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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
$0.0371 - $0.103 4000 In stock
0.020 in
0.500 in
425 °F
$0.0592 - $0.1646 Request the lead time here
0.040 in
0.750 in
425 °F
$0.0703 - $0.1951 17620 In stock
0.070 in
1.000 in
425 °F
$0.0769 - $0.2137 2000 In stock
0.093 in
0.750 in
425 °F
$0.0862 - $0.2394 1000 In stock
0.100 in
1.000 in
425 °F
$0.0901 - $0.2505 1000 In stock
0.125 in
1.000 in
425 °F
$0.0964 - $0.2675 2000 In stock
0.148 in
1.000 in
425 °F
$0.1081 - $0.3002 1000 In stock
0.156 in
1.000 in
425 °F
$0.1081 - $0.3002 4000 In stock
0.172 in
1.000 in
425 °F
SC018705B $0.1123 - $0.3121 4000 In stock
0.187 in
0.500 in
425 °F
$0.1309 - $0.3636 1000 In stock
0.187 in
1.500 in
425 °F
$0.1271 - $0.3529 9379 In stock
0.218 in
1.000 in
425 °F
$0.1453 - $0.4037 5291 In stock
0.223 in
1.500 in
425 °F
$0.1359 - $0.3776 3000 In stock
0.234 in
1.000 in
425 °F
$0.1542 - $0.4285 2000 In stock
0.234 in
1.500 in
425 °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
$0.1802 - $0.5004 1000 In stock
0.340 in
1.000 in
425 °F
  • of 10
Straight Cap - Cap Inside Diameter - 0.5 mm | 0.020 in ; ; Black

SC002005B

Price Range
$0.103 - $0.0371

Stock Levels
4000 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 - 1 mm | 0.040 in ; ; Black

SC004007B

Price Range
$0.1646 - $0.0592

Stock Levels
Request the lead time here
Attributes
  • Cap Inside Diameter
    0.040 in
  • Inside Height
    0.750 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Fitting Style
    Push-Fit
Straight Cap - Cap Inside Diameter - 1.8 mm | 0.070 in ; ; Black

SC007010B

Price Range
$0.1951 - $0.0703

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 - 2.4 mm | 0.093 in ; ; Black

SC009307B

Price Range
$0.2137 - $0.0769

Stock Levels
2000 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 - 2.5 mm | 0.100 in ; ; Black

SC010010C

Price Range
$0.2394 - $0.0862

Stock Levels
1000 In stock
Attributes
  • Cap Inside Diameter
    0.100 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Color
    Black
  • Compatible Thread Sizes (All)
    #4-40
Straight Cap - Cap Inside Diameter - 3.2 mm | 0.125 in ; ; Black

SC012510C

Price Range
$0.2505 - $0.0901

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
Straight Cap - Cap Inside Diameter - 3.8 mm | 0.148 in ; ; Black

SC014810C

Price Range
$0.2675 - $0.0964

Stock Levels
2000 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 - 4 mm | 0.156 in ; ; Black

SC015610C

Price Range
$0.3002 - $0.1081

Stock Levels
1000 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 ; ; Black

SC017210B

Price Range
$0.3002 - $0.1081

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 ; ; Black

SC018705B

Price Range
$0.3121 - $0.1123

Stock Levels
4000 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
$0.3636 - $0.1309

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 - 5.5 mm | 0.218 in ; ; Black

SC021810B

Price Range
$0.3529 - $0.1271

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
$0.4037 - $0.1453

Stock Levels
5291 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 ; ; Black

SC023410C

Price Range
$0.3776 - $0.1359

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 ; ; Black

SC023415B

Price Range
$0.4285 - $0.1542

Stock Levels
2000 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 ; ; 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 - 8.6 mm | 0.340 in ; ; Black

SC034010B

Price Range
$0.5004 - $0.1802

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