

Price Range
$1.1459 - $0.177

Stock Levels
Request the lead time here
Attributes
  • Cap Inside Diameter
    0.234 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    1/4-20
Straight Cap - Cap Inside Diameter - 5.9 mm | 0.234 in ; ; Black

SC023405B

Price Range
$0.801 - $0.1238

Stock Levels
2045 In stock
Attributes
  • Cap Inside Diameter
    0.234 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    1/4-20
Straight Cap - Cap Inside Diameter - 7.5 mm | 0.295 in ; ; Natural

SC029510A

Price Range
$1.341 - $0.2071

Stock Levels
5000 In stock
Attributes
  • Cap Inside Diameter
    0.295 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    M8
Straight Cap - Cap Inside Diameter - 7.9 mm | 0.312 in ; ; Natural

SC031215A

Price Range
$1.5224 - $0.2351

Stock Levels
79500 In stock
Attributes
  • Cap Inside Diameter
    0.312 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    3/8-14
Straight Cap - Cap Inside Diameter - 8.6 mm | 0.340 in ; ; Black

SC034010B

Price Range
$1.066 - $0.1646

Stock Levels
1000 In stock
Attributes
  • Cap Inside Diameter
    0.340 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    M10
Straight Cap - Cap Inside Diameter - 2.5 mm | 0.100 in ; ; Natural

SC010005A

Price Range
$0.5401 - $0.0876

Stock Levels
2800 In stock
Attributes
  • Cap Inside Diameter
    0.100 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    #4-40
Straight Cap - Cap Inside Diameter - 3.6 mm | 0.140 in ; ; Natural

SC014010A

Price Range
$0.7951 - $0.1229

Stock Levels
Request the lead time here
Attributes
  • Cap Inside Diameter
    0.140 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    M4,8-32
Straight Cap - Cap Inside Diameter - 4.4 mm | 0.172 in ; ; Natural

SC017205A

Price Range
$0.811 - $0.1314

Stock Levels
1000 In stock
Attributes
  • Cap Inside Diameter
    0.172 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    #10-24
Straight Cap - Cap Inside Diameter - 0.5 mm | 0.020 in ; ; Black

SC002005B

Price Range
$0.2194 - $0.0355

Stock Levels
3990 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 - 1.8 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 - 7.1 mm | 0.281 in ; ; Natural

SC028110A

Price Range
$1.2233 - $0.1891

Stock Levels
6500 In stock
Attributes
  • Cap Inside Diameter
    0.281 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    5/16-18
Straight Cap - Cap Inside Diameter - 3.8 mm | 0.148 in ; ; Black

SC014810C

Price Range
$0.568 - $0.092

Stock Levels
1000 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 - 4.4 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 - 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