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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
$0.0862 - $0.2394 1000 In stock
0.100 in
1.000 in
425 °F
$0.0901 - $0.2505 1000 In stock
0.125 in
1.000 in
425 °F
$0.1542 - $0.4285 Request the lead time here
0.234 in
1.500 in
425 °F
$0.1644 - $0.4564 490 In stock
0.250 in
1.500 in
425 °F
$0.1755 - $0.4875 4501 In stock
0.295 in
1.500 in
425 °F
$0.1802 - $0.5004 1000 In stock
0.340 in
1.000 in
425 °F
$0.1843 - $0.5121 7093 In stock
0.375 in
1.000 in
425 °F
$0.1271 - $0.3529 9379 In stock
0.218 in
1.000 in
425 °F
$0.1359 - $0.3776 3000 In stock
0.234 in
1.000 in
425 °F
$0.2877 - $0.7993 200 In stock
0.500 in
1.500 in
425 °F
$0.4585 - $1.2736 1800 In stock
0.562 in
1.500 in
600 °F
$0.3489 - $0.9693 800 In stock
0.625 in
1.500 in
425 °F
$0.5587 - $1.552 300 In stock
0.750 in
1.500 in
600 °F
SC081215A $1.0301 - $2.8616 900 In stock
0.812 in
1.500 in
600 °F
$0.774 - $2.15 900 In stock
0.970 in
1.500 in
600 °F
$0.7854 - $2.1816 700 In stock
1.000 in
1.500 in
600 °F
$1.0859 - $3.0165 2700 In stock
1.125 in
1.500 in
600 °F
$1.1713 - $3.2535 450 In stock
1.250 in
1.500 in
600 °F
$1.4275 - $3.9651 1052 In stock
1.500 in
1.750 in
600 °F
$2.1345 - $5.929 2630 In stock
1.750 in
2.000 in
600 °F
  • of 10
Straight Cap - Cap Inside Diameter - 2.5 mm | 0.100 in ; ; Black

SC010010C

Price Range
$0.2394 - $0.0862

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
$0.2505 - $0.0901

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 - 5.9 mm | 0.234 in ; ; Black

SC023415B

Price Range
$0.4285 - $0.1542

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
$0.4564 - $0.1644

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 ; ; Black

SC029515C

Price Range
$0.4875 - $0.1755

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 - 8.6 mm | 0.340 in ; ; Black

SC034010B

Price Range
$0.5004 - $0.1802

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 - 9.5 mm | 0.375 in ; ; Black

SC037510B

Price Range
$0.5121 - $0.1843

Stock Levels
7093 In stock
Attributes
  • Cap Inside Diameter
    0.375 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    M10
Straight Cap - Cap Inside Diameter - 5.5 mm | 0.218 in ; ; Black

SC021810B

Price Range
$0.3529 - $0.1271

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 - 5.9 mm | 0.234 in ; ; Black

SC023410C

Price Range
$0.3776 - $0.1359

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 - 12.7 mm | 0.500 in ; ; Black

SC050015C

Price Range
$0.7993 - $0.2877

Stock Levels
200 In stock
Attributes
  • Cap Inside Diameter
    0.500 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    M15
Straight Cap - Cap Inside Diameter - 14.3 mm | 0.562 in ; ; Natural

SC056215A

Price Range
$1.2736 - $0.4585

Stock Levels
1800 In stock
Attributes
  • Cap Inside Diameter
    0.562 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    M15
Straight Cap - Cap Inside Diameter - 15.9 mm | 0.625 in ; ; Black

SC062515B

Price Range
$0.9693 - $0.3489

Stock Levels
800 In stock
Attributes
  • Cap Inside Diameter
    0.625 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    M17
Straight Cap - Cap Inside Diameter - 19.1 mm | 0.750 in ; ; Natural

SC075015A

Price Range
$1.552 - $0.5587

Stock Levels
300 In stock
Attributes
  • Cap Inside Diameter
    0.750 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    3/4
Straight Cap - Cap Inside Diameter - 20.6 mm | 0.812 in ; ; Natural

SC081215A

Price Range
$2.8616 - $1.0301

Stock Levels
900 In stock
Attributes
  • Cap Inside Diameter
    0.812 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    M24
Straight Cap - Cap Inside Diameter - 24.6 mm | 0.970 in ; ; Natural

SC097015A

Price Range
$2.15 - $0.774

Stock Levels
900 In stock
Attributes
  • Cap Inside Diameter
    0.970 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    1-8,M25
Straight Cap - Cap Inside Diameter - 25.4 mm | 1.000 in ; ; Natural

SC100015A

Price Range
$2.1816 - $0.7854

Stock Levels
700 In stock
Attributes
  • Cap Inside Diameter
    1.000 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    M27
Straight Cap - Cap Inside Diameter - 28.6 mm | 1.125 in ; ; Natural

SC112515A

Price Range
$3.0165 - $1.0859

Stock Levels
2700 In stock
Attributes
  • Cap Inside Diameter
    1.125 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    M30
Straight Cap - Cap Inside Diameter - 31.8 mm | 1.250 in ; ; Natural

SC125015A

Price Range
$3.2535 - $1.1713

Stock Levels
450 In stock
Attributes
  • Cap Inside Diameter
    1.250 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    1-1/4-7,M33
Straight Cap - Cap Inside Diameter - 38.1 mm | 1.500 in ; ; Natural

SC150017A

Price Range
$3.9651 - $1.4275

Stock Levels
1052 In stock
Attributes
  • Cap Inside Diameter
    1.500 in
  • Inside Height
    1.750 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    1-1/4-7,M39
Straight Cap - Cap Inside Diameter - 44.5 mm | 1.750 in ; ; Natural

SC175020A

Price Range
$5.929 - $2.1345

Stock Levels
2630 In stock
Attributes
  • Cap Inside Diameter
    1.750 in
  • Inside Height
    2.000 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    1-3/4-5