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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
$0.2958 - $0.8217 1300 In stock
0.250 in
1.000 in
600 °F
$0.387 - $1.0751 600 In stock
0.456 in
1.500 in
425 °F
$0.2321 - $0.6447 40767 In stock
0.172 in
1.000 in
600 °F
$0.2403 - $0.6677 1485 In stock
0.187 in
0.500 in
600 °F
$0.2814 - $0.7817 8000 In stock
0.187 in
1.500 in
600 °F
$0.2925 - $0.8124 45849 In stock
0.234 in
1.000 in
600 °F
$0.1622 - $0.4503 1000 In stock
0.156 in
1.000 in
425 °F
$0.1622 - $0.4503 4000 In stock
0.172 in
1.000 in
425 °F
SC018705B $0.1685 - $0.4682 7817 In stock
0.187 in
0.500 in
425 °F
$0.1907 - $0.5294 2379 In stock
0.218 in
1.000 in
425 °F
$0.2703 - $0.7506 1000 In stock
0.340 in
1.000 in
425 °F
$0.2765 - $0.7682 7093 In stock
0.375 in
1.000 in
425 °F
$0.0626 - $0.3869 Request the lead time here
0.035 in
0.500 in
425 °F
$0.0983 - $0.273 20370 In stock
0.062 in
0.750 in
425 °F
$0.1098 - $0.3048 Request the lead time here
0.080 in
0.750 in
425 °F
$0.0963 - $0.2675 13567 In stock
0.100 in
0.500 in
425 °F
$0.1656 - $0.4604 2000 In stock
0.180 in
1.000 in
425 °F
$0.2036 - $0.5657 1100 In stock
0.223 in
1.000 in
425 °F
$0.2036 - $0.5657 2045 In stock
0.234 in
0.500 in
425 °F
$0.225 - $0.6249 1500 In stock
0.234 in
1.125 in
425 °F
  • of 10
Masking Straight Cap & Plug - Cap Inside Diameter - 6.4 mm | 0.250 in ; ; Grey

SC025010

Price Range
$0.8217 - $0.2958

Stock Levels
1300 In stock
Attributes
  • Cap Inside Diameter
    0.250 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Colour
    Grey
  • Compatible Thread Sizes (All)
    5/16-18
Straight Cap - Cap Inside Diameter - 11.6 mm | 0.456 in ; ; Black

SC045615B

Price Range
$1.0751 - $0.387

Stock Levels
600 In stock
Attributes
  • Cap Inside Diameter
    0.456 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    M12
Straight Cap - Cap Inside Diameter - 4.4 mm | 0.172 in ; ; Natural

SC017210A

Price Range
$0.6447 - $0.2321

Stock Levels
40767 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
Straight Cap - Cap Inside Diameter - 4.7 mm | 0.187 in ; ; Natural

SC018705A

Price Range
$0.6677 - $0.2403

Stock Levels
1485 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
Straight Cap - Cap Inside Diameter - 4.7 mm | 0.187 in ; ; Natural

SC018715A

Price Range
$0.7817 - $0.2814

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
Straight Cap - Cap Inside Diameter - 5.9 mm | 0.234 in ; ; Natural

SC023410A

Price Range
$0.8124 - $0.2925

Stock Levels
45849 In stock
Attributes
  • Cap Inside Diameter
    0.234 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    1/4-20
Straight Cap - Cap Inside Diameter - 4 mm | 0.156 in ; ; Black

SC015610C

Price Range
$0.4503 - $0.1622

Stock Levels
1000 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
$0.4503 - $0.1622

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
$0.4682 - $0.1685

Stock Levels
7817 In stock
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 - 5.5 mm | 0.218 in ; ; Black

SC021810B

Price Range
$0.5294 - $0.1907

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 - 8.6 mm | 0.340 in ; ; Black

SC034010B

Price Range
$0.7506 - $0.2703

Stock Levels
1000 In stock
Attributes
  • Cap Inside Diameter
    0.340 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    M10
Straight Cap - Cap Inside Diameter - 9.5 mm | 0.375 in ; ; Black

SC037510B

Price Range
$0.7682 - $0.2765

Stock Levels
7093 In stock
Attributes
  • Cap Inside Diameter
    0.375 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    M10
Masking Straight Cap & Plug - 0.9 mm | 0.035 in Cap Inside Diameter, 218.3 °C | 425 °F Temperature, Black Inside Height Black

SC003505B

Price Range
$0.3869 - $0.0626

Stock Levels
Request the lead time here
Attributes
  • Cap Inside Diameter
    0.035 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Fitting Style
    Push Fit
Straight Cap - Cap Inside Diameter - 1.6 mm | 0.062 in ; ; Black

SC006207C

Price Range
$0.273 - $0.0983

Stock Levels
20370 In stock
Attributes
  • Cap Inside Diameter
    0.062 in
  • Inside Height
    0.750 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Fitting Style
    Push Fit
Straight Cap - Cap Inside Diameter - 2 mm | 0.080 in ; ; Black

SC008007B

Price Range
$0.3048 - $0.1098

Stock Levels
Request the lead time here
Attributes
  • Cap Inside Diameter
    0.080 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

SC010005B

Price Range
$0.2675 - $0.0963

Stock Levels
13567 In stock
Attributes
  • Cap Inside Diameter
    0.100 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    #4-40
Straight Cap - Cap Inside Diameter - 4.6 mm | 0.180 in ; ; Black

SC018010C

Price Range
$0.4604 - $0.1656

Stock Levels
2000 In stock
Attributes
  • Cap Inside Diameter
    0.180 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    M5,12-24
Straight Cap - Cap Inside Diameter - 5.7 mm | 0.223 in ; ; Black

SC022310B

Price Range
$0.5657 - $0.2036

Stock Levels
1100 In stock
Attributes
  • Cap Inside Diameter
    0.223 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    M6
Straight Cap - Cap Inside Diameter - 5.9 mm | 0.234 in ; ; Black

SC023405B

Price Range
$0.5657 - $0.2036

Stock Levels
2045 In stock
Attributes
  • Cap Inside Diameter
    0.234 in
  • Inside Height
    0.500 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

SC02341125B

Price Range
$0.6249 - $0.225

Stock Levels
1500 In stock
Attributes
  • Cap Inside Diameter
    0.234 in
  • Inside Height
    1.125 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    1/4-20