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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
$0.1527 - $0.9891 2596 In stock
0.250 in
1.000 in
425 °F
$0.1578 - $1.0202 3000 In stock
0.281 in
1.000 in
425 °F
$0.1731 - $1.1196 8000 In stock
0.295 in
1.000 in
425 °F
$0.2333 - $1.5087 3000 In stock
0.295 in
1.750 in
425 °F
$0.1961 - $1.269 7000 In stock
0.312 in
1.500 in
425 °F
$0.2514 - $1.6272 3000 In stock
0.355 in
1.500 in
425 °F
SC018705B $0.1275 - $0.7877 Request the lead time here
0.187 in
0.500 in
425 °F
$0.0603 - $0.3725 13000 In stock
0.020 in
0.500 in
600 °F
$0.1578 - $1.0202 8765 In stock
0.223 in
1.500 in
425 °F
$0.1139 - $0.7046 2000 In stock
0.070 in
1.000 in
600 °F
$0.1677 - $1.0841 1000 In stock
0.234 in
1.500 in
425 °F
$0.1785 - $1.1552 1490 In stock
0.250 in
1.500 in
425 °F
$0.1527 - $0.9891 5400 In stock
0.295 in
0.500 in
425 °F
$0.1469 - $0.9062 25000 In stock
0.125 in
1.000 in
600 °F
$0.1565 - $0.9654 2300 In stock
0.148 in
1.000 in
600 °F
$0.1758 - $1.0865 6000 In stock
0.156 in
1.000 in
600 °F
$0.1758 - $1.0865 500 In stock
0.172 in
1.000 in
600 °F
$0.1826 - $1.1267 2485 In stock
0.187 in
0.500 in
600 °F
$0.203 - $1.314 8000 In stock
0.187 in
1.500 in
600 °F
$0.1971 - $1.2765 2160 In stock
0.218 in
1.000 in
600 °F
  • of 10
Masking Straight Cap & Plug - 6.4 mm | 0.250 in Cap Inside Diameter, 218.3 °C | 425 °F Temperature, Black Inside Height Black

SC025010C

Price Range
$0.9891 - $0.1527

Stock Levels
2596 In stock
Attributes
  • Cap Inside Diameter
    0.250 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    5/16-18
Masking Straight Cap & Plug - 7.1 mm | 0.281 in Cap Inside Diameter, 218.3 °C | 425 °F Temperature, Black Inside Height Black

SC028110B

Price Range
$1.0202 - $0.1578

Stock Levels
3000 In stock
Attributes
  • Cap Inside Diameter
    0.281 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    5/16-18
Masking Straight Cap & Plug - 7.5 mm | 0.295 in Cap Inside Diameter, 218.3 °C | 425 °F Temperature, Black Inside Height Black

SC029510B

Price Range
$1.1196 - $0.1731

Stock Levels
8000 In stock
Attributes
  • Cap Inside Diameter
    0.295 in
  • Inside Height
    1.000 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

SC029517B

Price Range
$1.5087 - $0.2333

Stock Levels
3000 In stock
Attributes
  • Cap Inside Diameter
    0.295 in
  • Inside Height
    1.750 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    M8
Masking Straight Cap & Plug - 7.9 mm | 0.312 in Cap Inside Diameter, 218.3 °C | 425 °F Temperature, Black Inside Height Black

SC031215B

Price Range
$1.269 - $0.1961

Stock Levels
7000 In stock
Attributes
  • Cap Inside Diameter
    0.312 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    3/8-14
Masking Straight Cap & Plug - 9 mm | 0.355 in Cap Inside Diameter, 218.3 °C | 425 °F Temperature, Black Inside Height Black

SC035515B

Price Range
$1.6272 - $0.2514

Stock Levels
3000 In stock
Attributes
  • Cap Inside Diameter
    0.355 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    3/8-14
Masking Straight Cap & Plug - 4.7 mm | 0.187 in Cap Inside Diameter, 218.3 °C | 425 °F Temperature, Black Inside Height Black

SC018705B

Price Range
$0.7877 - $0.1275

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
Masking Straight Cap & Plug - 0.5 mm | 0.020 in Cap Inside Diameter, 315.6 °C | 600 °F Temperature, Natural Inside Height Natural

SC002005A

Price Range
$0.3725 - $0.0603

Stock Levels
13000 In stock
Attributes
  • Cap Inside Diameter
    0.020 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Fitting Style
    Push Fit
Masking Straight Cap & Plug - 5.7 mm | 0.223 in Cap Inside Diameter, 218.3 °C | 425 °F Temperature, Black Inside Height Black

SC022315B

Price Range
$1.0202 - $0.1578

Stock Levels
8765 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
Masking Straight Cap & Plug - 1.8 mm | 0.070 in Cap Inside Diameter, 315.6 °C | 600 °F Temperature, Natural Inside Height Natural

SC007010A

Price Range
$0.7046 - $0.1139

Stock Levels
2000 In stock
Attributes
  • Cap Inside Diameter
    0.070 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    #2-56,M2
Masking Straight Cap & Plug - 5.9 mm | 0.234 in Cap Inside Diameter, 218.3 °C | 425 °F Temperature, Black Inside Height Black

SC023415B

Price Range
$1.0841 - $0.1677

Stock Levels
1000 In stock
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
Masking Straight Cap & Plug - 6.4 mm | 0.250 in Cap Inside Diameter, 218.3 °C | 425 °F Temperature, Black Inside Height Black

SC025015B

Price Range
$1.1552 - $0.1785

Stock Levels
1490 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
$0.9891 - $0.1527

Stock Levels
5400 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
Masking Straight Cap & Plug - 3.2 mm | 0.125 in Cap Inside Diameter, 315.6 °C | 600 °F Temperature, Natural Inside Height Natural

SC012510A

Price Range
$0.9062 - $0.1469

Stock Levels
25000 In stock
Attributes
  • Cap Inside Diameter
    0.125 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    #6-32
Masking Straight Cap & Plug - 3.8 mm | 0.148 in Cap Inside Diameter, 315.6 °C | 600 °F Temperature, Natural Inside Height Natural

SC014810A

Price Range
$0.9654 - $0.1565

Stock Levels
2300 In stock
Attributes
  • Cap Inside Diameter
    0.148 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    M4
Masking Straight Cap & Plug - 4 mm | 0.156 in Cap Inside Diameter, 315.6 °C | 600 °F Temperature, Natural Inside Height Natural

SC015610A

Price Range
$1.0865 - $0.1758

Stock Levels
6000 In stock
Attributes
  • Cap Inside Diameter
    0.156 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    #8-32,M4
Masking Straight Cap & Plug - 4.4 mm | 0.172 in Cap Inside Diameter, 315.6 °C | 600 °F Temperature, Natural Inside Height Natural

SC017210A

Price Range
$1.0865 - $0.1758

Stock Levels
500 In stock
Attributes
  • Cap Inside Diameter
    0.172 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    M5,12-24
Masking Straight Cap & Plug - 4.7 mm | 0.187 in Cap Inside Diameter, 315.6 °C | 600 °F Temperature, Natural Inside Height Natural

SC018705A

Price Range
$1.1267 - $0.1826

Stock Levels
2485 In stock
Attributes
  • Cap Inside Diameter
    0.187 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    #12-24,M5
Masking Straight Cap & Plug - 4.7 mm | 0.187 in Cap Inside Diameter, 315.6 °C | 600 °F Temperature, Natural Inside Height Natural

SC018715A

Price Range
$1.314 - $0.203

Stock Levels
8000 In stock
Attributes
  • Cap Inside Diameter
    0.187 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    #12-24,M5
Masking Straight Cap & Plug - 5.5 mm | 0.218 in Cap Inside Diameter, 315.6 °C | 600 °F Temperature, Natural Inside Height Natural

SC021810A

Price Range
$1.2765 - $0.1971

Stock Levels
2160 In stock
Attributes
  • Cap Inside Diameter
    0.218 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    M6