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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
$0.1154 - $0.3206 2000 In stock
0.093 in
0.750 in
425 °F
$0.1293 - $0.3591 1000 In stock
0.100 in
1.000 in
425 °F
$0.1352 - $0.3758 1000 In stock
0.125 in
1.000 in
425 °F
$0.1446 - $0.4013 2800 In stock
0.148 in
1.000 in
425 °F
$0.3537 - $0.9824 11587 In stock
0.250 in
1.500 in
600 °F
$0.3009 - $0.8357 1750 In stock
0.295 in
0.500 in
600 °F
$0.3762 - $1.0449 7500 In stock
0.295 in
1.500 in
600 °F
$0.3203 - $0.8897 2756 In stock
0.312 in
1.000 in
600 °F
$0.387 - $1.0751 6575 In stock
0.340 in
1.000 in
600 °F
$0.3956 - $1.0989 1000 In stock
0.375 in
1.000 in
600 °F
$0.2633 - $0.7313 1501 In stock
0.295 in
1.500 in
425 °F
$0.2255 - $0.6261 8000 In stock
0.312 in
1.000 in
425 °F
$0.2703 - $0.7506 1000 In stock
0.340 in
1.000 in
425 °F
$0.2765 - $0.7682 7093 In stock
0.375 in
1.000 in
425 °F
$0.1098 - $0.3048 Request the lead time here
0.080 in
0.750 in
425 °F
$0.1293 - $0.3591 188018 In stock
0.109 in
0.750 in
425 °F
$0.1415 - $0.3929 26637 In stock
0.140 in
1.000 in
425 °F
$0.1352 - $0.3758 112300 In stock
0.156 in
0.500 in
425 °F
$0.1446 - $0.4013 12624 In stock
0.172 in
0.500 in
425 °F
$0.1935 - $0.5372 1000 In stock
0.156 in
0.500 in
600 °F
  • of 10
Straight Cap - Cap Inside Diameter - 2.4 mm | 0.093 in ; ; Black

SC009307B

Price Range
$0.3206 - $0.1154

Stock Levels
2000 In stock
Attributes
  • Cap Inside Diameter
    0.093 in
  • Inside Height
    0.750 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    #3-48
Straight Cap - Cap Inside Diameter - 2.5 mm | 0.100 in ; ; Black

SC010010C

Price Range
$0.3591 - $0.1293

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

SC012510C

Price Range
$0.3758 - $0.1352

Stock Levels
1000 In stock
Attributes
  • Cap Inside Diameter
    0.125 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    #6-32
Straight Cap - Cap Inside Diameter - 3.8 mm | 0.148 in ; ; Black

SC014810C

Price Range
$0.4013 - $0.1446

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 - 6.4 mm | 0.250 in ; ; Natural

SC025015A

Price Range
$0.9824 - $0.3537

Stock Levels
11587 In stock
Attributes
  • Cap Inside Diameter
    0.250 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    M8
Straight Cap - Cap Inside Diameter - 7.5 mm | 0.295 in ; ; Natural

SC029505A

Price Range
$0.8357 - $0.3009

Stock Levels
1750 In stock
Attributes
  • Cap Inside Diameter
    0.295 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    M8
Straight Cap - Cap Inside Diameter - 7.5 mm | 0.295 in ; ; Natural

SC029515A

Price Range
$1.0449 - $0.3762

Stock Levels
7500 In stock
Attributes
  • Cap Inside Diameter
    0.295 in
  • Inside Height
    1.500 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    M8
Straight Cap - Cap Inside Diameter - 7.9 mm | 0.312 in ; ; Natural

SC031210A

Price Range
$0.8897 - $0.3203

Stock Levels
2756 In stock
Attributes
  • Cap Inside Diameter
    0.312 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    3/8-14
Straight Cap - Cap Inside Diameter - 8.6 mm | 0.340 in ; ; Natural

SC034010A

Price Range
$1.0751 - $0.387

Stock Levels
6575 In stock
Attributes
  • Cap Inside Diameter
    0.340 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    M10
Straight Cap - Cap Inside Diameter - 9.5 mm | 0.375 in ; ; Natural

SC037510A

Price Range
$1.0989 - $0.3956

Stock Levels
1000 In stock
Attributes
  • Cap Inside Diameter
    0.375 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    600 °F
  • Colour
    Natural
  • Compatible Thread Sizes (All)
    M10
Straight Cap - Cap Inside Diameter - 7.5 mm | 0.295 in ; ; Black

SC029515C

Price Range
$0.7313 - $0.2633

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
$0.6261 - $0.2255

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
$0.7506 - $0.2703

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
$0.7682 - $0.2765

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 - 2 mm | 0.080 in ; ; Black

SC008007B

Price Range
$0.3048 - $0.1098

Stock Levels
Request the lead time here
Attributes
  • Cap Inside Diameter
    0.080 in
  • Inside Height
    0.750 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    #3-48
Straight Cap - Cap Inside Diameter - 2.8 mm | 0.109 in ; ; Black

SC010907C

Price Range
$0.3591 - $0.1293

Stock Levels
188018 In stock
Attributes
  • Cap Inside Diameter
    0.109 in
  • Inside Height
    0.750 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    #5-40,M3
Straight Cap - Cap Inside Diameter - 3.6 mm | 0.140 in ; ; Black

SC014010C

Price Range
$0.3929 - $0.1415

Stock Levels
26637 In stock
Attributes
  • Cap Inside Diameter
    0.140 in
  • Inside Height
    1.000 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    M4,8-32
Straight Cap - Cap Inside Diameter - 4 mm | 0.156 in ; ; Black

SC015605B

Price Range
$0.3758 - $0.1352

Stock Levels
112300 In stock
Attributes
  • Cap Inside Diameter
    0.156 in
  • Inside Height
    0.500 in
  • Maximum Temperature
    425 °F
  • Colour
    Black
  • Compatible Thread Sizes (All)
    #8-32,M4
Straight Cap - Cap Inside Diameter - 4.4 mm | 0.172 in ; ; Black

SC017205B

Price Range
$0.4013 - $0.1446

Stock Levels
12624 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
Straight Cap - Cap Inside Diameter - 4 mm | 0.156 in ; ; Natural

SC015605A

Price Range
$0.5372 - $0.1935

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