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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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74 results
Product SKUs information
Item Code Price range Availability Cap Inside Diameter Inside Height Maximum Temperature View
$0.1159 - $0.7492 9379 In stock
0.218 in
1.000 in
425 °F
$0.1326 - $0.8569 9765 In stock
0.223 in
1.500 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
$0.0403 - $0.2492 Request the lead time here
0.035 in
0.500 in
425 °F
$0.1038 - $0.6396 465 In stock
0.156 in
1.000 in
425 °F
SC018705B $0.1072 - $0.6617 1000 In stock
0.187 in
0.500 in
425 °F
$0.1193 - $0.7732 1000 In stock
0.187 in
1.500 in
425 °F
$0.1603 - $1.0382 4501 In stock
0.295 in
1.500 in
425 °F
$0.1646 - $1.066 1000 In stock
0.340 in
1.000 in
425 °F
$0.1367 - $0.8849 1000 In stock
0.234 in
1.125 in
425 °F
$0.0701 - $0.4325 Request the lead time here
0.080 in
0.750 in
425 °F
$0.0826 - $0.51 242518 In stock
0.109 in
0.750 in
425 °F
$0.092 - $0.568 1000 In stock
0.148 in
1.000 in
425 °F
$0.1238 - $0.801 2045 In stock
0.234 in
0.500 in
425 °F
SC025010C $0.1283 - $0.8309 5596 In stock
0.250 in
1.000 in
425 °F
$0.1685 - $1.0897 7140 In stock
0.375 in
1.000 in
425 °F
$0.6958 - $0.7325 2000 In stock
0.187 in
1.000 in
425 °F
$0.0355 - $0.2194 3990 In stock
0.020 in
0.500 in
425 °F
$0.0733 - $0.4543 4006 In stock
0.093 in
0.750 in
425 °F
  • of 4
Straight Cap - Cap Inside Diameter - 5.5 mm | 0.218 in ; ; Black

SC021810B

Price Range
$0.7492 - $0.1159

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 - 5.7 mm | 0.223 in ; ; Black

SC022315B

Price Range
$0.8569 - $0.1326

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 - 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 - 0.9 mm | 0.035 in ; Inside Height - 12.7 mm | 0.500 in ; Black

SC003505B

Price Range
$0.2492 - $0.0403

Stock Levels
Request the lead time here
Attributes
  • Cap Inside Diameter
    0.035 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Fitting Style
    Push-Fit
Straight Cap - Cap Inside Diameter - 4 mm | 0.156 in ; ; Black

SC015610C

Price Range
$0.6396 - $0.1038

Stock Levels
465 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 - 4.7 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 - 4.7 mm | 0.187 in ; ; Black

SC018715B

Price Range
$0.7732 - $0.1193

Stock Levels
1000 In stock
Attributes
  • Cap Inside Diameter
    0.187 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    #12-24,M5
Straight Cap - Cap Inside Diameter - 7.5 mm | 0.295 in ; ; Black

SC029515C

Price Range
$1.0382 - $0.1603

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
$1.066 - $0.1646

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 - 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 - 2 mm | 0.080 in ; ; Black

SC008007B

Price Range
$0.4325 - $0.0701

Stock Levels
Request the lead time here
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 ; ; 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 ; ; Black

SC014810C

Price Range
$0.568 - $0.092

Stock Levels
1000 In stock
Attributes
  • Cap Inside Diameter
    0.148 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    M4
Straight Cap - Cap Inside Diameter - 5.9 mm | 0.234 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
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 - 9.5 mm | 0.375 in ; ; Black

SC037510B

Price Range
$1.0897 - $0.1685

Stock Levels
7140 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 - 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 - 0.5 mm | 0.020 in ; ; Black

SC002005B

Price Range
$0.2194 - $0.0355

Stock Levels
3990 In stock
Attributes
  • Cap Inside Diameter
    0.020 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Fitting Style
    Push-Fit
Straight Cap - Cap Inside Diameter - 2.4 mm | 0.093 in ; ; Black

SC009307B

Price Range
$0.4543 - $0.0733

Stock Levels
4006 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