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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
$0.0533 - $0.329 4500 In stock
0.020 in
0.500 in
425 °F
$0.1766 - $1.0912 1000 In stock
0.100 in
1.000 in
600 °F
$0.302 - $1.9548 7400 In stock
0.234 in
1.500 in
600 °F
$0.1858 - $1.2016 1100 In stock
0.223 in
1.000 in
425 °F
$0.15 - $0.9266 44000 In stock
0.080 in
0.750 in
600 °F
$0.199 - $1.2854 3000 In stock
0.281 in
1.000 in
425 °F
$0.294 - $1.901 3000 In stock
0.295 in
1.750 in
425 °F
$0.2419 - $1.4972 13000 In stock
0.187 in
1.000 in
600 °F
$0.247 - $1.599 4000 In stock
0.312 in
1.500 in
425 °F
$0.4186 - $2.7137 3000 In stock
0.295 in
1.750 in
600 °F
$0.4543 - $2.929 26989 In stock
0.355 in
1.500 in
600 °F
$0.1435 - $0.8878 2000 In stock
0.070 in
1.000 in
600 °F
$0.1558 - $0.9594 4000 In stock
0.172 in
1.000 in
425 °F
$0.092 - $0.568 14767 In stock
0.100 in
0.500 in
425 °F
$0.1381 - $0.852 19624 In stock
0.172 in
0.500 in
425 °F
$0.185 - $1.1418 1000 In stock
0.156 in
0.500 in
600 °F
$0.3168 - $2.0502 Request the lead time here
0.355 in
1.500 in
425 °F
$0.2656 - $1.7189 4680 In stock
0.234 in
0.500 in
600 °F
$0.2747 - $1.7755 5140 In stock
0.250 in
1.000 in
600 °F
$0.3107 - $2.0116 5500 In stock
0.295 in
1.000 in
600 °F
  • of 10
Masking Straight Cap & Plug - 0.5 mm | 0.020 in Cap Inside Diameter, 218.3 °C | 425 °F Temperature, Black Inside Height Black

SC002005B

Price Range
$0.329 - $0.0533

Stock Levels
4500 In stock
Attributes
  • Cap Inside Diameter
    0.020 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Fitting Style
    Push Fit
Masking Straight Cap & Plug - 2.5 mm | 0.100 in Cap Inside Diameter, 315.6 °C | 600 °F Temperature, Natural Inside Height Natural

SC010010A

Price Range
$1.0912 - $0.1766

Stock Levels
1000 In stock
Attributes
  • Cap Inside Diameter
    0.100 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    #4-40
Masking Straight Cap & Plug - 5.9 mm | 0.234 in Cap Inside Diameter, 315.6 °C | 600 °F Temperature, Natural Inside Height Natural

SC023415A

Price Range
$1.9548 - $0.302

Stock Levels
7400 In stock
Attributes
  • Cap Inside Diameter
    0.234 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    1/4-20
Masking Straight Cap & Plug - 5.7 mm | 0.223 in Cap Inside Diameter, 218.3 °C | 425 °F Temperature, Black Inside Height 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
Masking Straight Cap & Plug - 2 mm | 0.080 in Cap Inside Diameter, 315.6 °C | 600 °F Temperature, Natural Inside Height Natural

SC008007A

Price Range
$0.9266 - $0.15

Stock Levels
44000 In stock
Attributes
  • Cap Inside Diameter
    0.080 in
  • Inside Height
    0.750 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    #3-48
Masking Straight Cap & Plug - 7.1 mm | 0.281 in Cap Inside Diameter, 218.3 °C | 425 °F Temperature, Black Inside Height Black

SC028110B

Price Range
$1.2854 - $0.199

Stock Levels
3000 In stock
Attributes
  • Cap Inside Diameter
    0.281 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    5/16-18
Masking Straight Cap & Plug - 7.5 mm | 0.295 in Cap Inside Diameter, 218.3 °C | 425 °F Temperature, Black Inside Height Black

SC029517B

Price Range
$1.901 - $0.294

Stock Levels
3000 In stock
Attributes
  • Cap Inside Diameter
    0.295 in
  • Inside Height
    1.750 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    M8
Masking Straight Cap & Plug - 4.7 mm | 0.187 in Cap Inside Diameter, 315.6 °C | 600 °F Temperature, Natural Inside Height Natural

SC018710A

Price Range
$1.4972 - $0.2419

Stock Levels
13000 In stock
Attributes
  • Cap Inside Diameter
    0.187 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    #12-24,M5
Masking Straight Cap & Plug - 7.9 mm | 0.312 in Cap Inside Diameter, 218.3 °C | 425 °F Temperature, Black Inside Height Black

SC031215B

Price Range
$1.599 - $0.247

Stock Levels
4000 In stock
Attributes
  • Cap Inside Diameter
    0.312 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    3/8-14
Masking Straight Cap & Plug - 7.5 mm | 0.295 in Cap Inside Diameter, 315.6 °C | 600 °F Temperature, Natural Inside Height Natural

SC029517A

Price Range
$2.7137 - $0.4186

Stock Levels
3000 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
Masking Straight Cap & Plug - 9 mm | 0.355 in Cap Inside Diameter, 315.6 °C | 600 °F Temperature, Natural Inside Height Natural

SC035515A

Price Range
$2.929 - $0.4543

Stock Levels
26989 In stock
Attributes
  • Cap Inside Diameter
    0.355 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    3/8-14
Masking Straight Cap & Plug - 1.8 mm | 0.070 in Cap Inside Diameter, 315.6 °C | 600 °F Temperature, Natural Inside Height Natural

SC007010A

Price Range
$0.8878 - $0.1435

Stock Levels
2000 In stock
Attributes
  • Cap Inside Diameter
    0.070 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    #2-56,M2
Masking Straight Cap & Plug - 4.4 mm | 0.172 in Cap Inside Diameter, 218.3 °C | 425 °F Temperature, Black Inside Height 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
Masking Straight Cap & Plug - 2.5 mm | 0.100 in Cap Inside Diameter, 218.3 °C | 425 °F Temperature, Black Inside Height Black

SC010005B

Price Range
$0.568 - $0.092

Stock Levels
14767 In stock
Attributes
  • Cap Inside Diameter
    0.100 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    #4-40
Masking Straight Cap & Plug - 4.4 mm | 0.172 in Cap Inside Diameter, 218.3 °C | 425 °F Temperature, Black Inside Height Black

SC017205B

Price Range
$0.852 - $0.1381

Stock Levels
19624 In stock
Attributes
  • Cap Inside Diameter
    0.172 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    #10-24
Masking Straight Cap & Plug - 4 mm | 0.156 in Cap Inside Diameter, 315.6 °C | 600 °F Temperature, Natural Inside Height Natural

SC015605A

Price Range
$1.1418 - $0.185

Stock Levels
1000 In stock
Attributes
  • Cap Inside Diameter
    0.156 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    #8-32,M4
Masking Straight Cap & Plug - 9 mm | 0.355 in Cap Inside Diameter, 218.3 °C | 425 °F Temperature, Black Inside Height Black

SC035515B

Price Range
$2.0502 - $0.3168

Stock Levels
Request the lead time here
Attributes
  • Cap Inside Diameter
    0.355 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    3/8-14
Masking Straight Cap & Plug - 5.9 mm | 0.234 in Cap Inside Diameter, 315.6 °C | 600 °F Temperature, Natural Inside Height Natural

SC023405A

Price Range
$1.7189 - $0.2656

Stock Levels
4680 In stock
Attributes
  • Cap Inside Diameter
    0.234 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    1/4-20
Masking Straight Cap & Plug - 6.4 mm | 0.250 in Cap Inside Diameter, 315.6 °C | 600 °F Temperature, Natural Inside Height Natural

SC025010A

Price Range
$1.7755 - $0.2747

Stock Levels
5140 In stock
Attributes
  • Cap Inside Diameter
    0.250 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    5/16-18
Masking Straight Cap & Plug - 7.5 mm | 0.295 in Cap Inside Diameter, 315.6 °C | 600 °F Temperature, Natural Inside Height Natural

SC029510A

Price Range
$2.0116 - $0.3107

Stock Levels
5500 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