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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
$0.0533 - $0.329 3500 In stock
0.020 in
0.500 in
425 °F
$0.0848 - $0.526 Request the lead time here
0.040 in
0.750 in
425 °F
$0.1012 - $0.6216 5120 In stock
0.070 in
1.000 in
425 °F
$0.11 - $0.6815 4005 In stock
0.093 in
0.750 in
425 °F
$0.1238 - $0.765 1000 In stock
0.100 in
1.000 in
425 °F
$0.1292 - $0.7981 1000 In stock
0.125 in
1.000 in
425 °F
$0.1381 - $0.852 2800 In stock
0.148 in
1.000 in
425 °F
$0.1558 - $0.9594 1465 In stock
0.156 in
1.000 in
425 °F
$0.1558 - $0.9594 4000 In stock
0.172 in
1.000 in
425 °F
SC018705B $0.1608 - $0.9925 Request the lead time here
0.187 in
0.500 in
425 °F
$0.1789 - $1.1598 1000 In stock
0.187 in
1.500 in
425 °F
$0.1739 - $1.1238 2379 In stock
0.218 in
1.000 in
425 °F
$0.199 - $1.2854 4291 In stock
0.223 in
1.500 in
425 °F
$0.1861 - $1.2046 3000 In stock
0.234 in
1.000 in
425 °F
$0.2113 - $1.3658 Request the lead time here
0.234 in
1.500 in
425 °F
$0.225 - $1.4555 490 In stock
0.250 in
1.500 in
425 °F
$0.1925 - $1.2463 400 In stock
0.295 in
0.500 in
425 °F
$0.2405 - $1.5574 1501 In stock
0.295 in
1.500 in
425 °F
$0.2063 - $1.3333 8000 In stock
0.312 in
1.000 in
425 °F
$0.0866 - $0.5352 94502 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
$0.329 - $0.0533

Stock Levels
3500 In stock
Attributes
  • Cap Inside Diameter
    0.020 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Fitting Style
    Push Fit
Straight Cap - Cap Inside Diameter - 1 mm | 0.040 in ; ; Black

SC004007B

Price Range
$0.526 - $0.0848

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

SC007010B

Price Range
$0.6216 - $0.1012

Stock Levels
5120 In stock
Attributes
  • Cap Inside Diameter
    0.070 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    #2-56,M2
Straight Cap - Cap Inside Diameter - 2.4 mm | 0.093 in ; ; Black

SC009307B

Price Range
$0.6815 - $0.11

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

SC010010C

Price Range
$0.765 - $0.1238

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

SC012510C

Price Range
$0.7981 - $0.1292

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

SC014810C

Price Range
$0.852 - $0.1381

Stock Levels
2800 In stock
Attributes
  • Cap Inside Diameter
    0.148 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    M4
Straight Cap - Cap Inside Diameter - 4 mm | 0.156 in ; ; Black

SC015610C

Price Range
$0.9594 - $0.1558

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

SC017210B

Price Range
$0.9594 - $0.1558

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

SC018705B

Price Range
$0.9925 - $0.1608

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

SC018715B

Price Range
$1.1598 - $0.1789

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

SC021810B

Price Range
$1.1238 - $0.1739

Stock Levels
2379 In stock
Attributes
  • Cap Inside Diameter
    0.218 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    M6
Straight Cap - Cap Inside Diameter - 5.7 mm | 0.223 in ; ; Black

SC022315B

Price Range
$1.2854 - $0.199

Stock Levels
4291 In stock
Attributes
  • Cap Inside Diameter
    0.223 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    M6
Straight Cap - Cap Inside Diameter - 5.9 mm | 0.234 in ; ; Black

SC023410C

Price Range
$1.2046 - $0.1861

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

SC023415B

Price Range
$1.3658 - $0.2113

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

SC025015B

Price Range
$1.4555 - $0.225

Stock Levels
490 In stock
Attributes
  • Cap Inside Diameter
    0.250 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    M8
Masking Straight Cap & Plug - 7.5 mm | 0.295 in Cap Inside Diameter, 218.3 °C | 425 °F Temperature, Black Inside Height Black

SC029505B

Price Range
$1.2463 - $0.1925

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

SC029515C

Price Range
$1.5574 - $0.2405

Stock Levels
1501 In stock
Attributes
  • Cap Inside Diameter
    0.295 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    M8
Straight Cap - Cap Inside Diameter - 7.9 mm | 0.312 in ; ; Black

SC031210C

Price Range
$1.3333 - $0.2063

Stock Levels
8000 In stock
Attributes
  • Cap Inside Diameter
    0.312 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    3/8-14
Straight Cap - Cap Inside Diameter - 0.9 mm | 0.035 in ; ; Natural

SC003505A

Price Range
$0.5352 - $0.0866

Stock Levels
94502 In stock
Attributes
  • Cap Inside Diameter
    0.035 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Fitting Style
    Push Fit