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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
$0.1116 - $0.7235 1500 In stock
0.197 in
0.500 in
425 °F
$0.1831 - $1.1837 1750 In stock
0.250 in
1.000 in
600 °F
SC025010C $0.1283 - $0.8309 5596 In stock
0.250 in
1.000 in
425 °F
$0.1283 - $0.8309 Request the lead time here
0.295 in
0.500 in
425 °F
$0.1646 - $1.066 3975 In stock
0.312 in
1.500 in
425 °F
$0.0628 - $0.3865 25000 In stock
0.062 in
0.750 in
425 °F
$0.0902 - $0.556 26637 In stock
0.140 in
1.000 in
425 °F
SC017205B $0.092 - $0.568 10624 In stock
0.172 in
0.500 in
425 °F
$0.6958 - $0.7325 2000 In stock
0.187 in
1.000 in
425 °F
$0.1238 - $0.801 6000 In stock
0.223 in
1.000 in
425 °F
$0.1367 - $0.8849 1000 In stock
0.234 in
1.125 in
425 °F
$0.1326 - $0.8569 1000 In stock
0.281 in
1.000 in
425 °F
$0.0956 - $0.5918 2000 In stock
0.070 in
1.000 in
600 °F
$0.0826 - $0.51 242518 In stock
0.109 in
0.750 in
425 °F
$0.1314 - $0.811 7000 In stock
0.148 in
1.000 in
600 °F
$0.1534 - $0.9464 485 In stock
0.187 in
0.500 in
600 °F
SC018705B $0.1072 - $0.6617 1000 In stock
0.187 in
0.500 in
425 °F
$0.1771 - $1.1476 25700 In stock
0.234 in
1.000 in
600 °F
$0.2153 - $1.3867 9000 In stock
0.250 in
1.500 in
600 °F
$0.15 - $0.9703 1490 In stock
0.250 in
1.500 in
425 °F
  • of 10
Straight Cap - Cap Inside Diameter - 5 mm | 0.197 in ; ; Black

SC019705B

Price Range
$0.7235 - $0.1116

Stock Levels
1500 In stock
Attributes
  • Cap Inside Diameter
    0.197 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    M6
Straight Cap - Cap Inside Diameter - 6.4 mm | 0.250 in ; ; Natural

SC025010A

Price Range
$1.1837 - $0.1831

Stock Levels
1750 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 - 6.4 mm | 0.250 in ; Inside Height - 25.4 mm | 1.000 in ; Black

SC025010C

Price Range
$0.8309 - $0.1283

Stock Levels
5596 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 - 7.5 mm | 0.295 in ; Inside Height - 12.7 mm | 0.500 in ; Black

SC029505B

Price Range
$0.8309 - $0.1283

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 - 7.9 mm | 0.312 in ; ; Black

SC031215B

Price Range
$1.066 - $0.1646

Stock Levels
3975 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 - 1.6 mm | 0.062 in ; ; Black

SC006207C

Price Range
$0.3865 - $0.0628

Stock Levels
25000 In stock
Attributes
  • Cap Inside Diameter
    0.062 in
  • Inside Height
    0.750 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Fitting Style
    Push-Fit
Straight Cap - Cap Inside Diameter - 3.6 mm | 0.140 in ; ; Black

SC014010C

Price Range
$0.556 - $0.0902

Stock Levels
26637 In stock
Attributes
  • Cap Inside Diameter
    0.140 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    M4,8-32
Straight Cap - Cap Inside Diameter - 4.4 mm | 0.172 in ; ; Black

SC017205B

Price Range
$0.568 - $0.092

Stock Levels
10624 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
$0.7325 - $0.6958

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 - 5.7 mm | 0.223 in ; ; Black

SC022310B

Price Range
$0.801 - $0.1238

Stock Levels
6000 In stock
Attributes
  • Cap Inside Diameter
    0.223 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

SC02341125B

Price Range
$0.8849 - $0.1367

Stock Levels
1000 In stock
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 ; ; Black

SC028110B

Price Range
$0.8569 - $0.1326

Stock Levels
1000 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 - 1.8 mm | 0.070 in ; ; Natural

SC007010A

Price Range
$0.5918 - $0.0956

Stock Levels
2000 In stock
Attributes
  • Cap Inside Diameter
    0.070 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    #2-56,M2
Straight Cap - Cap Inside Diameter - 2.8 mm | 0.109 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 - 3.8 mm | 0.148 in ; ; Natural

SC014810A

Price Range
$0.811 - $0.1314

Stock Levels
7000 In stock
Attributes
  • Cap Inside Diameter
    0.148 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    M4
Straight Cap - Cap Inside Diameter - 4.7 mm | 0.187 in ; ; Natural

SC018705A

Price Range
$0.9464 - $0.1534

Stock Levels
485 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
Straight Cap - Cap Inside Diameter - 4.7 mm | 0.187 in ; ; Black

SC018705B

Price Range
$0.6617 - $0.1072

Stock Levels
1000 In stock
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 ; ; Natural

SC023410A

Price Range
$1.1476 - $0.1771

Stock Levels
25700 In stock
Attributes
  • Cap Inside Diameter
    0.234 in
  • Inside Height
    1.000 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 ; ; Natural

SC025015A

Price Range
$1.3867 - $0.2153

Stock Levels
9000 In stock
Attributes
  • Cap Inside Diameter
    0.250 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    600 °F
  • Color
    Natural
  • Compatible Thread Sizes (All)
    M8
Straight Cap - Cap Inside Diameter - 6.4 mm | 0.250 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