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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
$0.106 - $0.7275 6000 In stock
0.234 in
1.125 in
600 °F
$0.0993 - $0.6816 9000 In stock
0.250 in
1.000 in
600 °F
SC028110A $0.103 - $0.7045 6400 In stock
0.281 in
1.000 in
600 °F
$0.112 - $0.7722 5500 In stock
0.295 in
1.000 in
600 °F
$0.153 - $1.0419 5000 In stock
0.295 in
1.750 in
600 °F
$0.127 - $0.8766 155500 In stock
0.312 in
1.500 in
600 °F
$0.162 - $1.1245 15989 In stock
0.355 in
1.500 in
600 °F
$0.0346 - $0.2386 17620 In stock
0.070 in
1.000 in
425 °F
$0.0536 - $0.3683 467 In stock
0.156 in
1.000 in
425 °F
$0.0536 - $0.3683 4000 In stock
0.172 in
1.000 in
425 °F
SC018705B $0.0555 - $0.3809 Request the lead time here
0.187 in
0.500 in
425 °F
$0.0718 - $0.4934 9765 In stock
0.223 in
1.500 in
425 °F
$0.0673 - $0.4624 3000 In stock
0.234 in
1.000 in
425 °F
$0.0763 - $0.5243 1000 In stock
0.234 in
1.500 in
425 °F
$0.0813 - $0.5588 1490 In stock
0.250 in
1.500 in
425 °F
$0.0608 - $0.4188 1000 In stock
0.100 in
1.000 in
600 °F
$0.0867 - $0.5978 4501 In stock
0.295 in
1.500 in
425 °F
$0.0742 - $0.5117 Request the lead time here
0.312 in
1.000 in
425 °F
$0.0764 - $0.5255 2000 In stock
0.172 in
1.000 in
600 °F
$0.0793 - $0.545 2485 In stock
0.187 in
0.500 in
600 °F
  • of 10
Straight Cap - Cap Inside Diameter - 5.9 mm | 0.234 in ; Inside Height - 28.6 mm | 1.125 in ; Natural

SC02341125A

Price Range
$0.7275 - $0.106

Stock Levels
6000 In stock
Attributes
  • Cap Inside Diameter
    0.234 in
  • Inside Height
    1.125 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    1/4-20
Straight Cap - Cap Inside Diameter - 6.4 mm | 0.250 in ; Inside Height - 25.4 mm | 1.000 in ; Natural

SC025010A

Price Range
$0.6816 - $0.0993

Stock Levels
9000 In stock
Attributes
  • Cap Inside Diameter
    0.250 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    5/16-18
Straight Cap - Cap Inside Diameter - 7.1 mm | 0.281 in ; Inside Height - 25.4 mm | 1.000 in ; Natural

SC028110A

Price Range
$0.7045 - $0.103

Stock Levels
6400 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 - 7.5 mm | 0.295 in ; Inside Height - 25.4 mm | 1.000 in ; Natural

SC029510A

Price Range
$0.7722 - $0.112

Stock Levels
5500 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 - 7.5 mm | 0.295 in ; Inside Height - 44.5 mm | 1.750 in ; Natural

SC029517A

Price Range
$1.0419 - $0.153

Stock Levels
5000 In stock
Attributes
  • Cap Inside Diameter
    0.295 in
  • Inside Height
    1.750 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    M8
Straight Cap - Cap Inside Diameter - 7.9 mm | 0.312 in ; Inside Height - 38.1 mm | 1.500 in ; Natural

SC031215A

Price Range
$0.8766 - $0.127

Stock Levels
155500 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 - 9 mm | 0.355 in ; Inside Height - 38.1 mm | 1.500 in ; Natural

SC035515A

Price Range
$1.1245 - $0.162

Stock Levels
15989 In stock
Attributes
  • Cap Inside Diameter
    0.355 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    3/8-14
Straight Cap - Cap Inside Diameter - 1.8 mm | 0.070 in ; Inside Height - 25.4 mm | 1.000 in ; Black

SC007010B

Price Range
$0.2386 - $0.0346

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 - 4 mm | 0.156 in ; Inside Height - 25.4 mm | 1.000 in ; Black

SC015610C

Price Range
$0.3683 - $0.0536

Stock Levels
467 In stock
Attributes
  • Cap Inside Diameter
    0.156 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    #8-32,M4
Straight Cap - Cap Inside Diameter - 4.4 mm | 0.172 in ; Inside Height - 25.4 mm | 1.000 in ; Black

SC017210B

Price Range
$0.3683 - $0.0536

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 - 4.7 mm | 0.187 in ; Inside Height - 12.7 mm | 0.500 in ; Black

SC018705B

Price Range
$0.3809 - $0.0555

Stock Levels
Request the lead time here
Attributes
  • Cap Inside Diameter
    0.187 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    #12-24,M5
Straight Cap - Cap Inside Diameter - 5.7 mm | 0.223 in ; Inside Height - 38.1 mm | 1.500 in ; Black

SC022315B

Price Range
$0.4934 - $0.0718

Stock Levels
9765 In stock
Attributes
  • Cap Inside Diameter
    0.223 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    M6
Straight Cap - Cap Inside Diameter - 5.9 mm | 0.234 in ; Inside Height - 25.4 mm | 1.000 in ; Black

SC023410C

Price Range
$0.4624 - $0.0673

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 - 5.9 mm | 0.234 in ; Inside Height - 38.1 mm | 1.500 in ; Black

SC023415B

Price Range
$0.5243 - $0.0763

Stock Levels
1000 In stock
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 ; Inside Height - 38.1 mm | 1.500 in ; Black

SC025015B

Price Range
$0.5588 - $0.0813

Stock Levels
1490 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 - 2.5 mm | 0.100 in ; Inside Height - 25.4 mm | 1.000 in ; Natural

SC010010A

Price Range
$0.4188 - $0.0608

Stock Levels
1000 In stock
Attributes
  • Cap Inside Diameter
    0.100 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    #4-40
Straight Cap - Cap Inside Diameter - 7.5 mm | 0.295 in ; Inside Height - 38.1 mm | 1.500 in ; Black

SC029515C

Price Range
$0.5978 - $0.0867

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 - 7.9 mm | 0.312 in ; Inside Height - 25.4 mm | 1.000 in ; Black

SC031210C

Price Range
$0.5117 - $0.0742

Stock Levels
Request the lead time here
Attributes
  • Cap Inside Diameter
    0.312 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    3/8-14
Straight Cap - Cap Inside Diameter - 4.4 mm | 0.172 in ; Inside Height - 25.4 mm | 1.000 in ; Natural

SC017210A

Price Range
$0.5255 - $0.0764

Stock Levels
2000 In stock
Attributes
  • Cap Inside Diameter
    0.172 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    M5,12-24
Straight Cap - Cap Inside Diameter - 4.7 mm | 0.187 in ; Inside Height - 12.7 mm | 0.500 in ; Natural

SC018705A

Price Range
$0.545 - $0.0793

Stock Levels
2485 In stock
Attributes
  • Cap Inside Diameter
    0.187 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    #12-24,M5