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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
$0.2014 - $1.3032 6400 In stock
0.234 in
1.500 in
600 °F
$0.0701 - $0.4325 3682 In stock
0.080 in
0.750 in
425 °F
$0.0826 - $0.51 242518 In stock
0.109 in
0.750 in
425 °F
$0.1454 - $0.9404 8000 In stock
0.295 in
1.000 in
425 °F
$0.1646 - $1.066 4000 In stock
0.312 in
1.500 in
425 °F
$0.2112 - $1.3668 Request the lead time here
0.355 in
1.500 in
425 °F
$0.0733 - $0.4543 2106 In stock
0.093 in
0.750 in
425 °F
SC018705B $0.1072 - $0.6617 Request the lead time here
0.187 in
0.500 in
425 °F
$0.1241 - $0.803 3000 In stock
0.234 in
1.000 in
425 °F
$0.15 - $0.9703 1490 In stock
0.250 in
1.500 in
425 °F
SC029505A $0.1831 - $1.1837 1000 In stock
0.295 in
0.500 in
600 °F
$0.196 - $1.2673 3750 In stock
0.312 in
1.000 in
600 °F
$0.1238 - $0.801 2045 In stock
0.234 in
0.500 in
425 °F
SC025010C $0.1283 - $0.8309 1596 In stock
0.250 in
1.000 in
425 °F
$0.0613 - $0.3786 22767 In stock
0.100 in
0.500 in
425 °F
$0.1367 - $0.8849 Request the lead time here
0.234 in
1.125 in
425 °F
$0.1326 - $0.8569 3000 In stock
0.281 in
1.000 in
425 °F
$0.196 - $1.2673 3000 In stock
0.295 in
1.750 in
425 °F
SC022310A $0.177 - $1.1459 45481 In stock
0.223 in
1.000 in
600 °F
$0.0862 - $0.5321 1000 In stock
0.125 in
1.000 in
425 °F
  • of 10
Straight Cap - Cap Inside Diameter - 5.9 mm | 0.234 in ; Inside Height - 38.1 mm | 1.500 in ; Natural

SC023415A

Price Range
$1.3032 - $0.2014

Stock Levels
6400 In stock
Attributes
  • Cap Inside Diameter
    0.234 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    1/4-20
Straight Cap - Cap Inside Diameter - 2 mm | 0.080 in ; Inside Height - 19.1 mm | 0.750 in ; Black

SC008007B

Price Range
$0.4325 - $0.0701

Stock Levels
3682 In stock
Attributes
  • Cap Inside Diameter
    0.080 in
  • Inside Height
    0.750 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    #3-48
Straight Cap - Cap Inside Diameter - 2.8 mm | 0.109 in ; Inside Height - 19.1 mm | 0.750 in ; Black

SC010907C

Price Range
$0.51 - $0.0826

Stock Levels
242518 In stock
Attributes
  • Cap Inside Diameter
    0.109 in
  • Inside Height
    0.750 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    #5-40,M3
Straight Cap - Cap Inside Diameter - 7.5 mm | 0.295 in ; Inside Height - 25.4 mm | 1.000 in ; Black

SC029510B

Price Range
$0.9404 - $0.1454

Stock Levels
8000 In stock
Attributes
  • Cap Inside Diameter
    0.295 in
  • Inside Height
    1.000 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 - 38.1 mm | 1.500 in ; Black

SC031215B

Price Range
$1.066 - $0.1646

Stock Levels
4000 In stock
Attributes
  • Cap Inside Diameter
    0.312 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • 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 ; Black

SC035515B

Price Range
$1.3668 - $0.2112

Stock Levels
Request the lead time here
Attributes
  • Cap Inside Diameter
    0.355 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    3/8-14
Straight Cap - Cap Inside Diameter - 2.4 mm | 0.093 in ; Inside Height - 19.1 mm | 0.750 in ; Black

SC009307B

Price Range
$0.4543 - $0.0733

Stock Levels
2106 In stock
Attributes
  • Cap Inside Diameter
    0.093 in
  • Inside Height
    0.750 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    #3-48
Straight Cap - Cap Inside Diameter - 4.7 mm | 0.187 in ; Inside Height - 12.7 mm | 0.500 in ; Black

SC018705B

Price Range
$0.6617 - $0.1072

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 - 5.9 mm | 0.234 in ; Inside Height - 25.4 mm | 1.000 in ; Black

SC023410C

Price Range
$0.803 - $0.1241

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 - 6.4 mm | 0.250 in ; Inside Height - 38.1 mm | 1.500 in ; Black

SC025015B

Price Range
$0.9703 - $0.15

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 - 7.5 mm | 0.295 in ; Inside Height - 12.7 mm | 0.500 in ; Natural

SC029505A

Price Range
$1.1837 - $0.1831

Stock Levels
1000 In stock
Attributes
  • Cap Inside Diameter
    0.295 in
  • Inside Height
    0.500 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 - 25.4 mm | 1.000 in ; Natural

SC031210A

Price Range
$1.2673 - $0.196

Stock Levels
3750 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 - 5.9 mm | 0.234 in ; Inside Height - 12.7 mm | 0.500 in ; Black

SC023405B

Price Range
$0.801 - $0.1238

Stock Levels
2045 In stock
Attributes
  • Cap Inside Diameter
    0.234 in
  • Inside Height
    0.500 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 - 25.4 mm | 1.000 in ; Black

SC025010C

Price Range
$0.8309 - $0.1283

Stock Levels
1596 In stock
Attributes
  • Cap Inside Diameter
    0.250 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    5/16-18
Straight Cap - Cap Inside Diameter - 2.5 mm | 0.100 in ; Inside Height - 12.7 mm | 0.500 in ; Black

SC010005B

Price Range
$0.3786 - $0.0613

Stock Levels
22767 In stock
Attributes
  • Cap Inside Diameter
    0.100 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    #4-40
Straight Cap - Cap Inside Diameter - 5.9 mm | 0.234 in ; Inside Height - 28.6 mm | 1.125 in ; Black

SC02341125B

Price Range
$0.8849 - $0.1367

Stock Levels
Request the lead time here
Attributes
  • Cap Inside Diameter
    0.234 in
  • Inside Height
    1.125 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    1/4-20
Straight Cap - Cap Inside Diameter - 7.1 mm | 0.281 in ; Inside Height - 25.4 mm | 1.000 in ; Black

SC028110B

Price Range
$0.8569 - $0.1326

Stock Levels
3000 In stock
Attributes
  • Cap Inside Diameter
    0.281 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    5/16-18
Straight Cap - Cap Inside Diameter - 7.5 mm | 0.295 in ; Inside Height - 44.5 mm | 1.750 in ; Black

SC029517B

Price Range
$1.2673 - $0.196

Stock Levels
3000 In stock
Attributes
  • Cap Inside Diameter
    0.295 in
  • Inside Height
    1.750 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    M8
Straight Cap - Cap Inside Diameter - 5.7 mm | 0.223 in ; Inside Height - 25.4 mm | 1.000 in ; Natural

SC022310A

Price Range
$1.1459 - $0.177

Stock Levels
45481 In stock
Attributes
  • Cap Inside Diameter
    0.223 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    M6
Straight Cap - Cap Inside Diameter - 3.2 mm | 0.125 in ; Inside Height - 25.4 mm | 1.000 in ; Black

SC012510C

Price Range
$0.5321 - $0.0862

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