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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
$0.2135 - $0.5931 2750 In stock
0.312 in
1.000 in
600 °F
$0.1644 - $0.4564 490 In stock
0.250 in
1.500 in
425 °F
$0.1328 - $0.86 Request the lead time here
0.295 in
0.500 in
425 °F
$0.1755 - $0.4875 4501 In stock
0.295 in
1.500 in
425 °F
$0.1503 - $0.4174 7000 In stock
0.312 in
1.000 in
425 °F
SC017205B $0.0964 - $0.2675 12624 In stock
0.172 in
0.500 in
425 °F
$0.1033 - $0.287 2000 In stock
0.187 in
1.000 in
425 °F
$0.4715 - $1.3098 2200 In stock
0.535 in
1.500 in
600 °F
$0.4903 - $1.3619 1984 In stock
0.600 in
1.500 in
600 °F
$0.9429 - $2.6191 900 In stock
0.625 in
2.500 in
600 °F
$0.5383 - $1.4954 950 In stock
0.730 in
1.500 in
600 °F
$1.2285 - $3.4127 12181 In stock
0.750 in
3.500 in
600 °F
SC081215A $1.0301 - $2.8616 900 In stock
0.812 in
1.500 in
600 °F
$0.7239 - $2.0108 27645 In stock
0.937 in
1.500 in
600 °F
$0.7854 - $2.1816 700 In stock
1.000 in
1.500 in
600 °F
$0.774 - $2.15 900 In stock
0.970 in
1.500 in
600 °F
$0.2768 - $0.7688 1359 In stock
0.480 in
1.500 in
425 °F
$0.3304 - $0.9178 1900 In stock
0.535 in
1.500 in
425 °F
$1.1713 - $3.2535 450 In stock
1.250 in
1.500 in
600 °F
$2.6356 - $7.3211 2373 In stock
2.000 in
2.000 in
600 °F
  • of 10
Straight Cap - Cap Inside Diameter - 7.9 mm | 0.312 in ; ; Natural

SC031210A

Price Range
$0.5931 - $0.2135

Stock Levels
2750 In stock
Attributes
  • Cap Inside Diameter
    0.312 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    3/8-14
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 ; Inside Height - 12.7 mm | 0.500 in ; Black

SC029505B

Price Range
$0.86 - $0.1328

Stock Levels
Request the lead time here
Attributes
  • Cap Inside Diameter
    0.295 in
  • Inside Height
    0.500 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 - 7.9 mm | 0.312 in ; ; Black

SC031210C

Price Range
$0.4174 - $0.1503

Stock Levels
7000 In stock
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 ; ; Black

SC017205B

Price Range
$0.2675 - $0.0964

Stock Levels
12624 In stock
Attributes
  • Cap Inside Diameter
    0.172 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    #10-24
Straight Cap - Cap Inside Diameter - 4.7 mm | 0.187 in ; ; Black

SC018710B

Price Range
$0.287 - $0.1033

Stock Levels
2000 In stock
Attributes
  • Cap Inside Diameter
    0.187 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    #12-24,M5
Straight Cap - Cap Inside Diameter - 13.6 mm | 0.535 in ; ; Natural

SC053515A

Price Range
$1.3098 - $0.4715

Stock Levels
2200 In stock
Attributes
  • Cap Inside Diameter
    0.535 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    9/16-12,M14
Straight Cap - Cap Inside Diameter - 15.2 mm | 0.600 in ; ; Natural

SC060015A

Price Range
$1.3619 - $0.4903

Stock Levels
1984 In stock
Attributes
  • Cap Inside Diameter
    0.600 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    5/8-11,M16
Straight Cap - Cap Inside Diameter - 15.9 mm | 0.625 in ; ; Natural

SC062525A

Price Range
$2.6191 - $0.9429

Stock Levels
900 In stock
Attributes
  • Cap Inside Diameter
    0.625 in
  • Inside Height
    2.500 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    M17
Straight Cap - Cap Inside Diameter - 18.5 mm | 0.730 in ; ; Natural

SC073015A

Price Range
$1.4954 - $0.5383

Stock Levels
950 In stock
Attributes
  • Cap Inside Diameter
    0.730 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    3/4-10,M19
Straight Cap - Cap Inside Diameter - 19.1 mm | 0.750 in ; ; Natural

SC075035A

Price Range
$3.4127 - $1.2285

Stock Levels
12181 In stock
Attributes
  • Cap Inside Diameter
    0.750 in
  • Inside Height
    3.500 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Fitting Style
    Push-Fit
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 - 23.8 mm | 0.937 in ; ; Natural

SC093715A

Price Range
$2.0108 - $0.7239

Stock Levels
27645 In stock
Attributes
  • Cap Inside Diameter
    0.937 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    M24
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 - 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 - 12.2 mm | 0.480 in ; ; Black

SC048015B

Price Range
$0.7688 - $0.2768

Stock Levels
1359 In stock
Attributes
  • Cap Inside Diameter
    0.480 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    1/2-13
Straight Cap - Cap Inside Diameter - 13.6 mm | 0.535 in ; ; Black

SC053515B

Price Range
$0.9178 - $0.3304

Stock Levels
1900 In stock
Attributes
  • Cap Inside Diameter
    0.535 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    9/16-12,M14
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 - 50.8 mm | 2.000 in ; ; Natural

SC200020A

Price Range
$7.3211 - $2.6356

Stock Levels
2373 In stock
Attributes
  • Cap Inside Diameter
    2.000 in
  • Inside Height
    2.000 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    2-4-1/2