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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
$2.871 - $18.5705 300 In stock
1.750 in
2.000 in
600 °F
$0.1381 - $0.852 2800 In stock
0.148 in
1.000 in
425 °F
$0.1558 - $0.9594 4000 In stock
0.172 in
1.000 in
425 °F
$0.1789 - $1.1598 1000 In stock
0.187 in
1.500 in
425 °F
$0.1739 - $1.1238 2379 In stock
0.218 in
1.000 in
425 °F
$0.199 - $1.2854 4291 In stock
0.223 in
1.500 in
425 °F
$0.1861 - $1.2046 3000 In stock
0.234 in
1.000 in
425 °F
$0.2113 - $1.3658 Request the lead time here
0.234 in
1.500 in
425 °F
$0.225 - $1.4555 490 In stock
0.250 in
1.500 in
425 °F
$0.1925 - $1.2463 400 In stock
0.295 in
0.500 in
425 °F
$0.2405 - $1.5574 1501 In stock
0.295 in
1.500 in
425 °F
$0.2063 - $1.3333 8000 In stock
0.312 in
1.000 in
425 °F
$0.247 - $1.599 1000 In stock
0.340 in
1.000 in
425 °F
$0.2527 - $1.6346 7093 In stock
0.375 in
1.000 in
425 °F
$0.2837 - $1.8349 1600 In stock
0.281 in
1.000 in
600 °F
$0.3107 - $2.0116 5000 In stock
0.295 in
1.000 in
600 °F
$0.4186 - $2.7137 2000 In stock
0.295 in
1.750 in
600 °F
$0.1674 - $1.0853 1500 In stock
0.197 in
0.500 in
425 °F
$0.1858 - $1.2016 1100 In stock
0.223 in
1.000 in
425 °F
$0.1858 - $1.2016 2045 In stock
0.234 in
0.500 in
425 °F
  • of 10
Masking Straight Cap & Plug - Cap Inside Diameter - 44.5 mm | 1.750 in ; ; Yellow

SC175020

Price Range
$18.5705 - $2.871

Stock Levels
300 In stock
Attributes
  • Cap Inside Diameter
    1.750 in
  • Inside Height
    2.000 in
  • Maximum Temperature
    600 °F
  • Colour
    Yellow
  • Compatible Thread Sizes (All)
    1-3/4-5
Straight Cap - Cap Inside Diameter - 3.8 mm | 0.148 in ; ; Black

SC014810C

Price Range
$0.852 - $0.1381

Stock Levels
2800 In stock
Attributes
  • Cap Inside Diameter
    0.148 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    M4
Straight Cap - Cap Inside Diameter - 4.4 mm | 0.172 in ; ; Black

SC017210B

Price Range
$0.9594 - $0.1558

Stock Levels
4000 In stock
Attributes
  • Cap Inside Diameter
    0.172 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    M5,12-24
Straight Cap - Cap Inside Diameter - 4.7 mm | 0.187 in ; ; Black

SC018715B

Price Range
$1.1598 - $0.1789

Stock Levels
1000 In stock
Attributes
  • Cap Inside Diameter
    0.187 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    #12-24,M5
Straight Cap - Cap Inside Diameter - 5.5 mm | 0.218 in ; ; Black

SC021810B

Price Range
$1.1238 - $0.1739

Stock Levels
2379 In stock
Attributes
  • Cap Inside Diameter
    0.218 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    M6
Straight Cap - Cap Inside Diameter - 5.7 mm | 0.223 in ; ; Black

SC022315B

Price Range
$1.2854 - $0.199

Stock Levels
4291 In stock
Attributes
  • Cap Inside Diameter
    0.223 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    M6
Straight Cap - Cap Inside Diameter - 5.9 mm | 0.234 in ; ; Black

SC023410C

Price Range
$1.2046 - $0.1861

Stock Levels
3000 In stock
Attributes
  • Cap Inside Diameter
    0.234 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    1/4-20
Straight Cap - Cap Inside Diameter - 5.9 mm | 0.234 in ; ; Black

SC023415B

Price Range
$1.3658 - $0.2113

Stock Levels
Request the lead time here
Attributes
  • Cap Inside Diameter
    0.234 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    1/4-20
Straight Cap - Cap Inside Diameter - 6.4 mm | 0.250 in ; ; Black

SC025015B

Price Range
$1.4555 - $0.225

Stock Levels
490 In stock
Attributes
  • Cap Inside Diameter
    0.250 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    M8
Masking Straight Cap & Plug - 7.5 mm | 0.295 in Cap Inside Diameter, 218.3 °C | 425 °F Temperature, Black Inside Height Black

SC029505B

Price Range
$1.2463 - $0.1925

Stock Levels
400 In stock
Attributes
  • Cap Inside Diameter
    0.295 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    M8
Straight Cap - Cap Inside Diameter - 7.5 mm | 0.295 in ; ; Black

SC029515C

Price Range
$1.5574 - $0.2405

Stock Levels
1501 In stock
Attributes
  • Cap Inside Diameter
    0.295 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    M8
Straight Cap - Cap Inside Diameter - 7.9 mm | 0.312 in ; ; Black

SC031210C

Price Range
$1.3333 - $0.2063

Stock Levels
8000 In stock
Attributes
  • Cap Inside Diameter
    0.312 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    3/8-14
Straight Cap - Cap Inside Diameter - 8.6 mm | 0.340 in ; ; Black

SC034010B

Price Range
$1.599 - $0.247

Stock Levels
1000 In stock
Attributes
  • Cap Inside Diameter
    0.340 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    M10
Straight Cap - Cap Inside Diameter - 9.5 mm | 0.375 in ; ; Black

SC037510B

Price Range
$1.6346 - $0.2527

Stock Levels
7093 In stock
Attributes
  • Cap Inside Diameter
    0.375 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    M10
Straight Cap - Cap Inside Diameter - 7.1 mm | 0.281 in ; ; Natural

SC028110A

Price Range
$1.8349 - $0.2837

Stock Levels
1600 In stock
Attributes
  • Cap Inside Diameter
    0.281 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    5/16-18
Straight Cap - Cap Inside Diameter - 7.5 mm | 0.295 in ; ; Natural

SC029510A

Price Range
$2.0116 - $0.3107

Stock Levels
5000 In stock
Attributes
  • Cap Inside Diameter
    0.295 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    M8
Straight Cap - Cap Inside Diameter - 7.5 mm | 0.295 in ; ; Natural

SC029517A

Price Range
$2.7137 - $0.4186

Stock Levels
2000 In stock
Attributes
  • Cap Inside Diameter
    0.295 in
  • Inside Height
    1.750 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    M8
Straight Cap - Cap Inside Diameter - 5 mm | 0.197 in ; ; Black

SC019705B

Price Range
$1.0853 - $0.1674

Stock Levels
1500 In stock
Attributes
  • Cap Inside Diameter
    0.197 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    M6
Straight Cap - Cap Inside Diameter - 5.7 mm | 0.223 in ; ; Black

SC022310B

Price Range
$1.2016 - $0.1858

Stock Levels
1100 In stock
Attributes
  • Cap Inside Diameter
    0.223 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    M6
Straight Cap - Cap Inside Diameter - 5.9 mm | 0.234 in ; ; Black

SC023405B

Price Range
$1.2016 - $0.1858

Stock Levels
2045 In stock
Attributes
  • Cap Inside Diameter
    0.234 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    1/4-20